MNS Low Voltage Withdraw Switchgear

Prodcut overview This series of low-voltage extraction switchgear is a kind of combined cabinet assembled by factories (FBA) with standard modules. Its technology has reached the international level at the end of the decade. This series of low-voltage extractive switchgear is suitable for power...

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Description

Prodcut overview

This series of low-voltage extraction switchgear is a kind of combined cabinet assembled by factories (FBA) with standard modules. Its technology has reached the international level at the end of the decade. This series of low-voltage extractive switchgear is suitable for power conversion, distribution and distribution of distribution equipment in power plant, substation, petrochemical industry, metallurgical steel rolling, traffic energy, light industry textile industry, residential area, high-rise building and other places, as AC 50HZ-60HZ, rated working voltage AC 660V and below. Use of control.

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Basic technical parameters

1.Electrical performance

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2. Protection Level
Complying with IEC 529 and DIN 40050 standards
IP30 for solid protection greater than 2.5mm
IP40 for solid protection greater than 1.0mm
Ip54 protects against dust and splash in any direction
(The order of IP54 protection level should be negotiated with the manufacturer)

Switchgear type

1. Distance between power distribution centers (PC): Emax, MT, 3WN, AN, ME series circuit breakers can be used.

2. Motor Control Center Distance (MCC): It is assembled by drawers of large and small size. The main switches of each circuit are high-breakinq plastic case circuit breaker or rotating load switch with fuse. Power factor automatic compensation cabinet (with manual, automatic and remote power factor compensation device).

Switchgear type
1. The total charge of the functional unit compartment is 72E.
2. In the same device, the general arrangement rule of functional units is that small functional units are on the top and large functional units are on the bottom
3.8E/4 drawer is composed of four 8E installation units, 8E/2 drawer is composed of two 8E installation units, or two 8E/4 drawers and one 8E/2 drawer is composed of one 8E installation unit.
4. The current transformer described in the scheme is the maximum number of installations in this scheme (from scheme 01 to 19.21 to 39. one current transformer can be added for reactive power compensation). In practical use, it can be reduced or not installed according to system requirements.
5. The depth of the device is 600 mm (MCC single-side cabinet) and 1000mm (pc and MCC double-side cabinet). It is recommended that PC and MCC be arranged separately. When usinq seqmented function boards, PC and MCC can be mixed and assembled in the same cabinet.
6. When PC and MCC devices are arranged adjacent to each other, then:
(1) When MCC double-sided cabinets (or MCC single-sided cabinets with 600 depths) are arranged adjacent to PC cabinets, a transfer cabinet (whose width is 400 mm) must be added between the two cabinets as shown in the fiqure below.

(2) When the MCC of one-sided operation is deepened to 1000mm, the transfer cabinet may not be added, as shown in the figure below.

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