Original Allen-Bradley 836T-T254J electromechanical pressure control switch. 20-300psi adjustable range, copper alloy bellows, NEMA 1/4/13 enclosure, 12-month warranty.

Product Description

The 836T-T254J is an Allen-Bradley (Rockwell Automation) T-style electromechanical pressure switch from the Bulletin 836T series. Designed for hydraulic, pneumatic, and liquid pressure monitoring, it features a copper alloy bellows sensor, externally adjustable trip/reset points, and a rugged NEMA 1/4/13 enclosure for harsh industrial environments. Suitable for machine tools, compressors, and process automation systems.

Key Features

• Adjustable Range: 20–300 psi (1.38–20.68 bar)
• Adjustable Differential: 10–55 psi (0.69–3.79 bar)
• Sensor Type: Copper alloy bellows (for air, water, non-corrosive fluids)
• Enclosure Rating: NEMA 1, 4, 13 (dust, splash, corrosion resistance)
• Contact Configuration: 2-circuit SPDT (2NO + 2NC)
• Max Line Pressure: 600 psi (41.37 bar); surge to 1000 psi
• External Adjustment: No cover removal needed for setpoint/differential
• Temperature Range: -30°C to +66°C (-22°F to +150°F)

• Repeat Accuracy: ±0.5% of full scale

Technical Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Part Number: 836T-T254J
• Product Type: Electromechanical Pressure Control Switch
• Pressure Range: 20–300 psi (adjustable)
• Differential: 10–55 psi (adjustable)
• Pressure Connection: 1/4" NPT (straight thread with O-ring)
• Electrical Rating: 10A @ 600V AC; 1/3 HP @ 115/230V AC
• Mounting: Wall or surface mount
• Weight: ~2.2 kg (4.82 lb)
• Certifications: UL, CSA, CE, CCC

• Warranty: 12 Months

• 
  

Applications

• Industrial hydraulic/pneumatic system pressure monitoring
• Compressor, pump, and machine tool pressure control
• Process automation for liquid/gas pressure regulation
• Safety interlocks and overpressure protection

• Water treatment and HVAC system pressure switches

• 
  

Our Advantages

• 100% genuine Allen-Bradley original parts with full warranty
• In-stock for urgent maintenance and system upgrades
• Pre-shipment testing and inspection guaranteed
• Professional technical support for installation & calibration
• Competitive pricing and stable long-term supply