Overview
The Allen-Bradley 800T-QBH2B /U is a rugged 30mm illuminated pushbutton switch engineered for demanding industrial environments. Built on the proven 800T platform, this momentary-contact operator delivers reliable control switching with integrated LED illumination in blue. Its extended head without guard design and 12-130V AC/DC voltage compatibility make it a versatile choice for control stations, operator interfaces, and emergency control circuits.
Key Features
- 30mm size — Compact footprint suitable for dense panel layouts
- Blue LED illumination — High-visibility status indication with low power consumption
- Momentary contact action — Spring-return operation for standard pushbutton applications
- 1 NO / 1 NC contacts — Dual contact blocks for flexible control logic
- Extended head without terminal guards — Easy wire access for terminal-side connections
- Type 4/13 rated — Suitable for indoor oiltight and watertight enclosures when properly assembled
Technical Specifications
- Voltage Rating: 12–130V AC/DC
- Contact Configuration: 1 Normally Open, 1 Normally Closed
- Action: Momentary
- Button Diameter: 30mm (1.2 inch)
- Head Type: Extended head without guard
- Illumination: LED
- Lens Color: Blue
- Enclosure Rating: Type 4/13 (when assembled with compatible contact blocks)
- Terminals: Screw terminals, no guards
- Operating Temperature: –13°F to 140°F (–25°C to 60°C) *
- Weight: 0.25 lbs
- Certifications: UL, CSA, CUL, CE, CCC, KC, MARINE
* Operating temperatures below freezing require absence of moisture and liquids.
Typical Applications
- Machine control panels and operator stations
- Emergency stop circuits (when combined with appropriate contact blocks)
- Process automation start/stop controls
- Status indication and confirmation buttons
- Control logic circuits in industrial PLCs and relay systems
- Pump, motor, and drive enable/disable controls
Compatibility & Replacements
Compatible With
- Allen-Bradley 800T series enclosure stations and pendant stations
- Industrial control panels rated Type 4 and Type 13
- Standard 30mm pushbutton cutout openings
- AC and DC control circuits up to 130V
- Sealed switch contact blocks (Bulletin 800T standard blocks)
Replaces / Drop-In Replacement For
The 800T-QBH2B serves as a direct replacement for earlier 800T blue illuminated momentary pushbutton models with identical contact configuration and voltage rating. Consult your system documentation or an Allen-Bradley distributor to verify compatibility with legacy panel assemblies.
Works With
- Allen-Bradley 800T contact blocks (pilot duty and MaxDutyâ„¢ ratings)
- Standard industrial relay and contactor coils
- Allen-Bradley CompactLogix, ControlLogix, and SLC 500 analog/discrete input modules
- Siemens SIMATIC S7 discrete input terminals
- Mitsubishi FX and Q-series PLC input modules
- Omron CP-series and NX-series automation controllers
- Standard 120V AC, 24V AC, and 24V DC control circuit transformers
