Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

HUBBELL WIRING DEVICE-KELLEMS Control Unit: CU300, Fluorescent/Incandescent, Hard Wired - Power & Relay Control Units
HUBBELL WIRING DEVICE-KELLEMSPower & Relay Control Units

HUBBELL WIRING DEVICE-KELLEMS Control Unit: CU300, Fluorescent/Incandescent, Hard Wired

The HUBBELL WIRING DEVICE-KELLEMS Control Unit: CU300 is a hard-wired power and relay control unit for incandescent lighting. It operates on an input voltage of 120/277V AC and provides a 24V DC output. This unit is…

SKU 3G-OTH-385458

Brand
HUBBELL WIRING DEVICE-KELLEMS
Item
Control Unit: CU300, Fluorescent/Incandescent, Hard Wired
Category
Power & Relay Control Units
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

HUBBELL WIRING DEVICE-KELLEMS
Manufacturer Part Number
CU300A
Type
Fluorescent/Incandescent, Hard Wired
AC
120/277V
Input Voltage
120/277V AC
Output Voltage
24V DC
Lighting Technology
Incandescent
Communication Method
Hard Wired
Compatible with Series
CU300
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

HUBBELL WIRING DEVICE-KELLEMS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HUBBELL WIRING DEVICE-KELLEMS Control Unit: CU300 is a hard-wired power and relay control unit for incandescent lighting. It operates on an input voltage of 120/277V AC and provides a 24V DC output. This unit is compatible with the CU300 series and carries the manufacturer part number CU300A.

Frequently Asked Questions

What is the HUBBELL WIRING DEVICE-KELLEMS CU300 control unit used for?

The CU300 is a hard-wired power and relay control unit designed for incandescent lighting applications. It converts 120/277V AC input to 24V DC output, making it suitable for commercial or industrial lighting control systems where reliable relay switching is required.

What are the specifications of the HUBBELL WIRING DEVICE-KELLEMS CU300A?

The CU300A operates on 120/277V AC input and provides 24V DC output. It is a hard-wired unit compatible with the CU300 series, supports incandescent lighting technology, and uses the manufacturer part number CU300A. It is a power and relay control unit from HUBBELL WIRING DEVICE-KELLEMS.

Where to buy the HUBBELL WIRING DEVICE-KELLEMS CU300A in worldwide?

3G Electric supplies the HUBBELL WIRING DEVICE-KELLEMS CU300A control unit worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this hard-wired relay control unit.

How to install the HUBBELL WIRING DEVICE-KELLEMS CU300 control unit?

Installation requires hard-wiring the CU300 to a 120/277V AC power source and connecting the 24V DC output to the lighting load. Follow the manufacturer's wiring diagram and ensure the unit is mounted in a suitable enclosure. Always disconnect power before installation and consult a qualified electrician.

Used in

Common applications for HUBBELL WIRING DEVICE-KELLEMS
Manufacturing plant maintenance — Hubbell Wiring Device-Kellems self-retracting cord reels (HBLI45123GF20) for power tool access
Commercial office flooring — Hubbell Wiring Device-Kellems brass floor box covers (S1CFCBRS) for underfloor power and data outlets
Outdoor lighting control — Hubbell Wiring Device-Kellems weatherproof covers (WP2) for exterior switch and receptacle enclosures
Warehouse lighting systems — Hubbell Wiring Device-Kellems fluorescent lamp starters (FS4) for 40W fixture replacement
Facility energy management — Hubbell Wiring Device-Kellems countdown timers (DT5060W) for automated lighting shutoff in restrooms or storage areas
Industrial hardwired installations — Hubbell Wiring Device-Kellems cord reels (HBLW75104W) for fixed equipment with bare-wire connections

