XL-21 series low voltage AC power
update£º2015-03-20 10:58 Click£ºtimes
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I. Scope of application The XL-21 series low voltage AC power distribution cabinet applies to power generation and distribution sectors and industrial and mining enterprises which employ the three-phase three-wire, three-phase four-wire an
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I. Scope of applicationThe XL-21 series low voltage AC power distribution cabinet applies to power generation and distribution sectors and industrial and mining enterprises which employ the three-phase three-wire, three-phase four-wire and three-phase five-wire systems below AC 690V as dynamic lighting distribution.
II. Normal applicable conditions
1. Ambient temperature: ambient air temperature: no more than +40¡æ and no less than -25¡æ; The average temperature measured within 24 hours shall be no more than +35¡æ. During storage and transportation, the temperature shall be from -25¡æ to 55¡æ.The temperature shall be no more than 70¡æ in short period of time (no more than 24 hours normally).
2. Elevation: no more than 2000m;
3. Relative humidity: The relative air humidity at +40¡æ(maximum temperature) shall be no more than 50%;
4. The inside of the room shall be free from dust, corrosive gas, ponding, shock or jolt, and the installation tilt shall be no more than 5°;
5. The equipment shall be installed at place without violent vibration and shock and place will not cause corrosion to the electronic components and material.
III. Technical parameters
1. Rated operational voltage: AC230V/AC400V£»
2. Maximum rated operational current: 63A-1000A£»
3. Rated insulation voltage ≤690V/AC£»
4. Frequency: 50Hz£»
5. Protection grade: IP2X-IP3X£»
6. Short-time withstand current: 3KA-42KA;
7. Peak withstand current: 6KA-65KA;
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