Replace Surge Protection Device (Spd) - Delta M88 Series Operation And Installation Manual

Maintenance
If it's necessary to remove the insulator plate
of wiring box during Cabling or maintenance,
the insulator plate must be put back in to the
wiring box before re-install the cover, refer the
figure right.
* Screw torque required for assembling:
8 kgf.cm (0.8 N•m)

5.2 Replace Surge Protection Device (SPD)

M88 series models have the surge protection device (SPD) at both AC and
DC side as shown in Figure 5-3. Table 5-1 summarizes the specifications of AC
and DC SPD.
Specification of SPD
Work voltage : 895V (AC RMS value)
Work Amp In (8/20μs) : 10kA
Rate Amp I max (8/20μs) : 20kA
Temperature : -40℃∼85℃
Manufacturers :
Sichuan Zhongguang Lightning Protection Technologies Co., Ltd
ATTENTION
Figure 5-3 : AC and DC SPD
Table 5-1 : SPD Specifications
1175V (DC)
66
Insulator plate