HUBBELL WIRING DEVICE-KELLEMS Products

3G Electric supplies HUBBELL WIRING DEVICE-KELLEMS power & relay control units. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
HUBBELL WIRING DEVICE-KELLEMS Occupancy Sensor: LED, Ultrasonic, 120 to 277V AC, Occupancy, Ceiling (MPN ATU2000CL). Key specifications — attr992857: Hard Wired; attr992879: 120 to 277V AC; attr992891: HUBBELL WIRING DEVICE-KELLEMS; attr992868: 1,800W (Incandescent); attr1024350: Hubbell.
HUBBELL WIRING DEVICE-KELLEMS
HUBBELL WIRING DEVICE-KELLEMS Occupancy Sensor: LED, Ultrasonic, 120 to 277V AC, Occupancy, Ceiling (MPN ATU2000CL). Key specifications — attr992857: Hard Wired; attr992879: 120 to 277V AC; attr992891: HUBBELL WIRING DEVICE-KELLEMS; attr992868: 1,800W (Incandescent); attr1024350: Hubbell.
HUBBELL WIRING DEVICE-KELLEMS Power Distribution Box: Three Phase, 125/250V AC, 7 Outlets (MPN SCSB0M2). Key specifications — Inlet Voltage Rating: 125/250V AC; Inlet Receptacle: Pin and Sleeve 60A @120/208V AC; Brand: HUBBELL WIRING DEVICE-KELLEMS.
HUBBELL WIRING DEVICE-KELLEMS
HUBBELL WIRING DEVICE-KELLEMS Power Distribution Box: Three Phase, 125/250V AC, 7 Outlets (MPN SCSB0M2). Key specifications — Inlet Voltage Rating: 125/250V AC; Inlet Receptacle: Pin and Sleeve 60A @120/208V AC; Brand: HUBBELL WIRING DEVICE-KELLEMS.
HUBBELL WIRING DEVICE-KELLEMS Power Distribution Box: Three Phase, 120/208V AC, 7 Outlets (MPN SCSB0). Key specifications — Inlet Voltage Rating: 120/208V AC; Inlet Receptacle: Pin and Sleeve 60A @120/208V AC; Brand: HUBBELL WIRING DEVICE-KELLEMS.
HUBBELL WIRING DEVICE-KELLEMS
HUBBELL WIRING DEVICE-KELLEMS Power Distribution Box: Three Phase, 120/208V AC, 7 Outlets (MPN SCSB0). Key specifications — Inlet Voltage Rating: 120/208V AC; Inlet Receptacle: Pin and Sleeve 60A @120/208V AC; Brand: HUBBELL WIRING DEVICE-KELLEMS.
HUBBELL WIRING DEVICE-KELLEMS Low Voltage Wall Switch: 1 Buttons, 24V DC, Hard Wired, White (MPN DSM30W1). Key specifications — attr993567: Hard Wired; attr993594: Yes; attr993598: 24V DC; attr993610: HUBBELL WIRING DEVICE-KELLEMS.
HUBBELL WIRING DEVICE-KELLEMS
HUBBELL WIRING DEVICE-KELLEMS Low Voltage Wall Switch: 1 Buttons, 24V DC, Hard Wired, White (MPN DSM30W1). Key specifications — attr993567: Hard Wired; attr993594: Yes; attr993598: 24V DC; attr993610: HUBBELL WIRING DEVICE-KELLEMS.
HUBBELL WIRING DEVICE-KELLEMS High Bay Occupancy Sensor: LED, Passive Infrared (PIR), 120 to 347V AC (MPN HBSXT13). Key specifications — Communication Method: Hard Wired; Operating Voltage: 120 to 347V AC; Brand: HUBBELL WIRING DEVICE-KELLEMS; Load Rating @ 120V AC: 800W (Incandescent); Sensor Brand: Hubbell.
HUBBELL WIRING DEVICE-KELLEMS
HUBBELL WIRING DEVICE-KELLEMS High Bay Occupancy Sensor: LED, Passive Infrared (PIR), 120 to 347V AC (MPN HBSXT13). Key specifications — Communication Method: Hard Wired; Operating Voltage: 120 to 347V AC; Brand: HUBBELL WIRING DEVICE-KELLEMS; Load Rating @ 120V AC: 800W (Incandescent); Sensor Brand: Hubbell.
HUBBELL WIRING DEVICE-KELLEMS Occupancy Sensor: Incandescent, Passive Infrared (PIR), 120 to 277V AC (MPN ATD2000CL). Key specifications — attr992857: Hard Wired; attr992879: 120 to 277V AC; attr992891: HUBBELL WIRING DEVICE-KELLEMS; attr992868: 1,800W (Incandescent); attr1024350: Hubbell.
HUBBELL WIRING DEVICE-KELLEMS
HUBBELL WIRING DEVICE-KELLEMS Occupancy Sensor: Incandescent, Passive Infrared (PIR), 120 to 277V AC (MPN ATD2000CL). Key specifications — attr992857: Hard Wired; attr992879: 120 to 277V AC; attr992891: HUBBELL WIRING DEVICE-KELLEMS; attr992868: 1,800W (Incandescent); attr1024350: Hubbell.

