Overview
The Allen-Bradley 100-A12NZ243 is a non-reversing motor contactor designed for industrial motor control applications requiring a 24VDC control circuit. This compact, cost-effective contactor combines proven IEC standards with NEMA construction principles, making it suitable for both retrofit and new installations in manufacturing, process control, and machine automation environments.
Key Features
- 24VDC coil voltage for standard industrial control circuits
- 22 amp rated current capacity for motor and load switching
- 3-pole main contacts with one normally open auxiliary contact
- 10 HP power rating at typical industrial voltages
- UL and CSA certified for North American applications
- Compact form factor for panel-mount and control cabinet installation
Technical Specifications
- Contactor Type: Non-reversing motor contactor
- Coil Voltage: 24 VDC
- Rated Current: 22 A
- Number of Poles: 3
- Auxiliary Contacts: 1 normally open (N.O.)
- Power Rating: 10 HP
- Operating Voltage Range: 575 VDC (main contacts)
- Certifications: UL, CSA
- Dimensions: 5.00 x 3.00 x 3.00 inches (L x W x H)
- Weight: Approximately 1.00 lb
Typical Applications
- Motor starters and soft-start control systems
- Process pump and compressor motor control
- Fan and conveyor motor switching
- Industrial heating and cooling equipment control
- Manufacturing automation and machine tool circuits
- HVAC and facilities automation systems
Compatibility & Replacements
The 100-A12NZ243 is a standard IEC contactor that integrates seamlessly into existing Allen-Bradley control architectures and third-party systems that support 24VDC coil voltage and 22 amp switching requirements. As a legacy contactor, it remains in active use across North American industrial facilities. When specifying replacements or upgrades, confirm auxiliary contact configuration, coil voltage, and rated current to ensure drop-in substitution.
