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Chapter 4 - Hardware Description
4-22
Fuse/Circuit Breaker (AC Power)
Currently, MGC-100 Control Units come equipped with a circuit breaker.
Previous models on the MGC-100 use one UL approved circuit breaker. The
specifications of the fuse are shown in Table 4-3.
The MGC-50 uses one UL approved fuse, Schurter Type no. 0001.1015. The
specifications of the fuse is also shown in Table 4-3.
Fans
Three fans are mounted at the bottom of the rear panel on the MGC-100. Each
fan has an alarm, which is monitored by that Main Control Module. The
system generates an alert upon failure.
Two fans are mounted at the bottom of the rear panel on the MGC-50.
Alarms Port
In the MGC-100, the main control module includes an Alarms port. The dry
contacts on the rear panel of the MGC-100 are for connecting to the
customer’s alarms system. The Alarms port has the following specifications:
Voltage rating: 60 V DC maximum
Current rating: 0.2 A maximum
For the MGC-50, no Alarms ports are in use.
Table 4-3: Fuse specifications
Voltage (V)
Previous MGC-100
Control Units without
circuit breakers
MGC-50 Specifications
Size 5 * 20mm 5 * 20 mm
Type Quick acting - F Quick acting - F
Rating 10A, 250V 12.5A, 250V