Overview
The Contact Industries CT300A-24D4 DC contactor relay is a robust industrial-grade electrical switching device engineered for high-current DC applications. This 300-ampere unit features a 24V DC operating coil and is widely used in welding equipment, battery charging systems, generator control, and heavy industrial machinery where reliable DC power switching is critical.
Key Features
- Heavy-duty 300-ampere DC contactor rated for continuous switching duty
- 24V DC coil voltage for standard industrial control circuits
- Proven Contact Industries reliability and durability in demanding environments
- Suitable for welding equipment, battery systems, and DC-powered machinery
- Compact form factor designed for panel mounting and cabinet integration
Technical Specifications
- Current Rating: 300 Amperes (DC)
- Coil Voltage: 24V DC
- Manufacturer: Contact Industries Inc.
- Product Series: CT300A Heavy-Duty Contactor
- Application Type: DC Power Switching and Control
Typical Applications
- Welding equipment control and main contactor
- Battery charging systems and DC power supplies
- Generator and alternator field switching
- Industrial DC motor starting and stopping
- Forklift and material handling equipment (OEM applications)
- Energy storage systems and load management
Compatibility & Replacements
Compatible With
- 24V DC control circuits and PLC/relay logic systems
- Industrial DC power distribution panels
- Welding power systems and charging applications
- Equipment requiring 300A DC switching capability
Replaces / Drop-In Replacement For
- Contact Industries CT300A series variants with equivalent 300A DC ratings
- Other 300A 24V DC contactors in similar form factors—verify mechanical and electrical compatibility with your system integrator before ordering
Works With
- Standard 24V DC control voltage sources
- Relay logic and PLC-based control systems
- Manual and automatic switching circuits
- Industrial electrical panels and distribution equipment
