1222MRA
Key Features
- Terminals: Screw
- Series: 12
- Contact Materials: Silver
- Electrical Functions: Normally closed
- Plunger Type: Round plunger
Specifications
Distinctive Features:
- Butt action contacts
- Double break
- UL and CSA approved
General Specifications:
- Torque : 1.50 Nm (1.10 Ft.lb) max. applied to nut
- Panel thickness : 4.5 mm (.177) max.
- Total travel :NO : 4.5 mm (.177) ± 0.3 (.011)NC : 3.5 mm (.137) ± 0.3 (.011)
- Operating temperature : -20 °C to +55 °C (-4 °F to +131 °F)
Environmental Specifications:
- Operating temperature : -20 °C to +55 °C
Electrical Specifications:
- Max. current/voltage rating with resistive load :- silver contacts (A) : 4 A 250 VAC - 8 A 125 VAC - 4 A 24 VDC - 8 A 12 VDC- silver plated copper contacts (C) : 2 A 250 VAC - 3 A 125 VAC - 2 A 24 VDC - 3 A 12 VDC
- Initial contact resistance : 10 mΩ max.
- Insulation resistance : 1,000 MΩ min. at 500 VDC
- Dielectric strength :2,000 Vrms 50 Hz min. between terminals3,000 Vrms 50 Hz min. between terminals and frame
- Electrical life : 10,000 cycles at full load
Materials:
- Case : polyamide
- Plunger : top chrome plated brass on polyamide base
- Bushing : brass, nickel plated
- Contacts :
- A : silver
- C : copper, silver plated
- Cap nut : brass, chrome plated
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