MNS low-voltage withdrawable switchgear
Category:
Keywords: Electrical Equipment
- Description
MNS low-voltage withdrawable switchgear
-
- Commodity name: MNS low-voltage withdrawable switchgear
The MNS low-voltage withdrawable switchgear is a modular cabinet configuration assembled at the factory using standard modules (FBA).
Overview
The MNS low-voltage withdrawable switchgear is a modular cabinet configuration assembled in the factory using standardized modules (FBA).
The MNS low-voltage withdrawable switchgear is suitable for power distribution, conversion, and control applications in power plants, substations, petrochemical facilities, metallurgical rolling mills, transportation and energy sectors, light industry and textile enterprises, as well as residential communities and high-rise buildings. It is designed for AC power systems with a frequency of 50–60 Hz and a rated operating voltage of 660 V or less. This equipment complies with the national standards GB 7251.1 “Low-Voltage Switchgear and Controlgear Assemblies” and JB/T 9961 “Low-Voltage Withdrawable Switchgear Assemblies,” as well as international standards such as IEC 439-1 and Part 5 of VDE 0660.Model and Meaning
Operating Environment Conditions
◆ The ambient air temperature shall not exceed +40°C or fall below -5°C, and the 24-hour average temperature shall not exceed +35°C;
◆ Atmospheric conditions: The air shall be clean, with relative humidity not exceeding 50% at a maximum temperature of +40°C. At lower temperatures, higher relative humidity is permissible—for example, 90% at +20°C—provided that temperature fluctuations are taken into account, as condensation may occasionally occur.
◆ Altitude not exceeding 2000 m;
◆ This device is suitable for transportation and storage within the following temperature range: –25°C to +55°C, with the ability to withstand brief exposure (not exceeding 24 hours) to temperatures as high as +70°C. Under these extreme temperature conditions, the device shall not sustain any irreversible damage and shall continue to operate normally under standard conditions.
◆ If the aforementioned operating conditions cannot be met, the user and the manufacturer shall resolve the issue through consultation;
◆ When this equipment is used on offshore oil drilling and production platforms and nuclear power plants, a separate technical agreement shall be executed.Basic Technical Parameters – Electrical Performance
Project Unit Parameters Rated Insulation Voltage V 660 (1000) Rated operating voltage V 380, 660 Maximum Operating Current of the Main Busbar A 5000 Rated Withstand Current of the Main Busbar kA/1s 100 Rated Peak Withstand Current of the Main Busbar kA/0.1s 220 Maximum Operating Current of the Distribution Busbar (Vertical Busbar) A 1000 Peak Current for Distribution Busbars (Vertical Busbars) (Standard / Reinforced Type) kA/0.1s 105 (maximum), 176 (maximum) Protection Level
Complies with IEC 529 and DIN 40050 standards.
IP30: Protection against solid objects larger than Φ2.5mm
IP40 protection against solid objects larger than 1.0 mm
IP54 provides protection against dust and splashing from any direction.
(Consult with the manufacturer when ordering IP54 protection rating.)
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Henan Jinyu Electric Co., Ltd.
Service Hotline:400-688-0375
Tel:+86-18103909516
Email:hnjydq1999@126.com
Address: South Section of Chuangye Road, Ji County Industrial Cluster, Henan Province, Central Plains Electric City
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