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4.3 Electrical Wiring
WARNING
Keep the power supply to the pump turned off and locked out until
you have finished the wiring and connecting work. Interrupt the
Earth Leakage Breaker (ELB) or circuit breaker (CB).
4.3.1 Power Supply Wiring
CAUTION
Ensure that the grounding wire is connected. Connect this
product to a grounded, metallic, permanent wiring system.
CAUTION
Match the wiring size and material to the power consumption and
ambient air temperature of the pump.
CAUTION
Use the threaded-coupling power connector provided with the
pump. At the power source size connect direct to distribution
panel wiring terminals or use a twist-lock, Hubbel-type connector.
Wire the connector for the main power supply (200V AC at 3-phase and 50Hz, 200-220V AC
at 3-phase and 60Hz). See figure and tables below for connector pin assignments and
specifications.
Ｄ A
Ｃ Ｂ
Table 4.3 Receptacle Specifications
Pump Model A70W A30W A25S A10S A07V
Receptacle
manufacturer
Japan Aviation Electronics Industry Co., Ltd.
Receptacle type MS3102A 22-22P MS3102A 20-4P
Current A (50/60 Hz) 29.5 / 28.1 19.7 / 18.5 18.3 / 17.5 11.7 / 18.5 8.4 / 8.6
Adapted plug type MS3106B 22-22S MS3106B 20-4S
Suitable wire AWG #8 - #10 AWG #12 - #14
No. Phase
A R
B S
C T
D Ground
Table 4.2 Pin Assignments
Power Supply Receptacle
Figure 4.4 Power Supply Receptacle
(As seen from connecting side)
EBARA Corporation
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