ESB-S - Single-phase starting current limiters

ESB-S

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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Application: Limitation of starting currents in electrical devices, e.g. transformers, electric motors, etc. The starting current limiter is connected directly in series to a device which is exposed to a high starting current. Design: The ESB-S design is constructed for a nominal current of 16 A. Experience shows that a limiting resistence of 5 ohms (standard) is generally sufficient. In certain cases, depending on the starting current peaks and, in particular, on the frequency of the peaks and/or the peak widths, longer ON delay or higher limitation resistances may prove to be necessary. Caution: Due to the incorporated overtemperature protection, the starting current limiter requires a certain cooling down phase between the switching cycles. The time between two switching cycles should be approx. one minute.


Variants overview

Rated current Article number Measurements Weight
Primary current PRI 230-400 V
SEC 230-400 V
PRI 110-230 V
SEC 110-230 V
a x b x c / L x B x HCU kgGes. kg
A
16 35 x 63 x 8500
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