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<p>Cummins RS40 - 40kW Quiet Connect Series 277/480V Three Phase Liquid Cooled Standby Generator - A051Y424
The Cummins RS40 Quiet Connect Series Standby Generator delivers powerful 40kW of backup power in a 277/480V three phase configuration, engineered to keep your commercial facility operational when the grid fails. This commercial-grade generator protects critical operations, business continuity, and revenue streams during utility outages. With advanced Quiet Connect technology, the RS40 operates at remarkably low noise levels, ensuring minimal disruption to your business environment or neighborhood. Built on Cummins' legendary reliability with liquid-cooled performance, this generator operates flawlessly in extreme environmental conditions from scorching heat to arctic cold down to -40°F, ensuring your business stays operational when customers need you most.

Key Features

• 40kW standby power output provides substantial commercial backup capacity for demanding business operations
• 277/480V three phase system delivers efficient, balanced power distribution for commercial electrical systems
• Dual fuel capability (Natural Gas/LP) field-selectable at installation for maximum operational flexibility and fuel security
• Liquid-cooled 2.4L Inline 4-Cylinder Cummins running at 1800 RPM ensures exceptional longevity and performance under sustained loads
• Quiet Connect technology with advanced sound-dampening enclosure minimizes operational noise
• PowerCommand 1.1 with Self-Diagnostics with industry-leading self-diagnostics and optional remote monitoring capabilities
• Extreme cold weather capability with reliable starting down to -40°F when properly equipped with optional accessories
• Flexible exercise mode allows customizable testing schedules as infrequent as 2 minutes every 6 months, reducing fuel consumption and emissions
• Commercial-grade performance handles substantial electrical loads including HVAC, lighting, and machinery
• Durable powder-coated aluminum enclosure withstands wind loads up to 180 MPH per ASCE 7-10 standards
• Professional enclosure design suitable for commercial facility installations

Specifications

MPN
A051Y424

Vendor
Cummins

Model
RS40

Power Output
40kW Standby

Voltage
277/480V

Phase Type
Three-Phase

Fuel Type
Natural Gas / LP (Dual Fuel, Field Selectable)

Engine
2.4L Inline 4-Cylinder Cummins

Cooling Type
Liquid-Cooled

RPM
1800

Alternator
60 Hz, 3 Phase, 12 Lead

Control System
PowerCommand 1.1 with Self-Diagnostics

Sound Level
65-70 dBA @ 23 ft (Sound Level 1 Enclosure)

Voltage Regulation
±1%

Frequency Regulation
±0.25%

Cold Weather Start
-40°F (with optional accessories)

Wind Load Rating
180 MPH (ASCE 7-10)

Enclosure Type
Advanced Aluminum with Powder Coat Finish

Application
Commercial &amp; Light Industrial Backup Power

Installation &amp; Application
The Cummins RS40 277/480V Three-Phase Liquid Cooled Standby Generator is engineered for commercial facilities that demand reliable, high-capacity three-phase backup power. With its 40kW capacity, the RS40 handles significant commercial electrical loads including HVAC systems, lighting, refrigeration, security systems, servers, and essential business machinery during extended utility outages. The liquid-cooled design maintains peak performance even under maximum sustained loads, while the PowerCommand 1.1 with Self-Diagnostics provides automatic monitoring, self-diagnostics, and seamless transfer switching for worry-free operation. The dual fuel capability provides strategic flexibility based on your fuel infrastructure and availability. Professional installation by a certified commercial electrician ensures proper three-phase load balancing, safety compliance with local codes, and NFPA 110 capability when equipped with appropriate accessories.

Warranty &amp; Compliance

• Backed by Cummins' comprehensive 2-year or 400-hour limited warranty (whichever comes first) with extended warranty options available up to 10 years
• EPA emissions certifi
MPN: A051Y424
Model: RS40
Vendor: Cummins
Source: Shopify live catalog 2026-09-09; product 7385489997958; variant 41762996781190
Tags: b01-high-ticket-generators-competitor-cost-leadtime, Commercial Standby, CONNECT SERIES LIQUID COOLED, Free-Shipping, riven-control-top1000, riven-revenue-engine, segment-generators, Standby Generators, wholesale</p>

