Lenze 8400 Manuel d'utilisateur télécharger pdf (Page 160)

Electrical installation

Safety instructions for the installation according to U

or U



160

EDS84ASC552 EN 9.1

6.1.6 Safety instructions for the installation according to U

or U

Original - English

 Warnings!

ƒ The integral solid state protection does not provide branch circuit protection

and that branch circuit protection has to be provided externally in

accordance with manufacturers instructions, the National Electrical Code

and any additional codes.

ƒ Branch circuit protection (240 V devices)

Suitable for use on a circuit capable of delivering not more than:

– 5000 rms symmetrical amperes, 240 V maximum (240 V devices).

– 200k rms symmetrical amperes, 240 V maximum when protected by

CC, J, T or R class fuses.

– 50k rms symmetrical amperes, 240 V maximum when protected by a

circuit breaker having an interrupting rating not less than 50k rms

symmetrical amperes, 240 V maximum.

ƒ Branch circuit protection (400 V/500 V devices, 0.37 ... 22 kW)

Suitable for use on a circuit capable of delivering not more than:

– 5000 rms symmetrical amperes, 400 V/500 V maximum.

– 200k rms symmetrical amperes, 500 V maximum when protected by

CC, J, T or R class fuses.

– 50k rms symmetrical amperes, 500 V maximum when protected by a

circuit breaker having an interrupting rating not less than 50k rms

symmetrical amperes, 480 V/277 V

 maximum.

ƒ Branch circuit protection (400 V/500 V devices, 30 ... 45 kW)

Suitable for use on a circuit capable of delivering not more than:

– 10k rms symmetrical amperes, 500 V maximum, when protected by

CC, J or T class fuses.

– 200k rms symmetrical amperes, 500 V maximum when protected by

CC, J or T class fuses.

ƒ Branch circuit short circuit protection with fuses in accordance with UL248

or circuit breaker, 400 V/480 V

 maximum, in accordance with UL489.

Voltage o f the fuses or circuit breakers must at least be suitable with the

input voltage of the drive. The specific fuse/circuit breaker sizes and

allowable circuit breaker manufacturers and types for each inverter are

showninthetablebelow.

1 2 ... 155 156 157 158 159 160 161 162 163 164 165 ... 303 304

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Lenze 8400 Manuel d'utilisateur Page 160

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