summary
mdmax st is designed by abb company and fully type test (abbreviated tta) of modular multi-functional low-voltage cabinet. product complies with iec60439-1 and gb7251.1-2005 and other relevant standards, it can be widely used in the electronics industry, the mining industry, the tobacco industry, municipal facilities, commercial buildings, high-end residential and other areas.
1. comprehensiveness: the full range of abb low voltage electrical components. include. megamax and e anxious air circuit breakers, isoma × t anxious and molded case circuit breakers, a series of contacts and ta series of relays such as starting and the like, the composition of sound and reliable low-voltage distribution systems.
2. reliability: are designed and tested in accordance with international standards;
3. modular: from standardized prefabricated components, you can quickly manufacture, easy to modify and cost savings.
4. intelligent: may contain elements protected and advanced communication functions integrated into the device. for power distribution and motor protection.
conditions of use
indoor temperature: not lower than -5 ℃, not higher than + 40 ℃, no higher than the average mesh + 35 ℃
altitude: not exceed 2000m
relative humidity: + 40 ℃ not more than 50, a lower temperature allows a higher relative humidity (up to 90% when the ambient temperature is 20 ℃).
basic earthquake intensity: no more than 7 degrees
mdmax st structural features
1, the switchgear is divided into four parts: the bus room, functional unit room, cable room and a secondary transverse control line wiring area. based on conventional safety system requirements for the commissioning and maintenance of the space or chamber are fitted with separate door.
2, mdmax st's frame is made of self-supporting frame structure by a double hem g profiles assembled on the skeleton to 25mm intervals arrangement modulus hole, convenient and extremely sturdy cabinet assembly. the whole framework consists of horizontal and vertical precision bolt connection, frame structure maintenance. skeleton, partitions, mounting plates are made of aluminum zinc coated steel.
3, installation of switching elements are fixed, drawer, removable, plug-in, you can freely mix according to different requirements. drawer units drawn into 1/4
drawer, 1/2 drawer unit and full-width drawer (drawer height: 1u 1.5u 2u 3u, u = 200mm), with the specifications of the drawer can be completely interchangeable. drawer consists of fixed part and the movable member (connector). drawer fixing member is pushed into the switchgear unit cell, closed cell assembly chamber door, insert the joystick, you can move the drawer member between the isolation, test and connect the three-position sequential conversion. window display with led indication of the position of the state by the connector.
4, the cabinet size
high cabinet: 2200mm
cabinet width: 600mm, 800mm, 1000mm and 1200mm
cabinet depth: 800mm, 1000mm
5, protection class: ip40
