Product Overview: GKD Port/1140 (660, 380V series general low-voltage switchgear, suitable for use in coal mine gas free, dust-free, non explosive hazardous areas and other metal mine similar underground central control rooms, underground parking lot main ventilation ducts and main ventilation duct distribution rooms. It is used as a distribution protection and control for three-phase AC 50Hz voltage 1140, 660 or 380V electrical equipment. This product is also suitable for use in power systems such as coal mines, metal mine ground substations, metallurgy, and chemical industries
Model and meaning:
Main technical parameters are large:
Rated voltage: 1140 (660, 380);
Rated current: 2500 (2000, 1600, 1250, 1000, 800, 630, 315, 250, 100) A;
Protection level: IP54
Main protection functions: short circuit protection, overload protection
Structure overview: The switchgear shell is made of 2.5mm thick cold-rolled steel plate, which can withstand the impact strength and strength test specified by national standards and the technical conditions of this product. Apply 1321 # arc resistant paint on the surface. The cable is led into the cable trench and sealed with explosion-proof adhesive after installation. The switchgear is fixed. The unused inlet during installation is blocked with explosion-proof adhesive.
Usage conditions and environment:
Altitude: 2000m;
Environmental temperature: -20 ℃ to 40 ℃;
Relative humidity: 95%;
In a gas or steam environment that does not damage insulation;
Fixed installation and use.
Before installation, check whether the nameplate, specifications, and explosion-proof type meet the requirements.
It is strictly prohibited to open the cover with electricity during use and maintenance.
The cable is led into the cable trench and sealed with explosion-proof adhesive after installation. The switchgear is fixed.
The switchgear is equipped with internal and external grounding terminals, which must be reliably grounded during installation
When connecting wires, multiple strands of wire must be crimped to suitable terminal blocks, securely pressed onto the terminal blocks, and there must be no scattered wire ends outside to prevent discharge.
Ordering Notice (must be specified when ordering)
1. Main circuit scheme number, purpose, single line system diagram, arrangement diagram, and distribution room layout plan, etc.
2. Schematic diagram and terminal arrangement diagram of auxiliary circuit wiring.
3. The model, specifications, and quantity of electrical components inside the switchgear.
4. Requirements for control, measurement, and protection functions of switchgear, as well as requirements for other locking and automatic devices.
5. If a busbar bridge connection is required between switchgear or incoming cabinets, specific requirements such as the rated current carrying capacity of the busbar bridge, the span of the busbar bridge, and the height above ground should be provided.
When attachments and spare parts are needed, the type and quantity should be specified.
7. Switchgear used in special environmental conditions should be specified in detail when ordering.
