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3.4 Switch Setting Adjustment
Access to switches is achieved by removing control unit from base, unclipping plastic panel from rear of control unit
and sliding PCB from housing. After setting switches, reassemble by reversing the disassembly procedure.
There is one set of four switches on the pcb of the MES*L unit, which is labelled SW1. This has four colour coded switches
which can be off to the left (in the diagram above) towards the word OFF on the switch itself, or ON to the right, in the direction
of the arrow towards the numbers 1, 2, 3 and 4.
4.0 Technical Specifications
Main relay output
Fault relay
Power supply
Temperature range
Housing
Dimensions : mm
Mounting holes
Sensor power (for 1 or 2 separate Mobrey
Electrosensor)
ATEX
LED Indicators
Max. cable resistance each core
Weight
Maximum altitude
Maximum humidity
Figure 3 :
5 amp SPCO resistive 250V a.c.
5 amp SPCO resistive 250V a.c.
110/120v a.c. ± 10%
220/240v a.c. ± 10%
50/60 Hz
-20°C to + 65°C
IP20 enclosure designed for wall mounting
with 2 screws. Optional DIN rail adaptor
available
H = 150 x W = 75 x D = 112
2 x 3mm Ø on C/L 100mm apart
12v DC nominal
Intrinsically safe
II (1) G [EEx ia] IIC
1 (Green) main relay on
2 (Yellow) main relay off
3 (Yellow) fault relay off
NOTE: Fault relay is energised in normal state,
de-energised or off in the fault condition
100 ohms
600 grams
2000 m
95%
Page 4
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