Omezovače zapínacího proudu

Pozvolný náběh pro jednofázové a třífázové elektrické spotřebiče

Vysoké zapínací proudy, např. při spuštění elektromotorů, mohou narušit nebo poškodit napájecí síť i další připojené spotřebiče. Omezovače zapínacího proudu usměrňující napětí zabraňují silným poklesům síťového napětí a přetížení proudovými maximy (proudem ve špičce). Omezovač zapínacího proudu pracuje s přednastaveným omezovacím rezistorem (NTC), který redukuje zapínací proud, takže spotřebič nabíhá pomaleji. Po definovaném časovém posunu je NTC omezovačem zapínacího proudu automaticky zkratován a k dispozici je plný výkon. Společnost ISMET dodává mezovače zapínacího proudu v několika druzích provedení pro různé varianty použití a montáže.  

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Single-phase starting current limitersThree-phase starting current limiters

ESB

Single-phase starting current limiters

Starting current limiters are voltage-controlled devices. Their functioning is based on a time-delayed bridging of the incorporated damping resistor which is set ex works. The time-lag is also set ex works for the ESB model (approx. 20 to 50 msec.). Available in cast plastic casing.

IR: 16 AUPRI: 110 - 400 V

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ESB-S

Single-phase starting current limiters

Starting current limiters are voltage-controlled devices. Their functioning is based on a time-delayed bridging of the incorporated damping resistor which is set ex works. The time-lag is also set ex works for the ESB-S model (approx. 20 to 50 msec.). Available in plastic casing, can be snapped onto mounting rail TS 35.

IR: 16 AUPRI: 110 - 400 V

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ESBN-S

Single-phase starting current limiters

Starting current limiters are voltage-controlled devices. Their functioning is based on a time-delayed bridging of the incorporated damping resistor (NTC) which is set ex works. Plastic casing, can be snapped onto mounting rail TS 35.

IR: 25 AUPRI: 110 - 400 V

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ESBG

Single-phase starting current limiters

Single-phase starting current limiter as in-line device for electric consumers with high starting currents. Limiting resistor NTC. Plastic casing with incorporated grounding plug and grounding outlet.

IR: 16 AUPRI: 230 V

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ESBG-S

Single-phase starting current limiters

Single-phase starting current limiter as in-line device for electric consumers with high starting currents. Limiting resistor NTC, visual fault indicator (LED), thermal overload protection, incorporated in plastic casing, can be snapped onto mounting rail TS 35.

IR: 16 AUPRI: 230 V

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ESBGT

Single-phase starting current limiters

Portable starting current limiter with 2-meter long mains cable with shock-proof plug. Output connection with shock-proof socket, max. 16 A. Number of switching actuations max. 1x/min. Primary connection 230 V, 50/60 Hz. Solid sheet-steel case with handle and rubber feet.

IR: 16 AUPRI: 230 V

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ESBH

Single-phase starting current limiters

Starting current limiters are voltage-controlled devices. Their functioning is based on a time-delayed bridging of the incorporated damping resistor which is set ex works. The time-lag is also set ex works for the ESB model (approx. 20 to 50 msec.). Available in cast plastic casing.

IR: 16 AUPRI: 110 - 400 V

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ESBD-K

Three-phase starting current limiters

Starting current limiters are voltage-controlled devices. Their functioning is based on a time-delayed bridging of the incorporated damping resistor which is set ex works. The time-lag is also set ex works for the ESBD-K model (approx. 20 to 50 msec.). Starting current limiter in plastic casing with snap fixation for mounting rail TS 35.

IR: 16 AUPRI: 400 - 500 V

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