Huawei PDU8000 Series - Spd

PDU8000 Modular Precision PDC V2.0
User Manual
3 Overview
Issue 03 (2018-01-25)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
26
Table 3-12 MCB functions and specifications
Item
Remarks
Functions
Connects and disconnects the circuit under normal working status.
Provides overload and short-circuit protection.
Specifications
Rated voltage:

IEC 1P: 250 V AC

IEC 3P: 440 V AC

UL489 1P, 3P: 277/480 V AC
Rated insulation voltage: 440 V AC
Rated frequency: 50 Hz/60 Hz
Operating temperature: -25°C to +55°C
Rated short-circuit resistance: IEC/EN 60898 Icn = 6 kA
Rated limiting short-circuit breaking capacity: 6 kA
Rated surge voltage tolerance (1.2/50): 4 kV
Pyromagnetic tripping:

B: 3 In ≤ Im ≤ 5 In

C: 5 In ≤ Im ≤ 10 In

D: 10 In ≤ Im ≤ 20 In

K: 10 In ≤ Im ≤ 14 In

Z: 2 In ≤ Im ≤ 3 In
3.6.5 SPD
Figure 3-22 SPD appearance