Overview
The Honeywell BZ-2RW822-A2 is a premium large basic switch from the BZ/BA/BM/BE series, designed for precision on/off control applications in industrial automation, machinery, and process control. This SPDT microswitch delivers 15 A at 125 VAC, snap-action operation, and a roller lever actuator with screw termination. These switches are often used for precision on/off applications, end of limit detection, presence/absence sensing, and manual operator interface functions.
Key Features
- Operating force as low as 4 oz with sensitive differential travel as low as 0.0002 inch
- Power load switching capabilities up to 25 A and motor load capability up to 2 HP @ 250 VAC
- UL Recognized and CSA Certified (25 Amp Version); CE and ENEC approval
- Silver contacts for reliable electrical performance with 20 million operating cycles
- Momentary or maintained contact options with variety of actuating options
- Wide operating temperature range from -55 to 85°C
Technical Specifications
The following table details the electrical and physical specifications of the BZ-2RW822-A2:
- Contact Configuration: Single Pole Double Throw (SPDT)
- AC Voltage Rating: 125 VAC
- DC Voltage Rating: 250V
- AC Current Rating: 15 A
- DC Current Rating: 0.5 A at 125 V DC
- Actuator Type: Roller lever with screw termination
- Operating Force: 1.67 N (6 oz maximum)
- Differential Travel: 0.51 mm maximum
- Contact Material: Silver
- Operating Temperature: -55 to 85°C
- Operating Cycles: 20,000,000 cycles
- Mounting: Screw mount
- Enclosure Rating: IP64
- Certifications: UL Recognized, CE, CSA, DEMKO
- Series: BZ (Premium Large Basic Switch)
Typical Applications
These precision switches are ideal for end-of-limit detection, presence/absence sensing, and manual operator interface functions in industrial machinery and control systems. Common uses include machinery guards, door position sensing, conveyor monitoring, equipment position limits, and safety interlocks in manufacturing and automation environments.
Compatibility & Replacements
Compatible With
- Industrial control panels and machinery requiring SPDT logic
- 24 VAC/VDC and 120 VAC control circuits
- Electromechanical control systems and legacy automation equipment
- Limit detection and safety interlock applications
Replaces / Drop-In Replacement For
The BZ-2RW822-A2 is a standard BZ series microswitch. BZ/WZ/YZ series switches are rated at 15 A. Verify with your system integrator for exact cross-reference requirements before ordering.
Works With
- Mechanical relay logic and PLC input modules
- Safety circuits and emergency stop systems
- Motor starters and thermal overload protection
- Standard industrial 120/240 VAC control systems
