The Z-15GQ21 B is a precision snap-action limit switch equipped with a roller plunger actuator. It is built for high-reliability applications requiring quick response and long operational life. Ideal for use in industrial automation, machinery safety, and mechanical position detection.
- Model: Z-15GQ21 B
- Actuator Type: Cross roller plunger
- Mounting Type: Panel mount
- Contact Configuration: SPDT (1 Normally Open + 1 Normally Closed)
- Rated Voltage:
- AC: 125V / 250V / 500V
- DC: 8V to 250V
- Rated Current:
- 15A @ 125–250V AC
- 10A @ 500V AC
- 15A @ 8–14V DC (lower ratings for higher voltages)
- Operating Force: 2.45–3.43 N
- Release Force: Approx. 1.12 N
- Contact Resistance: ≤ 15 mΩ
- Insulation Resistance: ≥ 100 MΩ
- Dielectric Strength: 1000–2000V AC, depending on terminals
- Travel Distances:
- Pretravel: ~0.4 mm
- Differential Travel: ~0.05 mm
- Overtravel: ~3.6 mm
- Mechanical Life: ≥10 million operations
- Electrical Life: ≥500,000 operations
- Operating Speed: 0.01 to 1 m/s
- Ingress Protection: IP00
- Ambient Temperature Range: –25°C to +80°C
