Single-phase starting current limiters

ESB-S

 
esb_s.jpg
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. 
Special voltages
UPRI: 110 - 400 V
Red Art.-No. available ex stock
Order specifications
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Rated current 
Article-no. for standard transformers 
Dimensions 
Weight 
Nenn-
strom
Begrenzungs-
widerstand
PRI
Spannungsbereich
PRI
Spannungsbereich
PRI
PRI

a

b

c


Cu
kg
Ges.
kg
 
A
Ohm

SEC
110..230 V
SEC
230..400 V
SEC
SEC

 



 
16
 

717224 
711364 
 
 

35
63
85
      

0 
0,09 
 
Note:
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.
Options:
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.
 
Wiring Diagram

esb-s.jpg
 
Dimensions

esb-s.jpg
 

Column #col3

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