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Residual Current Release Relay with Converter
Circuit breakers (PDF datasheet)Product enquiry and further information (Contact us form)
RESIDUAL CURRENT (RCD) RELEASE RELAY, FIR
Residual current release relay in combination with core-balance transformers. Switch-off can be achieved with undervoltage- and shunt releases or a contactor.
RESIDUAL CURRENT (RCD) RELEASE RELAY, FIR
DESCRIPTION
- TYPE
- ORDER NO.
Rated fault currentΔI n = 0.03 A Pulse current sensitive
- FIR–003
- MC900001
Rated fault current IΔn = 0.3 A Pulse current sensitive
- FIR–03
- MC900002
Rated fault current IΔn = 0.03...5 A Pulse current sensitive
- FIR–5
- MC900003
Circuit breakers (PDF datasheet)Product enquiry and further information (Contact us form)
CORE-BALANCE TRANSFORMER FRI-WS, FIR-WR
- The internal diameter of the transformer d1 must be 1,5x wider than the average cross-section d2 of the inserted conductors.
- For load circuits with inrush current> 4 x In, magnetic shielding is required (available upon request).
CORE-BALANCE TRANSFORMER FRI-WS, FIR-WR
DESCRIPTION
- TYPE
- ORDER NO.
ROUND CORE-BALANCE TRANSFORMER
- Internal diameter 20 mm
- FIR–WS–20
- MC900020
- Internal diameter 30 mm
- FIR–WS–30
- MC900030
- Internal diameter 35 mm
- FIR–WS–35
- MC900035
- Internal diameter 70 mm
- FIR–WS–70
- MC900070
- Internal diameter 105 mm
- FIR–WS–105
- MC900105
- Internal diameter 140 mm
- FIR–WS–140
- MC900140
- Internal diameter 210 mm
- FIR–WS–210
- MC900210
RECTANGULAR CORE-BALANCE TRANSFORMER
- 70x175 mm
- FIR–WR–175
- MC910175
- 115x305 mm
- FIR–WR–305
- MC910305
- 150x350 mm
- FIR–WR–350
- MC910350
Product enquiry and further information
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