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3G Electric
SQUARE D 8501XO40V02 Surface-Mounted Relay, 4NO, 10 A, 120V AC Coil - Surface-Mounted Relays
SQUARE DSurface-Mounted Relays

SQUARE D 8501XO40V02 Surface-Mounted Relay, 4NO, 10 A, 120V AC Coil

The SQUARE D NEMA Control Relay is a surface-mounted relay with a 4NO, 10 A contact configuration and a 120V AC coil. This relay, model 8501XO40V02, is designed for industrial control applications requiring reliable…

SKU 3G-OTH-35700

Brand
SQUARE D
Item
8501XO40V02 Surface-Mounted Relay, 4NO, 10 A, 120V AC Coil
Part Number
8501XO40V02
Category
Surface-Mounted Relays
Available to Order
Also known as:8501XO40V02SQUARE D
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SQUARE D
Manufacturer Part Number
8501XO40V02
Type
4NO, 10 A
AC Coil Volt
120V

Technical Documents

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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SQUARE D NEMA Control Relay is a surface-mounted relay with a 4NO, 10 A contact configuration and a 120V AC coil. This relay, model 8501XO40V02, is designed for industrial control applications requiring reliable switching.

Frequently Asked Questions

What is the SQUARE D 8501XO40V02 control relay used for?

The SQUARE D 8501XO40V02 is a NEMA control relay used for switching industrial loads in motor control, conveyor systems, and automation panels. Its 4 normally open contacts and 10 A rating suit general-purpose control circuits in manufacturing and process industries.

What are the specifications of the SQUARE D 8501XO40V02 relay?

This SQUARE D NEMA control relay has a 120V AC coil voltage, 4 normally open (4NO) contacts rated at 10 A, and a surface relay mounting style. The manufacturer part number is 8501XO40V02. It is designed for industrial control panel applications.

Where to buy the SQUARE D 8501XO40V02 relay worldwide?

3G Electric supplies the SQUARE D 8501XO40V02 relay worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this part.

How to install a SQUARE D surface-mount control relay?

Mount the SQUARE D 8501XO40V02 relay on a flat surface using the provided slots. Wire the 120V AC coil to the control voltage source and connect load circuits to the 4NO terminals rated at 10 A. Follow standard NEMA wiring practices and verify coil voltage before energizing.

Used in

Common applications for SQUARE D
Commercial electrical panels — QO and QOB miniature circuit breakers for overcurrent protection in load centers and panelboards.
HVACR equipment — 8910 Series Type DPA definite purpose contactors for switching compressor and fan motor loads.
Industrial power distribution — J-Frame molded case circuit breakers for main and feeder protection in switchboards.
Residential ground-fault protection — QO and QOB GFI circuit breakers for kitchens, bathrooms, and outdoor circuits.
Motor control centers — definite purpose contactors for controlling pumps, fans, and other moderate motor loads.
OEM machinery — Square D circuit breakers and contactors for integration into control panels and equipment.
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SQUARE D Products

3G Electric supplies SQUARE D surface-mounted relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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