Relay 24V 70Amp Heavy Duty

The 24V 70 Amp Heavy Duty Relay is a robust electromechanical relay designed for switching high-current electrical circuits in commercial vehicles, construction machinery, agricultural equipment, and industrial applications. Operating on a 24-volt electrical system, the relay enables low-current control circuits to safely switch electrical loads of up to 70 amps, making it ideal for demanding applications where reliability and durability are essential.

Manufactured for heavy-duty use, the relay is engineered to withstand vibration, moisture, dust, and temperature fluctuations commonly encountered in harsh working environments. Its sealed construction and high-capacity contacts ensure dependable performance while protecting sensitive switches and control circuits from excessive current draw.

FUNCTION AND OPERATION

• Switches high-current electrical loads using a low-current control signal
• Supports reliable operation of heavy-duty electrical systems
• Protects switches and control circuits from excessive current
• Provides dependable switching under demanding operating conditions
• Suitable for continuous use in commercial and industrial environments
• Designed for 24V electrical systems

TECHNICAL DETAILS

• Type: Heavy-duty electromechanical relay
• Operating Voltage: 24V DC
• Current Rating: 70 Amps
• Function: High-current electrical switching
• Construction: Heavy-duty sealed relay housing
• Contact Type: High-capacity switching contacts
• Installation: Standard relay mounting for compatible electrical systems
• Design: Direct replacement heavy-duty relay

TYPICAL APPLICATIONS

Suitable for a wide range of equipment and electrical systems, including:

• Construction machinery
• Excavators
• Site dumpers
• Rollers
• Agricultural machinery
• Commercial vehicles
• HGVs
• Generators
• Hydraulic power packs
• Industrial equipment
• Auxiliary lighting circuits
• Starter motor circuits
• Cooling fan systems
• Fuel pump control circuits

The relay is suitable for applications requiring dependable switching of high-current electrical loads within a 24V system.

IMPORTANT INFORMATION

Always confirm the operating voltage, current rating, terminal configuration, mounting arrangement, and connector type before ordering, as heavy-duty relays are available in a variety of specifications that may appear similar but are not interchangeable. Selecting the correct relay is essential to ensure safe operation and reliable performance.

Common symptoms of a faulty relay include intermittent operation, failure of the controlled component to function, overheating, relay chatter, or excessive voltage drop across the contacts. When replacing the relay, it is recommended to inspect the relay socket, wiring harness, terminals, fuses, and associated electrical components for signs of corrosion, loose connections, overheating, or moisture ingress to help ensure reliable long-term operation.

DELIVERY OPTIONS (UK mainland only)

Next Day Delivery*
£11.95 or FREE for orders over £150
Orders placed before 4pm Monday to Friday will be delivered on the next business day.
Orders placed after 4pm on Friday will be delivered the following Tuesday.
*Next day delivery applies to stocked items only. Availability can be found on the product pages.

Premium Delivery*
£30.00 for delivery before 10:30am
£25.00 for delivery before 12:30pm
*Premium delivery applies to stocked items only. Availability can be found on the product pages.

For all other countries, please click here for full delivery information.

**Separate carriage charges apply to bulk products such as 205L barrels.