Table 119 Power Input Specifications; Table 120 Power Input Specifications; Table 121 Fuse Specifications (Ies-1248-51A Only); Table 122 Fuse Specifications (Ies-1248-51, Ies-1248-53) - ZyXEL Communications IES-1248-51 User Manual

IES-1248-51/51A/53 User's Guide
Power Input
The following table lists the power input specifications.

Table 119 Power Input Specifications

IES-1248-51 AND IES-1248-53
-36 ~ -72 VDC, 2.5 A maximum.
Power Consumption
The following table lists the power consumption.

Table 120 Power Input Specifications

IES-1248-51 AND IES-1248-53
90 W maximum
Fuse Rating
The following specifications are for the IES-1248-51A.

Table 121 Fuse Specifications (IES-1248-51A only)

FUSE LOCATION
Front panel (AC inlet)
Note: Changing fuses for the IES-1248-51 and IES-1248-53 requires disassembly of
the device. Only a qualified technician should perform this.
The following specifications are for the IES-1248-51 and IES-1248-53.

Table 122 Fuse Specifications (IES-1248-51, IES-1248-53)

FUSE LOCATION
Mother Board
DC Switch Board
ALARM Port Power
The maximum power rating for the ALARM port is as follows:
• Input: no power, dry contact; use open or short circuits without any external input power
• Output: 20 V, 500 mA
446
IES-1248-51A
100~240 VAC, 50~60 Hz, 1.7A Max
IES-1248-51A
100 W maximum
FUSE RATING
250 VAC, Fast T4A
FUSE RATING
250 VAC, T5.0A
250 VAC, T6.3A