NewPwr NPFSR-K51D Safety Relay reliable isolation control

NewPwr NPFSR-K51D Safety Relay reliable isolation control

NPFSR-K51D is 1NO output safety relay, receiving DO signal, realizing reliable isolation control, and the field side supports up to 250V AC load circuit. It can be used for safety related applications of SIL3 and SC3 in accordance with IEC 61508 standard, and ESD in SIS. Main features: System loop detection support; Proof Test; Fail-safe technique; Triple redundancy; Contact welding protection; Relay contact output for de-energized to safe function.

Power supply type:Loop supply

Voltage range:18 V ~ 32 V DC, Typical 24V DC

Current consumption:≤ 55mA/24V DC

Test pulse width:≤ 4ms

Cable resistance:≤ 15Ω

Input devices:Safety switch, DO signal

Number of contacts:1NO

Contact material:AgSnO2+Au plating

Maximum Contact loading:5A/250V AC, 5A/24V DC

Fuse rating:2.5A/5A (Internal protection)

Energized:≤ 25ms

De-energized delay:≤ 25ms

Switching frequency:≤ 10Hz

Connection method:Screw connection

Dimension:12.8 mm(W)×110 mm(H)×117mm(D)

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