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

Dayton Open Power Relay: Surface Mounted, 120V AC, SPDT - Surface-Mounted Relays
DaytonSurface-Mounted Relays

Dayton Open Power Relay: Surface Mounted, 120V AC, SPDT

The DAYTON Open Power Relay is a surface-mounted relay from the Dayton Power Series, featuring a 120V AC coil, SPDT contact configuration, and 5 pins/terminals. It utilizes a screw clamp electrical connection and is…

SKU 3G-OTH-37144

Brand
Dayton
Item
Open Power Relay: Surface Mounted, 120V AC, SPDT
Category
Surface-Mounted Relays
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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

Dayton
Series
Dayton Power Series
Mounting Style
Surface
Electrical Connection
Screw Clamp

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

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

Product Description

The DAYTON Open Power Relay is a surface-mounted relay from the Dayton Power Series, featuring a 120V AC coil, SPDT contact configuration, and 5 pins/terminals. It utilizes a screw clamp electrical connection and is identified by manufacturer part number 3G-OTH-37144.

Frequently Asked Questions

What is the DAYTON Open Power Relay used for?

The DAYTON Open Power Relay is used for switching electrical loads in industrial control panels, HVAC systems, and automation equipment. Its SPDT contact configuration and 120V AC coil make it suitable for general-purpose on/off control of motors, pumps, and lighting circuits.

What are the specifications of the DAYTON Open Power Relay 5Z542?

The DAYTON Open Power Relay 5Z542 features a 120V AC coil, SPDT contact arrangement, and 5 pins/terminals with screw clamp electrical connection. It is surface-mounted and part of the Dayton Power Series. These specs ensure reliable switching in industrial environments.

Where to buy the DAYTON Open Power Relay 5Z542 worldwide?

You can source the DAYTON Open Power Relay 5Z542 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the relay reaches your facility efficiently.

How to install the DAYTON Open Power Relay?

Mount the relay on a clean, dry surface using appropriate hardware. Connect wires to the screw clamp terminals per the wiring diagram, ensuring the coil voltage matches your 120V AC supply. Torque screws to manufacturer specifications and verify switching before energizing the circuit.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton Products

3G Electric supplies Dayton surface-mounted relays. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
DAYTON Open Power Relay: Surface Mounted, 24V DC, SPDT, 5 Pins/Terminals (MPN 5Z554)
Dayton
DAYTON Open Power Relay: Surface Mounted, 24V DC, SPDT, 5 Pins/Terminals (MPN 5Z554)
DAYTON Open Power Relay: Surface Mounted, 24V DC, SPST-NO, 4 Pins/Terminals (MPN 5YZ79)
Dayton
DAYTON Open Power Relay: Surface Mounted, 24V DC, SPST-NO, 4 Pins/Terminals (MPN 5YZ79)
DAYTON Open Power Relay: Surface Mounted, 240V AC, SPST-NO, 4 Pins/Terminals (MPN 5X851)
Dayton
DAYTON Open Power Relay: Surface Mounted, 240V AC, SPST-NO, 4 Pins/Terminals (MPN 5X851)
DAYTON Flange Mount Relay: Surface (Side Flange) Mounted, 24V DC, DPDT, 8 Pins/Terminals (MPN 5YR14)
Dayton
DAYTON Flange Mount Relay: Surface (Side Flange) Mounted, 24V DC, DPDT, 8 Pins/Terminals (MPN 5YR14)
DAYTON Flange Mount Relay: Surface (Side Flange) Mounted, 24V DC, SPDT, 5 Pins/Terminals (MPN 5YR12)
Dayton
DAYTON Flange Mount Relay: Surface (Side Flange) Mounted, 24V DC, SPDT, 5 Pins/Terminals (MPN 5YR12)
DAYTON Flange Mount Relay: Surface (Side Flange) Mounted, 24V DC, 3PDT, 11 Pins/Terminals (MPN 5YR10)
Dayton
DAYTON Flange Mount Relay: Surface (Side Flange) Mounted, 24V DC, 3PDT, 11 Pins/Terminals (MPN 5YR10)

More from Dayton

View all Dayton parts
DAYTON Miniature Solid State Relay: Surface Mounted, 6 A Max Output Current, Triac, AC Output (MPN 1EGU3)
Dayton
DAYTON Miniature Solid State Relay: Surface Mounted, 6 A Max Output Current, Triac, AC Output (MPN 1EGU3)
DAYTON Enclosed Power Relay: Surface (Side Flange) Mounted, 24V DC, SPDT, 5 Pins/Terminals (MPN 2A544)
Dayton
DAYTON Enclosed Power Relay: Surface (Side Flange) Mounted, 24V DC, SPDT, 5 Pins/Terminals (MPN 2A544)
DAYTON Single Function Encapsulated Timing Relay: Surface Relay Mounting, 12 to 48V DC/24 to 240V AC (MPN 2A561)
Dayton
DAYTON Single Function Encapsulated Timing Relay: Surface Relay Mounting, 12 to 48V DC/24 to 240V AC (MPN 2A561)
DAYTON Single Function Encapsulated Timing Relay: Surface Relay Mounting, 12 to 48V DC/24 to 240V AC (MPN 2A560)
Dayton
DAYTON Single Function Encapsulated Timing Relay: Surface Relay Mounting, 12 to 48V DC/24 to 240V AC (MPN 2A560)
DAYTON Adjustable Current Sensing Relay: Surface Mounted, 10 A Current Rating, 120V AC, Tab (MPN 6C055)
Dayton
DAYTON Adjustable Current Sensing Relay: Surface Mounted, 10 A Current Rating, 120V AC, Tab (MPN 6C055)
DAYTON Adjustable Current Sensing Relay: Surface Mounted, 10 A Current Rating, 24V AC, Tab (MPN 6C054)
Dayton
DAYTON Adjustable Current Sensing Relay: Surface Mounted, 10 A Current Rating, 24V AC, Tab (MPN 6C054)
DAYTON Single Function Encapsulated Timing Relay: Surface Relay Mounting, 24 to 240V AC (MPN 6A858)
Dayton
DAYTON Single Function Encapsulated Timing Relay: Surface Relay Mounting, 24 to 240V AC (MPN 6A858)
DAYTON Adjustable Current Sensing Relay: Surface Mounted, 10 A Current Rating, 240V AC, Tab (MPN 15V828)
Dayton
DAYTON Adjustable Current Sensing Relay: Surface Mounted, 10 A Current Rating, 240V AC, Tab (MPN 15V828)