Overview
The Allen-Bradley 700-HC24A1 is a general-purpose miniature ice cube relay designed for reliable switching and control in industrial automation applications. This 120V 50/60Hz relay features four changeover (4PDT) contacts with silver plating and a 7-ampere switching rating, making it suitable for controlling medium-load AC circuits in control panels, motor starters, and process automation systems.
Key Features
- 4PDT Contact Configuration: Four poles, double throw—enables complex switching logic for multi-circuit control.
- 7 Ampere Rating: Handles typical industrial control loads within the general-purpose relay range.
- Silver Contacts: Provides reliable electrical conductivity and reduced contact resistance.
- Plug-In Design: Easy insertion into standard 14-blade relay sockets for quick installation and maintenance.
- Low Coil Power: 1W coil power consumption minimizes energy draw on control circuits.
- Industrial Certifications: UL, CSA, CE, and CUL listed—meets global safety and performance standards.
Technical Specifications
- Coil Voltage: 120V AC, 50/60Hz
- Contact Configuration: 4PDT (4 NO, 8 NC)
- Contact Rating: 7A @ rated voltage
- Coil Power: 1W
- Coil Resistance: 4700Ω
- Coil-to-Contact Isolation: 2kV
- Mounting Type: Plug-in (14-blade)
- Contact Material: Silver
- Series: 700-HC Miniature Relay
- Certifications: UL Listed, UL Recognized, CSA Listed, CE Marked, CUL Listed
Typical Applications
- General-purpose control relays in industrial control panels and machine control systems
- Interposing relay circuits for improving system flexibility and reducing spare-parts inventory
- Multi-circuit switching in PLC-based and hardwired automation systems
- Motor starter and soft-starter auxiliary control circuits
- Process automation and sequencing logic in manufacturing equipment
Compatibility & Replacements
Compatible With
- Standard 14-blade miniature relay sockets and bases
- Allen-Bradley 700-HV and 700-HC series relay bases
- Industrial control panels with 120V AC control voltage supplies
- PLC auxiliary relay outputs and hardwired control circuits
Replaces / Drop-In Replacement For
- 700-HC24A1 (older similar versions and minor revisions)
- Compatible with 700-HC series ice cube relay socket platforms
Works With
- Rockwell Automation CompactLogix, ControlLogix, and PLC-5 control systems
- Allen-Bradley motor starters and contactor auxiliary circuits
- EtherNet/IP and PROFINET industrial networks (via PLC logic)
- Siemens, Omron, and other PLC systems using standard 14-blade relay interfaces
