JLG 12V 40A Relay 3740049 – High-Current Electrical Switch for 460SJ, 600S Boom Lifts | RQ Parts

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12V 40A Relay 3740049 – Optimized Product Page Content

RQ Parts - JLG 12V 40A Relay 3740049 High-Current Electrical Switch for 460SJ 600S Boom Lift

🔹 Product Overview

The 12V 40A Relay with part number 3740049 is a standard, high-amperage electrical switching component widely integrated into the control and power distribution systems of numerous JLG Boom Lifts. This high-capacity relay is rated to handle up to 40 Amps (40A), making it ideal for controlling heavy-load circuits such as ignition, hydraulic pump solenoids, high-draw accessories, or primary power routes. It safely uses a low-current 12V signal from the control system to switch the higher-current circuit.

As a high-quality aftermarket replacement supplied by RQ Parts, this 3740049 Relay provides a reliable and robust solution to replace a failed or fatigued original part. Given its crucial role in managing high-current functions, a malfunction can lead to severe operational issues or machine immobilization. Replacing it with this dependable 12V, 40A relay ensures safe, robust, and consistent electrical performance across your large fleet of JLG telescopic and articulated boom lifts.

🔹 Key Features & Benefits

✅ High-Amperage Capacity: Rated for 40 Amps to reliably control high-load electrical circuits.

✅ Direct OEM Cross-Reference: Exact match for JLG part number 3740049.

✅ Standard 12 Volt Operation: Ensures compatibility with all JLG equipment utilizing 12V DC control systems.

✅ Wide JLG Boom Lift Coverage: Essential spare part for popular JLG Telescopic (S) and Articulated (AJ) boom models.

🔹 Technical Details

Part Number: 3740049 Condition: 100% new aftermarket replacement Type: High-Amperage Electrical Relay Voltage: 12V DC Amperage Rating: 40 AMP Warranty: 12 months against manufacturing defects

🔹 Compatible JLG Models & Applications

The 12V 40A Relay 3740049 is commonly used across a wide array of JLG Boom Lifts:

JLG Boom Lifts: 10042 (Telehandler), 400S, 460SJ, 600A, 600AJ, 600S, 660SJ, 601S
Common Application: Relay panels, ignition circuits, hydraulic solenoid control modules, and auxiliary system switching.

Note: Due to its universal application and high-amp rating, this relay is a high-demand inventory item for JLG maintenance.

🔹 Why Choose RQ Parts?

High-Load Component Experts: We specialize in robust electrical parts designed to handle the heavy demands of AWP electrical systems. JLG Compatibility Focus: Guaranteed fit and performance for critical JLG boom lift models. Competitive Pricing: High-quality replacement relays offered at cost-effective prices for maintaining large fleets. Fast Global Delivery: Reliable logistics ensure minimal downtime, keeping your high-demand JLG equipment operational.

Delivery Times

Average Delivery Time is 10-15 days within worldwide.
For overseas delivery Message Us or Call Toll Free at +8618221399269

General Returns: All returns must be requested within 30 days of invoice.
Please note that this refund policy applies to parts purchases only. There are no refunds available for equipment purchases.

General Returns: All return requests must be made within 30 days of the invoice date. Returned merchandise will ONLY be accepted with an issued Return Authorization number and must be returned within 30 days of issuing that Return Authorization number. Special-Order products, electronics, paints, chemicals, lubricants, LPG tanks, and fire extinguishers are non-returnable once ordered. Returned items must be sent to Shanghai RQMACHINE Equipment with freight prepaid.

All returns, except those involving a Shanghai RQMACHINE Equipment order or product error, will be subject to a 25% restocking charge per line item.

Merchandise returned as defective will be thoroughly tested and inspected. For items verified as defective, Shanghai RQMACHINE Equipment will, at its sole discretion, either repair or replace the merchandise at no charge, or issue a full credit for the defective merchandise, including freight. Merchandise returned as defective but found to be working properly will be subject to a testing fee and the 25% restocking charge per line item.

Credit will not be issued for merchandise damaged due to corrosive materials, abuse, alteration, or misuse.

Before returning any merchandise to Shanghai RQMACHINE Equipment, a Return Authorization Number must be obtained from our sales/customer service department.

Your request must include:

Part Number & Description
Return Reason
Order Number

Phone: +8618221399269