Limitatori di corrente di inserzione

Avviamento dolce per utenze elettriche monofase e trifase

Correnti d'inserzione elevate, ad esempio all'avviamento di motori elettrici, possono danneggiare o interferire con la rete di alimentazione e le altre utenze collegate. I limitatori di corrente di inserzione con comando a tensione impediscono forti disrupzioni della tensione di rete e sovraccarichi da picchi di corrente. Il limitatore di corrente di inserzione lavora con una resistenza di limitazione (NTC) preimpostata, che riduce la corrente d'inserzione di modo che l'utenza si avvii più lentamente. Dopo un ritardo definito l'NTC è automaticamente bypassato dal limitatore di corrente di inserzione ed è disponibile la piena potenza. ISMET fornisce limitatori di corrente di inserzione in tante forme costruttive per diverse varianti di impiego e di montaggio.

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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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