More from HUBBELL WIRING DEVICE-KELLEMS

View all HUBBELL WIRING DEVICE-KELLEMS parts
HUBBELL WIRING DEVICE-KELLEMS Control Unit: CU300, Fluorescent/Incandescent, Hard Wired, 24V DC (MPN CU300M). Key specifications — Manufacturer Part Number: CU300M; Communication Method: Hard Wired; Compatible with Series: CU300; Input Voltage: 120 to 277V AC; Lighting Technology: Fluorescent; Output Voltage: 24V DC; Brand: HUBBELL WIRING DEVICE-KELLEMS.
HUBBELL WIRING DEVICE-KELLEMS
HUBBELL WIRING DEVICE-KELLEMS Control Unit: CU300, Fluorescent/Incandescent, Hard Wired, 24V DC (MPN CU300M). Key specifications — Manufacturer Part Number: CU300M; Communication Method: Hard Wired; Compatible with Series: CU300; Input Voltage: 120 to 277V AC; Lighting Technology: Fluorescent; Output Voltage: 24V DC; Brand: HUBBELL WIRING DEVICE-KELLEMS.
HUBBELL WIRING DEVICE-KELLEMS Control Unit: CU300, Fluorescent/Incandescent/LED, Hard Wired, 24V DC (MPN CU300HD). Key specifications — Manufacturer Part Number: CU300HD; Communication Method: Hard Wired; Compatible with Series: CU300; Input Voltage: 120 to 277V AC; Lighting Technology: Incandescent; Output Voltage: 24V DC; Brand: HUBBELL WIRING DEVICE-KELLEMS.
HUBBELL WIRING DEVICE-KELLEMS
HUBBELL WIRING DEVICE-KELLEMS Control Unit: CU300, Fluorescent/Incandescent/LED, Hard Wired, 24V DC (MPN CU300HD). Key specifications — Manufacturer Part Number: CU300HD; Communication Method: Hard Wired; Compatible with Series: CU300; Input Voltage: 120 to 277V AC; Lighting Technology: Incandescent; Output Voltage: 24V DC; Brand: HUBBELL WIRING DEVICE-KELLEMS.
HUBBELL WIRING DEVICE-KELLEMS
HUBBELL WIRING DEVICE-KELLEMS
HUBBELL WIRING DEVICE-KELLEMS Auxiliary Relay: Hubbell CU, Fluorescent/Incandescent, Hard Wired, AAR. Key specifications — Manufacturer Part Number: AAR; Communication Method: Hard Wired; Compatible with Series: Hubbell CU; Input Voltage: 24V DC; Lighting Technology: Incandescent; Output Voltage: 24V DC; Brand: HUBBELL WIRING DEVICE-KELLEMS.