Overview
The Allen-Bradley 400-DP25ND4 /B is a definite purpose contactor rated at 25 amperes with four poles and a 120V AC coil. Designed to meet NEMA standards, this contactor is specifically engineered for air-conditioning, refrigeration, resistive heating, food service equipment, pumps, and compressors. The /B suffix indicates this unit meets industry compliance and configuration specifications. This new, in-box unit is ready for immediate deployment in motor control and switching applications.
Key Features
- 4-pole configuration for simultaneous control of multiple circuits
- 25 amp contact rating for reliable motor and load switching
- 120V AC 50/60 Hz coil voltage for standard North American electrical systems
- Compact NEMA design suitable for control panels and equipment enclosures
- Designed for definite-purpose applications in HVAC and refrigeration systems
- EN 60947-4-1:2019 certified for international low-voltage switchgear compliance
Technical Specifications
- Coil Voltage: 120V AC, 50/60 Hz
- Contact Rating: 25 amperes
- Poles: 4
- Coil Power: Approximately 8-10 watts (typical)
- Mounting: Standard NEMA DIN-rail or panel mount
- Operating Temperature: -20°C to +60°C
- Standards Compliance: EN 60947-4-1:2019, Low Voltage Directive 2014/35/EU, RoHS Directive 2011/65/EU
Typical Applications
The Allen-Bradley 400-DP25ND4 is ideal for:
- Air-conditioning unit motor control and compressor switching
- Refrigeration equipment power management
- Resistive heating element switching and load control
- Data processing and food service equipment motor drives
- Pump and compressor motor soft-start switching
- General industrial 4-pole motor control circuits
Compatibility & Replacements
Compatible With
- Rockwell Automation 400 Series control systems
- Standard NEMA motor control centers (MCCs)
- Panel-mounted control enclosures and distribution boxes
- 24V, 120V, and 240V control circuits
- Traditional relay logic and small PLC I/O modules
Replaces / Drop-In Replacement For
The 400-DP25ND4 serves as a direct replacement for obsolete or damaged units in existing 400 Series installations. For specific model compatibility with legacy systems, consult your system integrator or Rockwell documentation to confirm part number matches.
Works With
- Standard NEMA control relays and auxiliary contact blocks
- Allen-Bradley control logic software and documentation
- Manual control switches and programmable timer relays
- Overload relay protection devices rated for 25A motor loads
- Standard electrical control panel construction practices
