MNS type low voltage withdrawable switch cabinet
MNS type low voltage withdrawable switch cabinet
Tel: 86-513-88780188
MNS type low voltage withdrawable switch cabinet
Product Description
Overview
This device is a modular low-voltage switchgear (hereinafter referred to as the device) assembled by the factory with standard modules. This device is suitable for power supply systems with AC 50-60HZ, rated working voltage 660V and below, and is used for power generation, transmission, and distribution. Electricity, electric energy conversion and control of electric energy consuming equipment.
This device complies with IEC439, VDE660 Part 5 and GB7251.12-2013 "Low-Voltage Complete Switchgear" national standard, ZBK36001-89 "Low-Voltage Withdrawable Complete Switchgear" professional standard.
Features
The withdrawable switchgear is a new product developed recently. Its technical level has reached the international advanced level in the 1990s.
Compact design: more functional units can be accommodated in a smaller space.
Strong structural versatility. Flexible assembly: The C-shaped profile with 25mm as the modulus can meet the requirements of various structural types, protection levels and use environments.
Using standard module design: they can be composed of standard units such as protection, operation, conversion, control, adjustment, measurement, indication, etc., and users can choose and assemble them according to their needs. With more than 200 kinds of assembly parts, different schemes of frame structure and drawer unit can be formed.
Safety: A large number of high-strength flame-retardant engineering plastic components are used to effectively strengthen the protection and safety performance.
High technical performance: The main parameters have reached the contemporary international technical level.
Use environmental conditions
1. The ambient air temperature is not higher than +40℃, not lower than -5℃, and its average temperature within 24h is not higher than +35℃.
2. Atmospheric conditions, clean air, relative humidity does not exceed 50% when the highest temperature is +40℃, higher relative temperature is allowed at lower temperature, for example 90% at +20℃, but should be considered When the temperature changes, moderate condensation may occasionally occur.
3. The altitude does not exceed 2000m.
4. This device is suitable for the transportation and storage process at the following temperature: between -25℃ and +55℃, it can reach +70℃ in a short time (not more than 24h). The device should not be subjected to these extreme temperatures. To any irreversible damage, and should be able to work normally under normal conditions.
5. If the above conditions of use cannot be met, it should be resolved by the user and the manufacturer through negotiation.
6. When this device is used in offshore oil drilling platforms and nuclear power plants, a separate technical agreement should be signed.
Electrical performance
1. Rated insulation voltage 660V
2. Rated working voltage 380V, 660V
3. The maximum working current of the main busbar 5500A (IPOO) 4700A (IP30)
4. Main busbar short-time (1S) withstand current 100kA (effective value)
5. The short-time peak current of the main busbar 250kA (maximum)
6. Distribution bus (vertical bus) maximum working current 1000A
7. Distribution bus (vertical bus) short-time peak current standard 90kA (maximum)
Reinforced 130kA (maximum)
Protection level
Conform to IEC529, DIN40050 standards
IP30 protection against solids greater than Ф2.5mm
IP40 for solid protection of Dagan Ф1.0mm
IP54 protects against dust and splashes in any direction
(Please consult with the manufacturer when ordering IP54 protection level)
Switch cabinet type
Power Distribution Center Cabinet (PC)
Using ME, F, M, AH series circuit breakers
Motor Control Center Cabinet (MCC)
Is assembled by large and small drawers, and the main switch of each circuit adopts high-breaking plastic case circuit breaker or rotary load switch with fuse.
Power factor automatic compensation cabinet
Cabinet structure
The basic structure of the switchgear cabinet is composed of C-shaped profile assembly. The C-shaped profile is made by bending a steel plate with E=25mm as the module mounting hole. All cabinet frames and inner partitions are galvanized and passivated. The surrounding door panels and the side panels are treated with electrostatic spraying.
Keyword:
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