Overview
The Allen-Bradley 700-HA33Z24 is an electromechanical general purpose tube base relay designed for dependable performance in industrial control and automation circuits. With a 24V DC coil and 10A contact rating, this 3-pole double throw (3PDT) relay provides three changeover contacts in a compact 11-pin configuration. The tube base design allows for quick panel mounting and easy replacement, making it ideal for maintenance and retrofit applications.
Key Features
- 3-Pole Double Throw (3PDT) configuration with three changeover contacts for flexible switching logic
- 24V DC coil voltage compatible with standard industrial control systems
- 10A contact rating supports general-purpose switching loads
- 11-pin tube base design enables quick insertion into standard relay sockets
- Multiple certifications: UL 508, CE, CSA, CUL for international compliance
- Proven electromechanical technology for critical control applications
Technical Specifications
- Coil Voltage: 24V DC
- Contact Configuration: 3 Form C (changeover) / 3PDT
- Contact Rating: 10A standard
- Number of Pins: 11
- Relay Type: Tube Base (General Purpose)
- Width: 36.5 mm
- Depth: 32.8 mm
- Shock Rating (Max): 50 g
- Vibration (Max): 5 m/s²
- Standards: UL 508, CE, CSA, CUL, KC
- Manufacturer: Rockwell Automation (Allen-Bradley)
Typical Applications
The 700-HA33Z24 is well-suited for a wide range of industrial control scenarios:
- PLC input/output switching and logic control
- Motor starter interlocking and protection circuits
- Solenoid and valve pilot control
- Process automation and sequencing circuits
- Emergency stop (e-stop) circuits and safety interlocking
- General-purpose industrial switching and relay banks
Compatibility & Replacements
The 700-HA33Z24 integrates seamlessly into existing Allen-Bradley control systems and can replace other general-purpose relays with identical footprints and electrical ratings.
Compatible With
- Standard 11-pin tube base relay sockets and panels
- Allen-Bradley control systems and industrial automation equipment
- 24V DC control circuits in legacy and modern PLC systems
- Push-button stations, timers, and auxiliary circuits
- Industrial contactors and soft-starter logic circuits
Replaces / Drop-In Replacement For
- 700-HA33Z24 (base model without options)
- 700-HA33Z24-3 (with push-to-test and manual override)
- 700-HA33Z24-4 (pilot light configuration)
- Other 3PDT 11-pin 24V DC tube base relays with 10A rating
Works With
- 24V DC industrial control power supplies
- Allen-Bradley ControlLogix and CompactLogix PLCs
- Generic automation panels and relay banks
- Emergency stop circuits and safety systems
- Process timers and sequential logic modules












