BuyLog Flippingbook MAR 2024

6-25

MOLDED CASE CIRCUIT BREAKERS, BUYLOG SECTION 6

— Circuit breakers for motor protection Main characteristics

Several different factors must be considered when choosing and coordinating the protection and operating devices, e.g.: • the electrical specifications of the motor (type, power rating, efficiency, cosΦ); • the starting type and diagram; • the fault current and voltage in the part of the network where the motor is installed.

Motor protection

XT5

XT6 800

XT7

Frame size

[A]

400 - 600

800 - 1000- 1200

Poles

[No.]

3

3

3

(AC) 50-60Hz [V] 600

600 600

600 600

Rated service voltage

(DC) [V]

600

Versions

Fixed, Plug-in, Withdrawable

Fixed, Withdrawable Fixed, Withdrawable

Rating level

N S

H L

V

X

N S

H S

H L

Trip units for motor protection

–

–

–

–

–

–

– –

– –

– –

– –

– –

– –

MA (MCP)

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Ekip M Dip I (MCP)

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Ekip M Dip LIU (MPCB)

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Ekip M Touch LRIU (MPCB)

–

–

–

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