<p>Model No. 435 Product Warranty 12 Years Power Tolerance 0 ~ +1 % Maximum Power (Pmax) 435 Wp Voltage at Maximum Power (Vmpp) 40.8 V Current at Maximum Power (Impp) 10.67 A Open Circuit Voltage (Voc) 48.9 V Short Circuit Current (Isc) 11.29 A Panel Efficiency 20 % Maximum Power (Pmax) 329 Wp Voltage at Maximum Power (Vmpp) 38.5 V Current at Maximum Power (Impp) 8.55 A Open Circuit Voltage (Voc) 46.2 V Short Circuit Current (Isc) 9.05 A Temperature 41±3 °C Operating Temperature Range -40 - 85 °C Temperature Coefficient of Pmax -0.34 %/°C Temperature Coefficient of Voc -0.25 %/°C Temperature Coefficient of Isc 0.04 %/°C Maximum System Voltage 1500 V Series Fuse Rating 20 A Panel Dimension (H/W/D) 2095x1039x30 mm Weight 28.5 kg Cell Number 144 Glass Type Anti-reflection Coating Glass Thickness 2 mm Encapsulant Type EVA Frame Type Anodized Aluminium Junction Box Protection Class IP 68 Connector Type MC4 Cable Crossection 4 mm2 Cable Length 350 mm Download Manufacturer's PDF Datasheet

Technology: Bifacial

Power Range: 430 ~ 450 Wp

Panel Efficiency: 19.7 ~ 20.6 %

Weight: 28.5 kg

Seller Name: Jiangsu VDS Renewable Technology Co., Ltd.

Country: China
Manufacturer: ENF Solar
Vendor: VDS Renewable
Source: Shopify live catalog 2026-09-09; product 7546331988102; variant 43133785014406
Tags: Solar Panels</p>

<p>Type Monocrystalline Model No. 310 Power Tolerance -3 ~ +3 % Maximum Power (Pmax) 310 Wp Voltage at Maximum Power (Vmpp) 36.6 V Current at Maximum Power (Impp) 8.47 A Open Circuit Voltage (Voc) 44.3 V Short Circuit Current (Isc) 9.15 A Panel Efficiency 16 % Panel Dimension (H/W/D) 1956x992x40 mm Weight 20 kg Cell Number 72 Glass Type Tempered Glass Thickness 3.2 mm Frame Type Aluminium Junction Box Diodes 3 Junction Box Protection Class IP 68 Connector Type MC4 Cable Crossection 4 mm2 Download Manufacturer's PDF Datasheet

Power Range: 310 ~ 340 Wp

Panel Efficiency: 16 ~ 17.6 %

Weight: 20 kg

Seller Name: Shanghai LinkSol New Energy Co., Ltd

Country: China
Manufacturer: ENF Solar
Vendor: LinkSol
Source: Shopify live catalog 2026-09-09; product 7546332479622; variant 43133785604230
Tags: Solar Panels</p>

<p>Sunwe SW590M12This Sunwe product is supplied by PES Supply for commercial, industrial, residential energy, or electrical applications as applicable. Confirm final configuration and compatibility before ordering.

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Manufacturer: Sunwe
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Model: SW590M12
Ordering and fulfillmentPrice, stock, freight, lead time, warranty eligibility, and delivery requirements can vary by configuration and destination. PES Supply will confirm these details before fulfillment.
Manufacturer: PES Supply
MPN: SW590M12
Vendor: Sunwe
Source: Shopify live catalog 2026-09-09; product 7557266669702; variant 43554044903558
Tags: Solar Equipment, zero-price-fix</p>

<p>BlueHorizon 455W Bifacial N-Type ModuleThis Portlandia Electric Supply product is supplied by PES Supply for commercial, industrial, residential energy, or electrical applications as applicable. Confirm final configuration and compatibility before ordering.

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Manufacturer: Portlandia Electric Supply
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Model: 455W
Ordering and fulfillmentPrice, stock, freight, lead time, warranty eligibility, and delivery requirements can vary by configuration and destination. PES Supply will confirm these details before fulfillment.
Manufacturer: Portlandia Electric Supply
Vendor: BlueHorizon
Source: Shopify live catalog 2026-09-09; product 7558471712902; variant 43632157851782
Tags: size:400-459w-panels</p>

<p>BlueHorizon 130W Shingled Cell ModuleThis Portlandia Electric Supply product is supplied by PES Supply for commercial, industrial, residential energy, or electrical applications as applicable. Confirm final configuration and compatibility before ordering.

