EPP-R3054 datasheet(67/75 Pages) ABB

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PROTEC TA PLUS MCB DIS TR IBUTION B OA R D 2 5 0A

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ESB installation contactors

Technical features

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ESB installation contactors technical features

Main Pole - Utilization Characteristics according to IEC

Contactor types:

AC operated

ESB20/EN20

AC/DC operated

ESB24/

EN24

ESB40/

EN40

ESB63

Rated operational voltage Ue max.

250

400

Rated frequency limits

50/60

DC or 50/60 Hz

Utilization category AC-1 / AC-7a

for air temperature close to contactor < 55 °C

Max. rated operational current Ie AC-1 / AC-7a

(NO) A

(NC) A

Rated operational power AC-1/

AC-7a

230 V - 1 phase

(NO) kW

5.5

9.2

14.5

400 V - 3 phases

(NO) kW

230 V - 1 phase

(NC) kW

5.3

8.8

6.9

400 V - 3 phases

(NC) kW

Utilization category AC-3 / AC-7b

for air temperature close to con-

tactor < 55 °C

Max. rated operational current Ie

AC-3/AC-7b

230 V - 1 phase

400 V - 3 phases

Rated operational power AC-3/

AC-7b

230 V - 1 phase

1.1

1.3

3.7

400 V - 3 phases

Rated making capacity AC-3/AC-7b

10 x Ie / AC-3

Rated breaking capacity AC-3/AC-7b

8 x Ie / AC-3

Short-circuit protection for contactors

gG type fuse

Rated short-time withstand cur-

rent Icw at 40 °C ambient temp.,

in free air, from a

cold state

10 s

176

240

Heat dissipation per pole

Ie / AC-1/AC-7a

Max. electrical switching fre-

quency

– for AC-1 / AC-7a

cycles/h

300

– for AC-3 / AC-7b

cycles/h

600

Electrical durability

– for AC-1 / AC-7a

cycles

150000

– for AC-3 / AC-7b

cycles

150000

500000

170000 240000

Mechanical durability

– millions of

operating cycles

1.000.000

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