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SQUARE D NEMA Control Relay: Surface Relay Mounting, 24V DC Coil Volt, 4NO - Surface-Mounted Relays
SQUARE DSurface-Mounted Relays

SQUARE D NEMA Control Relay: Surface Relay Mounting, 24V DC Coil Volt, 4NO

SKU 3G-OTH-35626

Brand
SQUARE D
Item
NEMA Control Relay: Surface Relay Mounting, 24V DC Coil Volt, 4NO
Category
Surface-Mounted Relays
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Technical Specifications

SQUARE D
Manufacturer Part Number
8501XDO40V53
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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a SQUARE D NEMA control relay used for?

A SQUARE D NEMA control relay is used in industrial automation and motor control circuits to switch loads on and off. It is commonly applied in manufacturing, HVAC, and material handling systems where reliable, surface-mounted relay control is required.

What are the specifications of the SQUARE D 8501XDO40V53 relay?

The SQUARE D 8501XDO40V53 is a NEMA control relay with surface relay mounting, 24 VDC coil voltage, 4 normally open (4NO) contacts, and a 10 A rating. It is designed for industrial control panels and machinery.

Where to buy SQUARE D 8501XDO40V53 worldwide?

3G Electric supplies the SQUARE D 8501XDO40V53 NEMA control relay to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this relay.

How to install a SQUARE D surface-mounted relay?

Mount the relay securely on a flat surface using the provided holes. Wire the coil to 24 VDC and connect the 4NO contacts per your control schematic. Ensure all connections are torqued to manufacturer specs and test operation before energizing the system.

Used in

Common applications for SQUARE D
Commercial building electrical panels — Square D QO series plug-in circuit breakers for branch circuit protection
Industrial motor control centers — Square D QOB series bolt-on breakers in NQOD panelboards
Heating equipment installations — Square D QOU series unit-mount breakers for overcurrent protection
Outdoor electrical distribution — Square D L-Frame enclosures housing LAL/LHL breakers for 400 A service
Indoor facility power distribution — Square D Q-Frame enclosures with QBL/QDL breakers for 225 A circuits
Retrofit and replacement in existing Square D load centers — QO series breakers for 120/240V AC systems

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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