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Manufacturer: Portlandia Electric Supply
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Model: 130W
Ordering and fulfillmentPrice, stock, freight, lead time, warranty eligibility, and delivery requirements can vary by configuration and destination. PES Supply will confirm these details before fulfillment.
Manufacturer: Portlandia Electric Supply
Vendor: BlueHorizon
Source: Shopify live catalog 2026-09-09; product 7558472859782; variant 43632183902342</p>

<p>Hanersun Technology HN21N-60H620W
Brand: PES Supply

Category: Solar Equipment

Price: $99.99

Product Specifications
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Wattage: 620W

Purchase Hanersun Technology HN21N-60H620W from Portlandia Electric Supply, your authorized dealer. We offer competitive pricing, fast shipping, and expert support.
Manufacturer: PES Supply
MPN: HN21N-60H620W
Vendor: HanerSun
Source: Shopify live catalog 2026-09-09; product 7556028596358; variant 43537714610310
Tags: 620W, size:550-709w-panels, Solar Equipment, zero-price-fix</p>

<p>BlueHorizon 150W TOPCon Solar ModuleThis Portlandia Electric Supply product is supplied by PES Supply for commercial, industrial, residential energy, or electrical applications as applicable. Confirm final configuration and compatibility before ordering.

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Manufacturer: Portlandia Electric Supply
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Model: 150W
Ordering and fulfillmentPrice, stock, freight, lead time, warranty eligibility, and delivery requirements can vary by configuration and destination. PES Supply will confirm these details before fulfillment.
Manufacturer: Portlandia Electric Supply
Vendor: BlueHorizon
Source: Shopify live catalog 2026-09-09; product 7558472892550; variant 43632183935110</p>

<p>MidNite Solar DUMMY Display for Classic Controllers
The MidNite Solar MNGP is a versatile and feature-rich graphics display that enhances the functionality of Classic Controllers. Designed with user-friendly navigation, it provides clear visuals and comprehensive controls, ensuring ease of use and optimal performance for solar, wind, and hydro power solutions. This display unit is engineered to support various modes, offering enhanced energy management possibilities.

Product Features

Multiple Voltage Input Options
The MidNite Solar MNGP accommodates 150, 200, and 250VDC input, providing flexibility for different power setups and enhancing compatibility with a variety of systems.

Advanced MPPT Modes
Equipped with Solar, Wind, and Hydro MPPT modes, the MNGP optimizes power output, allowing up to 250% more energy generation from turbines and other renewable sources.

User-Friendly Learning Mode
Includes a user-programmable learning mode for diverse battery charging scenarios, making it adaptable to numerous renewable energy systems.

Enhanced Connectivity and Monitoring
The MNGP features an Ethernet jack and Wi-Fi capability, enabling secure, remote data monitoring and control, ensuring users stay informed and in control.

Built-in Safety and Convenience Features
Includes a built-in arc fault detector and DC-GFP, improving safety and reducing risks, while the intuitive graphics display offers oscilloscope functionality for precise monitoring.

How It Works
Integrating seamlessly with Classic Controllers, the MidNite Solar MNGP functions as a comprehensive management interface. It ensures optimized power control, enhanced safety, and user-friendly operation, catering to both novice and experienced users.

Intuitive Graphics Display
The removable and relocatable graphics display serves as the primary interface, offering easy access to control settings and system monitoring features.

Secure Data Handling
The system's 32 MB onboard storage supports data logging, while firmware updates are streamlined via the USB port, ensuring peak performance and security.

Global Compatibility
By automatically detecting sunup and sundown anywhere, the MNGP enhances energy management regardless of geographic location.

Specifications

Operating Volts In
150VDC / 200VDC / 250VDC

Maximum HyperVOC
150+battery / 200+battery / 250+battery

Battery Charge Voltage
12-93V / Up to 120V for Classic250KS

Maximum Current Output
96 amps / 79 amps / 63 amps / 40 amps

Dimensions (Classic)
14.87" x 5.95" x 4.00"

Dimensions Boxed
19.0" x 8.5" x 5.7"

Operating Environment
-40 - 40C

Storage Capacity
32 MB onboard

Connectivity
Ethernet, USB, Wi-Fi

Auxiliary Outputs
1 dry contact relay, 1 12V output/input
MPN: MNGP
Vendor: MidNite Solar
Source: Shopify live catalog 2026-09-09; product 7385215500422; variant 41761997357190
Tags: 10, backorder-available, Charge Controllers Accessories, Electrical Components, Inverters Accessories, MidNite Solar, out-of-stock, Parts &amp; Accessories</p>

<p>BlueHorizon 290W Half-Cut Cell PanelThis Portlandia Electric Supply product is supplied by PES Supply for commercial, industrial, residential energy, or electrical applications as applicable. Confirm final configuration and compatibility before ordering.

