Overview
The Arrow Hart ACC430U20 is a definite purpose contactor rated for 50A at 600VAC with a 110/120V 50/60Hz coil. This Model A contactor is designed for motor control and general switching applications in industrial facilities. Arrow Hart (now part of Eaton Corporation) engineered these units to deliver reliable electromechanical switching for HVAC, refrigeration, compressed air, and general industrial motor loads.
Key Features
- Current Rating: 50A at 600VAC across three or four pole configurations
- Coil Voltage: 110/120V AC, 50/60Hz, for standard North American power supplies
- Contact Configuration: Maximum AC resistance ratings of 30 per pole (3 or 4 pole) and 10 for 2-pole break contact designs
- Definite Purpose Control: Optimized for motor control duty with robust contact designs
- DIN Rail Compatible: Standard mounting for industrial control panels
- Proven Reliability: Established product line with decades of industrial use
Technical Specifications
Below are the verified electrical and physical attributes for this contactor:
- Contact Current Rating: 50A maximum
- Contact Voltage: 600VAC
- Coil Voltage: 110/120V AC
- Coil Frequency: 50/60Hz
- Poles: 3-pole or 4-pole configurations (verify your model variant)
- Contact Type: Double-break per pole for enhanced safety and arc suppression
- Control Type: Definite Purpose (DP), intended for dedicated motor control
- Manufacturer: Arrow Hart (Eaton Corporation)
- Series: Model A ACC430 Family
- RoHS Status: Not specified; verify with supplier for compliance requirements
Typical Applications
- Three-phase motor starters for machine tools, pumps, and fans
- HVAC equipment control (compressor contactors, condenser fan motors)
- Refrigeration and cold storage unit switching
- Compressed air system load shedding and motor sequencing
- General industrial on/off switching up to 600V systems
- OEM equipment control panels and retrofit installations
Compatibility & Replacements
Compatible With
- Standard three-phase AC industrial power systems rated 480V, 600V
- Single-phase 120V control circuit transformers and logic circuits
- Electromechanical relay logic and panel wiring schemes
- DIN-rail mounted control panel enclosures
- Mercury displacement or electronic motor starters
Replaces / Drop-In Replacement For
The ACC430U20 may serve as a replacement for other Arrow Hart Model A contactors with identical coil and current ratings. Always verify the exact pole configuration (3-pole vs. 4-pole) and contact sequence before substitution. Consult the original equipment manual or contact your system integrator before ordering as a direct replacement, as contactor auxiliary contacts and pole configurations vary by model suffix.
Works With
- Mechanical control switches, push buttons, and selector switches
- Electromechanical overload relays (thermal or magnetic)
- Manual motor starters and magnetic starter combinations
- Time-delay relays and drum controllers
- Legacy industrial control systems predating modern PLCs
