Overview
The Allen-Bradley 800T-XA4R /A is a 30mm logic reed contact block designed for integration with Bulletin 800T and 800H push button operator stations. This 2NC (two normally closed) contact block provides secure, low-energy switching suitable for hazardous location installations and standard industrial automation control circuits. Logic reed contacts are ideal for low-current applications and deliver reliable performance in demanding environments.
Key Features
- 2 Normally Closed (2NC) contact configuration
- Logic reed contact technology for low-current applications (below 17V/5mA)
- Base mount design compatible with 800T/800H 30mm push button stations
- Suitable for hazardous location classes I, II, and III, Divisions 1 and 2
- Includes 0.75 inch 14 NPSM threaded barrel for secure installation
- Certified to multiple standards: UL, CSA, CE, CUL, CCC, KC, Marine
Technical Specifications
- Contact Type: Logic Reed, 2 Pole
- Voltage Rating: 600 VAC maximum
- Current Ratings: 1.8 VA (pilot duty), 8 VA maximum; 0.6 A (pilot), 15 A maximum
- Mounting: Base mount (screw attachment)
- Size: 30mm contact block
- Weight: 0.105 lbs
- Temperature Range: -25°C to +70°C (consult manufacturer for applications below freezing)
- Certifications: UL, CSA, CUL, CE, CCC, KC, MARINE
- Mechanical Life: 1,000,000 cycles minimum
Typical Applications
The 800T-XA4R /A contact block is commonly used in:
- Hazardous location push button stations (Class I, II, III Divisions 1 & 2)
- Low-current pilot device circuits
- Safety-critical control circuits requiring reliable contact performance
- Process automation and industrial machinery control stations
- Emergency stop (E-stop) station assemblies
- Oil & gas, chemical processing, and manufacturing facility installations
Compatibility & Replacements
Compatible With
- Allen-Bradley Bulletin 800T 30mm push button operators
- Allen-Bradley Bulletin 800H 30mm push button operators
- Standard 800T base-mount contact block receptacles
- Low-current pilot duty circuits up to 15A maximum
- 600 VAC industrial control circuits
Replaces / Drop-In Replacement For
The 800T-XA4R /A is a direct replacement for earlier 800T-XA4R contact blocks. Verify specific application compatibility with your system integrator before ordering to ensure proper contact configuration and current rating suitability.
Works With
- 800T and 800H series 30mm push button stations
- Industrial control relay logic circuits
- PLC input modules (24 VDC logic)
- Safety control circuits and E-stop assemblies
- Hazardous location rated enclosures and stations