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Manufacturer: Portlandia Electric Supply
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Model: 290W
Ordering and fulfillmentPrice, stock, freight, lead time, warranty eligibility, and delivery requirements can vary by configuration and destination. PES Supply will confirm these details before fulfillment.
Manufacturer: Portlandia Electric Supply
Vendor: BlueHorizon
Source: Shopify live catalog 2026-09-09; product 7558476234886; variant 43632255795334</p>

<p>BlueHorizon 615W Half-Cut Cell PanelThis Portlandia Electric Supply product is supplied by PES Supply for commercial, industrial, residential energy, or electrical applications as applicable. Confirm final configuration and compatibility before ordering.

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Manufacturer: Portlandia Electric Supply
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Model: 615W
Ordering and fulfillmentPrice, stock, freight, lead time, warranty eligibility, and delivery requirements can vary by configuration and destination. PES Supply will confirm these details before fulfillment.
Manufacturer: Portlandia Electric Supply
Vendor: BlueHorizon
Source: Shopify live catalog 2026-09-09; product 7558478299270; variant 43632295182470
Tags: size:550-709w-panels</p>

<p>BlueHorizon 400W Half-Cut Cell PanelThis Portlandia Electric Supply product is supplied by PES Supply for commercial, industrial, residential energy, or electrical applications as applicable. Confirm final configuration and compatibility before ordering.

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Manufacturer: Portlandia Electric Supply
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Model: 400W
Ordering and fulfillmentPrice, stock, freight, lead time, warranty eligibility, and delivery requirements can vary by configuration and destination. PES Supply will confirm these details before fulfillment.
Manufacturer: Portlandia Electric Supply
Vendor: BlueHorizon
Source: Shopify live catalog 2026-09-09; product 7558482198662; variant 43632380051590
Tags: size:400-459w-panels</p>

<p>NeoVolta NVPlus16 16kWh LiFePO4 Battery
The neovolta is engineered for professional solar and electrical installations. Rated at 16kwhW. Priced below competitor at $4396.00.

Key Specifications
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Manufacturer: neovolta
•
Category: Batteries
•
Wattage: 16kwhW
•
Price: $4396.00
•
Availability: In stock — same-day shipping

Order from PES Supply — your source for Tier 1 solar equipment, EOL upgrades, and electrical components. Same-day shipping by 2 PM ET. BABA compliant. Wholesale and installer pricing available.
MPN: NVPlus16-16kWh
Vendor: NeoVolta
Source: Shopify live catalog 2026-09-09; product 7664380477574; variant 44188559802502
Tags: competitor-match, gap-product, hazmat, P2</p>

<p>Type Monocrystalline Model No. SKT435M10-108D5 Product Warranty 15 Years Power Warranty 30 Years of 88 % Total Degradation Rate ⏳ 0.4 % Power Tolerance 0 ~ +1 % Maximum Power (Pmax) 435 Wp Voltage at Maximum Power (Vmpp) 34.86 V Current at Maximum Power (Impp) 12.48 A Open Circuit Voltage (Voc) 41.64 V Short Circuit Current (Isc) 13 A Panel Efficiency 22.28 % Operating Temperature Range -45 - +85 °C Temperature Coefficient of Pmax -0.350 %/°C Temperature Coefficient of Voc -0.275 %/°C Temperature Coefficient of Isc +0.045 %/°C Maximum System Voltage 1500 V Series Fuse Rating 30 A Panel Dimension (H/W/D) 1722x1134x30 mm Weight 23.4 kg Cell Size 182×182 mm Cell Number 108 Glass Type Anti-reflection Coating Glass Thickness 2 mm Frame Type Anodized Aluminium Junction Box Protection Class IP 68 Connector Type MC4 Cable Crossection 4 mm2 Cable Length 1200 mm Download Manufacturer's PDF Datasheet
Technology: HJT
Power Range: 430 ~ 450 Wp
Panel Efficiency: 22.02 ~ 23.04 %
Weight: 23.4 kg
Seller Name: Wuxi Sunket New Energy Technology Co., Ltd.
Country: China
Manufacturer: PES Global
MPN: SKT435M10-108D5
Vendor: Sunket New Energy
Source: Shopify live catalog 2026-09-09; product 7556659380358; variant 43545002868870
Tags: Status:active</p>

