24VDC 75A Automotive Relay, SPST-NO | P004-201-0018
24VDC high-current normally open relay designed for commercial vehicles, trucks, heavy-duty equipment, and other DC power switching applications.
Product Overview
The Photo-Top P004-201-0018 is a heavy-duty 24VDC automotive relay designed for controlling high-current DC electrical loads. It features a 1 Form A / SPST normally open contact configuration, a rated coil voltage of 24VDC, and a maximum resistive load of 100A.
The relay is equipped with screw-type main power terminals, blade-type coil terminals, and integrated side mounting brackets for secure electrical connections and convenient installation.
With an operating temperature range from -40°C to +85°C, fast switching response, and a mechanical life of at least 1,000,000 operations, this high-current relay is suitable for commercial vehicles, trucks, buses, construction machinery, agricultural equipment, and industrial DC power systems.
Technical Specifications
Item | Specification |
Product Name | 24VDC 75A Relay |
Part Number | P004-201-0018 |
Relay Type | Electromechanical Power Relay |
Contact Form | 1 Form A / SPST-NO |
Contact Status | Normally Open |
Rated Coil Voltage | 24VDC |
Pickup Voltage | ≤19.2VDC |
Maximum Resistive Load | 100A |
Operating Temperature | -40°C to +85°C |
Mechanical Life | ≥1,000,000 operations |
Operating Time | ≤15ms |
Release Time | ≤15ms |
Insulation Resistance | ≥100MΩ at 500VDC, 50% RH |
Mounting Method | Integrated Side Mounting Brackets |
Typical Applications
- Commercial vehicles, trucks, and buses
- Construction and agricultural equipment
- Heavy-duty vehicle electrical systems
- Battery power control systems
- Auxiliary lighting systems
- Cooling fans and DC motors
- Pumps and compressors
- Industrial DC equipment
- Marine DC electrical systems
Features & Benefits
High-Current Switching Capability
Supports a maximum resistive load of up to 100A, making the relay suitable for controlling high-current DC electrical equipment.
24VDC System Compatibility
Designed for 24VDC electrical systems commonly used in trucks, buses, commercial vehicles, construction machinery, agricultural equipment, and industrial systems.
Normally Open Contact Design
The 1 Form A / SPST-NO contact configuration keeps the main circuit disconnected until the relay coil is energized.
Fast Switching Response
An operating time and release time of no more than 15ms provide fast circuit activation and disconnection.
Long Mechanical Life
A mechanical life of at least 1,000,000 operations provides dependable performance for repeated switching applications.
Wide Operating Temperature Range
Operates from -40°C to +85°C, making it suitable for demanding automotive, commercial vehicle, and industrial environments.
Secure High-Current Connections
Screw-type main power terminals provide firm and stable connections for high-current cables.
Convenient Installation
Integrated side mounting brackets allow the relay to be securely installed on vehicle panels, equipment frames, or electrical enclosures.
High Insulation Performance
An insulation resistance of at least 100MΩ at 500VDC helps provide effective electrical isolation between internal circuits.
Frequently Asked Questions
What is the rated coil voltage of the P004-201-0018 relay?
The P004-201-0018 relay has a rated coil voltage of 24VDC.
Is this a normally open relay?
Yes. It features a 1 Form A / SPST-NO normally open contact configuration.
What is the maximum resistive load?
The maximum resistive load specified for this relay is 100A.
What is the operating temperature range?
The relay can operate in temperatures ranging from -40°C to +85°C.
How fast does the relay operate?
The operating time is no more than 15ms, and the release time is also no more than 15ms.
What is the mechanical life of the relay?
The relay has a mechanical life of at least 1,000,000 operations.
What applications is this 24VDC relay suitable for?
It is suitable for trucks, buses, commercial vehicles, construction machinery, agricultural equipment, auxiliary lighting, cooling fans, DC motors, pumps, and other heavy-duty DC electrical applications.
