Dold Monitoring Relay, 1, 3 Phase, SPDT, DIN Rail, 230 V ac

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₩490,202.48

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RS 제품 번호:
240-9033
제조사 부품 번호:
AI897 AC45-400Hz230V 10-80kOhm
제조업체:
Dold
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모두 선택

브랜드

Dold

Product Type

Monitoring Relay

Electrical Phase

1, 3

Contact Configuration

SPDT

Mount Type

DIN Rail

Minimum Operating Temperature

-20°C

Maximum Operating Temperature

60°C

Length

115mm

Height

77mm

Series

AI 897

Standards/Approvals

RoHS

COO (Country of Origin):
DE

Insulation monitor for pure 3 phase and alternating current systems, AI897


Adjustable response value 10 → 80 kΩ

No separate auxiliary voltage connection required

1 changeover

Overall width 45 mm

The AI897 insulation monitor displays the insulation resistance of unearthed 3 phase and alternating current systems to earth.

The device works according to the quiescent current principle, that is, the output relay responds when mains voltage is applied to terminals A1 → A2. The output relay breaks when the response setpoint is undercut.

A bridge between terminals LT1 and LT2 allows the AI897 to be programmed for memory storage behaviour; remove the bridge to programme hysteresis behaviour. The bridge can be replaced with a delete key with an NC contact. There is a PT test button on the front of the device to test for functional efficiency. An external test button (in accordance with VDE 0413) is also possible.

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