Overview
The Allen-Bradley 700-N400A1 is a 4-pole industrial control relay from the Bulletin 700-N series, engineered for dependable motor control and switching applications in industrial automation systems. This 4-pole industrial control relay is designed for general-purpose motor control switching applications and features manual override capability with easy-to-identify status indication and convertible contact cartridges that can be changed from normally open to normally closed configurations. The relay is suitable for use in industrial automation control systems and motor control assemblies.
Key Features
- 4 pole relay with maximum voltage rating of 110/120V at 50/60Hz
- Manual override capability with easy-to-identify status indication
- Convertible contact cartridges that can be changed from normally open to normally closed
- Low profile, high reliability switching solution with manual override capability and highly visible red bar status indication
- Screw terminal configuration for secure field wiring
Technical Specifications
- Part Number: 700-N400A1
- Coil Voltage: 110V AC 50Hz / 120V AC 60Hz
- Contact Configuration: 4 Normally Open
- Contact Rating: 10 ampere
- Maximum Control Voltage: 300V AC 50/60Hz
- Frequency: 50/60 HZ
- Terminal Style: Screw Terminals
- Weight: 1.46 lbs
- Standards: UL 508, CSA C22.2 No. 14; cULus Listed
Typical Applications
The 700-N400A1 relay excels in motor control centers, automation panels, and electrical distribution systems requiring dependable switching of AC loads. Common applications include:
- Motor starter circuits and motor control assemblies
- Industrial automation and process control systems
- HVAC system switching and interlocking
- Lighting and equipment circuit control
- General-purpose industrial switching and sequencing
Compatibility & Replacements
The Allen-Bradley 700-N400A1 belongs to the Bulletin 700-N industrial relay family, a widely-used standard in industrial control. Contact cartridges are convertible, offering flexibility to customize normally open (N.O.) or normally closed (N.C.) configurations depending on application requirements. If seeking alternative configurations or higher pole counts, consult Bulletin 700-N datasheets for compatible models. As a used surplus part, verify compatibility with your specific control application before installation.







