Overview
The Honeywell BA-2RV-A4 is a MICRO SWITCHâ„¢ BA Series large basic switch designed for reliable, repeatable on/off control. This SPDT (single-pole double-throw) configuration features a rigid straight lever actuator and is rated for 20A at 250VAC. Built with silver-plated contacts and phenolic housing, the BA-2RV-A4 delivers precise, snap-action switching for limit detection, end-of-travel sensing, and manual operator interface applications across industrial automation systems.
Key Features
- SPDT (single-pole double-throw) contact configuration
- Rigid straight lever actuator for reliable mechanical input
- Silver-plated contacts for superior conductivity and durability
- 20A at 250VAC electrical rating
- Phenolic housing for general-purpose industrial environments
- Screw termination for secure, field-serviceable wiring
- Low operating force and differential travel for precision applications
- Engineered for 100K operations at full load or 10M mechanical life
Technical Specifications
The BA-2RV-A4 delivers robust switching performance in compact form factor:
- Contact Type: SPDT (Single-Pole Double-Throw)
- Actuator: Rigid Straight Lever
- Electrical Rating: 20A at 250VAC
- Contact Material: Silver-plated
- Housing: Phenolic
- Termination: Screw terminals (#8)
- Mechanical Life: 10 million operations
- Electrical Life: 100,000 operations at full load
- Operating Force: Optimized for sensitive, low-force actuation
- Mounting: Elongated hole for easier, more accurate installation
- Certifications: UL, CSA, CE, ENEC compliant
Typical Applications
The Honeywell BA-2RV-A4 is ideal for:
- Limit switches on machinery and industrial equipment
- End-of-travel sensing for positioning systems
- Manual operator interface and control panels
- On/off switching for pumps, fans, and motors
- Safety interlocks and door switches
- Process control and automation systems requiring snap-action response
- HVAC and environmental control equipment
Compatibility & Replacements
Compatible With
- Industrial control systems and PLC input modules (24VDC, 120VAC, 240VAC logic)
- Motor starters and contactor circuits
- Automation equipment control panels
- General-purpose electrical distribution panels
- Machine safety interlocks and limit detection circuits
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator or control engineer before ordering to ensure electrical ratings and mounting configuration match your application.
Works With
- Screw-terminal industrial control wiring and harnesses
- 24VDC/120VAC/240VAC control circuits
- Relay coils and solenoid control circuits
- PLC discrete input modules (verify voltage compatibility)
- Motor control and HVAC systems using snap-action switch actuation
