Switching sequence: Momentary
Contact arrangement: Single pole On/Off switch (SPST)
Mounting type: Panel mount
Panel cutout diameter: 22.2 mm
Contact rated current: 2 A @ 48 V dc
Contact DC rated voltage: 48 V
Actuator color: Silver
Minimum operating temperature: -30 °C

Safety push button switch of the AV series. This safety push button switch has been developed by Apem and features a mechanical stop that protects the contact mechanism and provides a high level of shock resistance. This safety switch from the AV series is designed with a robust polybutylene housing, nickel-plated brass terminals, and silver-plated contacts to ensure reliability and longevity over an extended operating period. Features and benefits: Environmental protection rating IP54, momentary switch actuation, mechanical lifespan of 100,000 cycles. Available in this series:
Part No. 278-1133: Curved 16 mm screw terminal push button switch
Part No. 278-1149: Flat 16 mm screw terminal push button switch
Part No. 190-0715: Flat 16 mm solder terminal push button switch
Part No. 179-0906: Curved 19 mm screw terminal push button switch
Part No. 179-0912: Flat 19 mm screw terminal push button switch
Part No. 190-0721: Illuminated 19 mm solder terminal push button switch (red)
Part No. 174-6381: Curved 22 mm screw terminal push button switch
Part No. 179-0899: Flat 22 mm screw terminal push button switch.