Electrical Safety about AC/DC Operation for Huawei CloudEngine (CE) 8800,7800, 6800, and 5800 Series switches

Huawei Data Center Switch includes CloudEngine CE12800, CE12800E, CE1800V, CE5800, CE6800, CE7800, CE8800 Series. In this article, HongTelecom will introduce the Electrical Safety about AC/DC Operation for CE12800& CE8800& CE7800& CE6800& CE5800 series switches.

Grounding

• Ensure that the protection ground is reliably grounded in accordance with local building distribution specifications.
• For equipment requiring grounding, always connect the protection ground first and disconnect it last when installing the equipment.
• For the equipment using a socket with an earthing terminal, ensure that the earthing terminal is correctly grounded.

AC/DC Operation

 DANGER:

• Do not contact the power system supply directly or indirectly through damp material. The hazardous voltage may cause electric shock.

• Improper operation may cause accidents such as fire and electric shock.

• This device relies on the building’s installed overcurrent protection from short circuits. Check that all specifications are compatible before equipment installation.For CE5850-48T4S2Q-HI, ensure that a fuse or circuit breaker no larger than 240VAC, 20 A(for AC type), 80VDC, 20A(for DC type) is used on the phase conductors that include all current-carrying conductors.For CE5850-48T4S2Q-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type), 80VDC, 20A(for DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE5810-24T4S-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type), 80VDC, 20A(for DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE5810-48T4S-EI,ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type), 80VDC, 20A(for DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6850-48S4Q-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type), 80VDC, 20A(for DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6850-48T4Q-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6810-48S4Q-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type), 80VDC, 20A(for DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6850-48S6Q-HI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type), 400VDC, 20A(for high-voltage DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE7850-32Q-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6810-32T16S4Q-LI, ensure that a fuse or circuit breaker no larger than 240VAC, 20 A(for AC type), 80VDC, 20A(for DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6810-24S2Q-LI,ensure that a fuse or circuit breaker no larger than 240VAC, 20 A(for AC type), 80VDC, 20A(for DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6810-48S4Q-LI,ensure that a fuse or circuit breaker no larger than 240VAC, 20 A(for AC type), 80VDC, 20A(for DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6810-48S-LI,ensure that a fuse or circuit breaker no larger than 240VAC, 20 A(for AC type), 80VDC, 20A(for DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6850-48S6Q-HI,ensure that a fuse or circuit breaker no larger than 240VAC, 20 A(for AC type), 80VDC, 20A(for DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6850-48T6Q-HI,ensure that a fuse or circuit breaker no larger than 240VAC, 20 A(for AC type), 400VDC, 20A(for high-voltage DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6851-48S6Q-HI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type), 80VDC, 20A(for DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6850U-48S6Q-HI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type), 400VDC, 20A(for high-voltage DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6850U-24S2Q-HI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type), 400VDC, 20A(for high-voltage DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE5855-48T4S2Q-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type), 80VDC, 20A(for DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE5855-24T4S2Q-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type), 80VDC, 20A(for DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE8850-32CQ-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type) is used on the phase conductors that include all current-carrying conductors.

  For CE8850-64CQ-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 25A(for AC type), 400VDC, 25A(for high-voltage DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE8860-4C-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 25A(for AC type), 400VDC, 25A(for high-voltage DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE8861-4C-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 25A(for AC type), 400VDC, 25A(for high-voltage DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE8868-4C-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 25A(for AC type), 400VDC, 25A(for high-voltage DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6855-48S6Q-HI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6855-48T6Q-HI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type), 400VDC, 10A(for high-voltage DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6856-48S6Q-HI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6856-48T6Q-HI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type), 400VDC, 10A(for high-voltage DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6860-48S8CQ-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6865-48S8CQ-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6870-24S6CQ-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6870-48S6CQ-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6870-48T6CQ-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6875-48S4CQ-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type), 400VDC, 20A(for high-voltage DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6880-24S4Q2CQ-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type), 80VDC, 20A(for DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6880-48S4Q2CQ-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type), 80VDC, 20A(for DC type) is used on the phase conductors that include all current-carrying conductors.

  For CE6880-48T4Q2CQ-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type) is used on the phase conductors that include all current-carrying conductors.

  For CE7855-32Q-EI, ensure that a fuse or circuit breaker no larger than 240VAC, 20A(for AC type) is used on the phase conductors that include all current-carrying conductors.

  For CE12804, ensure that a fuse or circuit breaker no larger than 240 Vac, 20A(for each AC supplied module), 60Vdc, 63A(for each DC supplied module), 240Vdc, 20A(for each high-voltage DC supplied module) is used on the phase conductors that include all current-carrying conductors.

  For CE12808, ensure that a fuse or circuit breaker no larger than 240 Vac, 20A(for each AC supplied module), 60Vdc, 63A(for each DC supplied module), 240Vdc, 20A(for each high-voltage DC supplied module) is used on the phase conductors that include all current-carrying conductors.

  For CE12812, ensure that a fuse or circuit breaker no larger than 240 Vac, 20A(for each AC supplied module), 60Vdc, 63A(for each DC supplied module), 240Vdc, 20A(for each high-voltage DC supplied module) is used on the phase conductors that include all current-carrying conductors.

  For CE12816, ensure that a fuse or circuit breaker no larger than 240 Vac, 20A(for each AC supplied module), 60Vdc, 63A(for each DC supplied module), 240Vdc, 20A(for each high-voltage DC supplied module) is used on the phase conductors that include all current-carrying conductors.

  For CE12804S, ensure that a fuse or circuit breaker no larger than 240 Vac, 20A(for each AC supplied module), 60Vdc, 63A(for each DC supplied module), 240Vdc, 20A(for each high-voltage DC supplied module) is used on the phase conductors that include all current-carrying conductors.

  For CE12808S, ensure that a fuse or circuit breaker no larger than 240 Vac, 20A(for each AC supplied module), 60Vdc, 63A(for each DC supplied module), 240Vdc, 20A(for each high-voltage DC supplied module) is used on the phase conductors that include all current-carrying conductors.

  For CE12804E, ensure that a fuse or circuit breaker no larger than 240 Vac, 20A(for each AC supplied module), 60Vdc, 63A(for each DC supplied module) is used on the phase conductors that include all current-carrying conductors.

  For CE12808E, ensure that a fuse or circuit breaker no larger than 240 Vac, 20A(for each AC supplied module), 60Vdc, 63A(for each DC supplied module) is used on the phase conductors that include all current-carrying conductors.

  For CE12816E, ensure that a fuse or circuit breaker no larger than 240 Vac, 20A(for each AC supplied module), 60Vdc, 63A(for each DC supplied module) is used on the phase conductors that include all current-carrying conductors.

• If the power input of the equipment is permanent, ensure that an easy-to access disconnection device is installed on the exterior of the equipment.
• Use AC-supplied models for TN, TT power systems.
• For DC-supplied models, use reinforced insulation or double insulation to isolate the DC source from the AC mains supply.
• Before connecting equipment, disconnect the corresponding external-equipment circuit breaker.
• Before connecting the load (electrical equipment) or battery cable, verify that the input voltage is within the rated voltage range of the equipment.
• Before connecting the load (electrical equipment) or battery cable, check the cable and terminal polarities to avoid reverse connection.
• Before powering on, verify that equipment electrical connections are correct.
• If the device has more than one power supply, disconnect all of them when powering off the device.

 

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