Overview
The Honeywell BZ-2RQ785 is a large premium snap-action microswitch engineered for precision on/off control, end-of-limit detection, and presence/absence sensing. This lot includes two units rated for 15A @ 250VAC operation with a plunger actuator and SPDT (Single Pole, Double Throw) contact configuration. Honeywell’s BZ-series switches deliver accurate, repeatable switching action across industrial control, instrumentation, and mechanical limit applications.
Key Features
- Snap-action mechanism with high accuracy and repeatability for reliable electrical performance
- 15A @ 250VAC electrical rating with SPDT contact configuration
- Plunger actuator with bottom-facing screw terminal connections (6-32 x 0.218 in.)
- Wide operating temperature range: −55°C to +85°C (−67°F to +185°F)
- Durable construction suitable for industrial control systems and mechanical applications
- Two units per lot for redundancy or multiple installation points
Technical Specifications
- Contact Configuration: SPDT (Single Pole, Double Throw)
- Electrical Rating: 15A @ 250VAC
- Actuator Type: Plunger
- Terminal Connection: Bottom-facing screw, 6-32 x 0.218 in., with cup washer
- Operating Temperature Range: −55°C to +85°C (−67°F to +185°F)
- Series: BZ (Large Basic Premium)
- Mechanism: Snap-action
- Mounting: Screw-mounted, 3.53 mm (0.139 in.) diameter pins or screws
- Agency Approvals: UL and Canadian Standards certification
- Quantity: 2 units per lot
Typical Applications
The BZ-2RQ785 is commonly deployed in:
- Industrial control systems and machinery limit switches
- Instrumentation and measurement devices (temperature, flow, pressure sensors)
- Mechanical equipment end-of-travel detection
- Manual operator interface and push-button control circuits
- Maintenance and repair equipment control
- Heavy machinery position sensing and interlocking
Compatibility & Replacements
Compatible With
- Industrial control cabinets and switchgear assemblies
- Heavy machinery and automation equipment
- Standard 24 VDC to 250 VAC control circuits
- Mechanical limit switch installations requiring SPDT switching
- Equipment designed for plunger-actuated microswitches
Replaces / Drop-In Replacement For
- Earlier-model BZ-2RQ series switches in same mounting configuration
- Other large basic snap-action switches requiring 15A @ 250VAC SPDT performance
- Verify specific compatibility with system integrator before installation
Works With
- Standard industrial electrical control systems and relay logic
- Mechanical and electromechanical automation equipment
- PLC input modules accepting 24 VDC contact closure signals
- Motor starter circuits and interlock safety systems
- Honeywell automation and sensing ecosystem products
