Product Overview
Micro Switch BZ-2RS-A2 Basic Snap Switch SPDT Screw Terminal Plunger
Condition
New old stock. Switch body shows clean exterior surfaces with crisp stamped markings and untarnished brass screw terminals. Evaluation: Visual inspection confirmed intact housing and smooth plunger actuation.
Ships same or next business day from our Idaho warehouse. Honest pricing, no nonsense.
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Product Overview
Manufactured by MICRO SWITCH in Freeport, Illinois, part number BZ-2RS-A2 is a heavy-duty BZ series basic snap-action switch designed for precision mechanical sensing and limit switching. Built with a rugged phenolic case, this SPDT switch features an overtravel pin plunger in a brass sleeve bushing and three brass screw terminals with cup washers on the underside.
Key Features
- Circuitry: Single Pole Double Throw (SPDT)
- Actuator: Overtravel pin plunger mechanism with brass sleeve
- Termination: Three screw terminal posts with cup washers marked Common, Norm Open, and Norm Closed
- AC electrical ratings: 15 A at 125, 250, and 480 VAC; 1/8 HP at 125 VAC; 1/4 HP at 250 VAC
- DC electrical ratings: 1/2 A at 125 VDC; 1/4 A at 250 VDC
- Mounting configuration: Dual 0.14-inch mounting holes on 1.00-inch centers
- Certifications: UL Recognized and CSA Certified
- Origin: Freeport, Illinois, USA
Applications
- Industrial machine limit sensing and safety interlock positioning during daily factory operations.
- End-of-travel detection on automated slides, conveyor systems, and packaging equipment.
- Custom CNC router limit stops, test bench trigger fixtures, and maker automation projects.
Frequently Asked Questions
What mounting pattern does this switch use?
The switch body features two mounting holes with 0.14-inch diameters spaced on standard 1.00-inch centers, accommodating standard machine screws.
How are the electrical connections labeled?
The bottom phenolic housing is molded with clear designations adjacent to each screw terminal: COMMON, NORM OPEN, and NORM CLOSED.
Why buy this individual switch instead of a bulk surplus lot?
You receive the exact, individually photographed switch shown here, verified in clean NOS condition without having to purchase excess components you do not need. Flat-rate shipping is $8, orders over $28 ship free, and orders leave our Idaho warehouse the same or next business day.
Built back when basic switches were housed in thick phenolic and made to outlast the equipment they were installed in. Bolt it down, wire the brass posts, and let the mechanical snap do its job for another few decades.
Shipping? $8 flat rate, free once your order passes $28 - and it leaves the Idaho warehouse the same or next business day.
