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WOLO Horn Relay: 1 in Lg (In.), 1 in Wd (In.) - Horn Accessories
WOLOHorn Accessories

WOLO Horn Relay: 1 in Lg (In.), 1 in Wd (In.)

The WOLO Horn Relay (MPN 400-R) is a black plastic horn accessory measuring 1 in Lg, 1 in Wd, and 2 in Ht. It includes a relay and is designed for use with compatible WOLO horns.

SKU 3G-OTH-497266

Also listed as: 400R · 400 R

Brand
WOLO
Item
Horn Relay: 1 in Lg
Category
Horn Accessories
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

WOLO
Manufacturer Part Number
400-R
Material
Plastic
Color
Black
Ht (In.)
2 in
Includes
Relay
Wd (In.)
1 in
Accessory Type
Horn Relay

Technical Documents

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

Product Description

The WOLO Horn Relay (MPN 400-R) is a black plastic horn accessory measuring 1 in Lg, 1 in Wd, and 2 in Ht. It includes a relay and is designed for use with compatible WOLO horns.

Frequently Asked Questions

What is the WOLO Horn Relay 400-R used for?

The WOLO Horn Relay 400-R is used to control the electrical current to a vehicle's horn, allowing the horn to sound at full power without overloading the horn button or switch. It is designed for use with compatible WOLO horns in automotive, truck, and industrial applications.

What are the specifications of the WOLO Horn Relay 400-R?

The WOLO Horn Relay 400-R is a black plastic accessory measuring 1 in Lg, 1 in Wd, and 2 in Ht. It includes a relay and is designed for use with compatible WOLO horns. The manufacturer part number is 400-R.

Where to buy the WOLO Horn Relay 400-R worldwide?

3G Electric supplies the WOLO Horn Relay 400-R to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and to place an order for this horn relay.

How to install the WOLO Horn Relay 400-R?

To install the WOLO Horn Relay 400-R, mount the relay securely near the horn, connect the coil terminals to the horn switch and ground, and connect the load terminals to the battery and horn. Always disconnect the battery before installation and follow the manufacturer's wiring diagram.

Used in

Common applications for WOLO
Warehouse safety — WOLO 496 personal safety horn used by workers to signal emergencies in noisy storage areas
Construction site — WOLO air horns for equipment warning signals on heavy machinery
Material handling — WOLO backup alarms on forklifts to alert pedestrians in loading docks
Facility maintenance — WOLO electric horns for evacuation alerts in industrial plants
Personal protection — WOLO battery horns for lone workers in remote or confined spaces

WOLO Products

3G Electric supplies WOLO horn accessories. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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