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Use 8 square mm cable with M5 wire terminal.
CAUTION
Be sure that the output of the step down transformer is AC100V ±10%. Irregular connection
causing higher voltage will result serious damage to the equipment.
Alternately the step down transformer may be put at the input of S-4800.
In the case, connect the input of the transformer to the main breaker of the site power supply.
Connect the out put to the Main breaker (ELB) of S-4800. Refer fig 1-5 for the connection.
However, the former way (put the step down transformer next to the S-4800 Main breaker) is
strongly recommended for safety.
Fig 1-5 Connection of the step down transformer
In both of above cases, ground the instrument at a grounding resistance lower than 100 ohms.
The grounding terminal must not be common to other electric equipment, i.e. exclusive grounding
should be provided.
NOTICE
The instrument provides one of following two types of Main ELB.
(1) For using with 200 to 240V power line
Leakage current breaker (with key lock, CE/UL conforming)
Capacity : 6.4kVA
Maximum current : 32A
Sensitive current : 30mA
Short-circuit breaking capacity : 25kA
(2) For using with 100V power line
Leakage current breaker(without key lock, CE or UL not conforming)
Capacity : 5kVA
Maximum current : 50A
Sensitive current : 30mA
Short-circuit breaking capacity : 5kA
Instruments shipped to USA and Europe area and ordered to meet S2 guideline provide the
type of above (1).
100/200V
Safety circuit
MAIN-ELB
50
A
Step Down Transformer
100V
Short
Current
Breaker