GGD Type AC Low Voltage Fixed Power Distribution Switchgear

GGD ac low voltage fixed type switchgear is suitable for power plants, substations, industrial enterprises and other power users of ac 50 hz (60 hz), rated voltage 380 v (can be customized according to the local national standards), rated current 400 a ~ 1600 a power distribution system, as power, lighting, and electrical energy conversion, distribution and control of power distribution unit.

GGD type low-voltage fixed switch cabinet is a new type of low-voltage distribution cabinet designed in line with the principle of safety, economy, rationality and reliability according to the requirements of power users and design departments. The products have the characteristics of high breaking ability, good dynamic and thermal stability, flexible electrical scheme, convenient combination, series, strong practicability, novel structure and high protection level.

GGD type AC low voltage fixed switchgear complies with IEC 61439-2 "Low-voltage switchgear and control equipment", GB7251.12-2013 "Low-voltage switchgear and control equipment" standard.

Technical Parameters

Rated insulation voltage：660V

Rated working frequency：50Hz（60Hz）

The rated working voltage of the auxiliary circuit：ACl00、220、380V；DC110、220V（Can be customized according to local national standards）；

Rated working current：400A、630A、800A、1000A、1250A、1600A

Rated short-circuit breaking current：30kA.

Rated peak withstａnd current:：63kA.

Rated short-time withstａnd current：30kA.

Universal circuit breaker: DW15 series and other advantages of segmentation ability manufacturers electrical products, current levels include: 1600A, 400A.

Open knife switch: HD13 series and other high-quality switch-type electrical products with large flow capacity.

Copper row: The main busbar adopts tin-plated high-quality conductors such as TMY-10×100mm, and the PE grounding row adopts tin-plated high-quality conductors such as TMY-8×100mm, which has strong flow capacity.

Insulation parts: DMC series insulation parts, strong hardness, high temperature resistance.

Housing: protection class：IP30.

Dimensions：2200×（800~400）×（1000~600）mm(height × width × depth)，material: 1.5mm steel plate.

Structural Features

The frame is assembled by partial welding of 8MF cold-formed steel. Its strength and load carrying capacity meet the installation requirements of electrical components. Mounting holes of E=20mm and E=100mm modular arrays are respectively arranged on the frame to improve the versatility of product assembly.

The ZMJ type busbar clamp is a modular structure. It is thermoformed with high flame retardant PPO material. It has high mechanical strength and high dielectric strength. It can withstａnd the dynamic and thermal stability of 50kA and 105kA peak. The long-term allowable temperature. Up to 120 ° C.

The door is connected with the frame by galvanized hinge hinge, which is convenient for installation and disassembly. Rubber moldings are added to the flanges of the door.

The grounding knurled screw is connected between the mounting piece and the frame in the cabinet to form a complete grounding protection circuit.

The protection level of the front and back, top surface and two sides of the cabinet reaches IP30, and can also be selected between IP20 and IP40 according to user requirements.

In order to enhance ventilation and heat dissipation, ventilation holes are provided in the lower part, the rear upper part and the top of the cabinet body, so that the cabinet body forms a natural air passage during operation and has better heat dissipation performance. The cooling holes are sealed with steel mesh plates to ensure the protection level of the cabinet.

The top cover of the cabinet can be removed when needed, which is convenient for assembly and adjustment of the main bus on site.

The outer sheath of the cabinet is sprayed with a polyester-type baking varnish to eliminate glare and have strong adhesion. The fittings in the cabinet are galvanized and passivated to improve the "three-proof" performance.