<p>SunModo TopTile Spacer 1” Silver TOPTILE-SPACE-S
Available at PES Supply with competitive pricing and fast shipping.
MPN: TOPTILE-SPACE-S
Vendor: SunModo
Source: Shopify live catalog 2026-09-09; product 7664008233094; variant 44187637448838
Tags: Solar Equipments, US Solar Supplier</p>

<p>Emrys Solar ES430M54-HJT
Brand: PES Global

Category: Solar Panels

Price: $75.08

Product Specifications

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Cell Type: Monocrystalline

Purchase Emrys Solar ES430M54-HJT from Portlandia Electric Supply, your authorized dealer. We offer competitive pricing, fast shipping, and expert support. Ideal for residential, commercial, and off-grid solar installations. Contact us for bulk pricing and project quotes.
Manufacturer: PES Global
MPN: ES430M54-HJT
Vendor: Emrys Solar
Source: Shopify live catalog 2026-09-09; product 7557198381190; variant 43552980009094
Tags: Monocrystalline, PES Global, Photovoltaic, PV, Renewable Energy, Solar, Solar Panels</p>

<p>SnapNrack Array Edge Screen 6" Black (100') 232-04077
Available at PES Supply with competitive pricing and fast shipping.
MPN: 232-04077
Vendor: SnapNRack
Source: Shopify live catalog 2026-09-09; product 7664008757382; variant 44187637973126
Tags: Racking, US Solar Supplier</p>

<p>Type Monocrystalline Model No. RL190HM Power Tolerance 0 ~ +3 % Maximum Power (Pmax) 190 Wp Voltage at Maximum Power (Vmpp) 18.36 V Current at Maximum Power (Impp) 10.349 A Open Circuit Voltage (Voc) 22.6 V Short Circuit Current (Isc) 11.208 A Panel Efficiency 18.88 % Operating Temperature Range -40 - 85 °C Maximum System Voltage 1000 V Series Fuse Rating 15 A Panel Dimension (H/W/D) 1480x680x35 mm Cell Size 156.75×156.75 mm Cell Number 36 Download Manufacturer's PDF Datasheet

Power Range: 150 ~ 190 Wp

Panel Efficiency: 14.91 ~ 18.88 %

Seller Name: Ningbo Rarlon Photovoltaic Technology Co., Ltd.

Country: China
Manufacturer: ENF Solar
MPN: RL190HM
Vendor: Rarlon PV Tech
Source: Shopify live catalog 2026-09-09; product 7546367312006; variant 43133822894214
Tags: Solar Panels</p>

<p>Emrys Solar ES445M54-HJT
Brand: PES Global

Category: Solar Panels

Price: $77.70

Product Specifications

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Cell Type: Monocrystalline

Purchase Emrys Solar ES445M54-HJT from Portlandia Electric Supply, your authorized dealer. We offer competitive pricing, fast shipping, and expert support. Ideal for residential, commercial, and off-grid solar installations. Contact us for bulk pricing and project quotes.
Manufacturer: PES Global
MPN: ES445M54-HJT
Vendor: Emrys Solar
Source: Shopify live catalog 2026-09-09; product 7557198446726; variant 43552983220358
Tags: Monocrystalline, PES Global, Photovoltaic, PV, Renewable Energy, Solar, Solar Panels</p>

<p>Access Solar ASL-S10012
Brand: PES Supply

Category: Solar Equipment

Price: $375.0

Purchase Access Solar ASL-S10012 from Portlandia Electric Supply, your authorized dealer. We offer competitive pricing, fast shipping, and expert support.
Manufacturer: PES Supply
MPN: ASL-S10012
Model: S10012
Vendor: Access Solar
Source: Shopify live catalog 2026-09-09; product 7556681597062; variant 43545350570118
Tags: Solar Equipment, zero-price-fix</p>

<p>Eternal Energy Black Jade 193
Brand: PES Global

Category: Solar Panels

Price: $33.70

Product Specifications

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Cell Type: Monocrystalline

Purchase Eternal Energy Black Jade 193 from Portlandia Electric Supply, your authorized dealer. We offer competitive pricing, fast shipping, and expert support. Ideal for residential, commercial, and off-grid solar installations. Contact us for bulk pricing and project quotes.
Manufacturer: PES Global
Vendor: Eternal Energy Black Jade
Source: Shopify live catalog 2026-09-09; product 7557198708870; variant 43552989708422
Tags: Monocrystalline, PES Global, Photovoltaic, PV, Renewable Energy, Solar, Solar Panels</p>