Sigma II User’s Manual Chapter 5: Parameter Settings and Functions
5-128
External Mounted DB Contactor Specification
Note: If the customer uses a contactor other than the one specified above, choose a contactor that is closest
to the one specified above. Most importantly choose a contactor that has a coil resistance value higher
than the one listed above.
Install the Main Circuit Surge Absorption Unit, and Coil Surge Absorption Unit
(Chosen by the Customer) to the Contactor as illustrated below.
Make sure that the contactor can withstand the surge current as shown below.
Model SC-4-1/G DC24V
Maker Fuji Electric Co. , Ltd.
Standard Coil Voltage DC24V
Coil Resistance 90W ±10%
Operating
Time
Coil ON
contactor ON
44~48mSEC
Coil OFF
contactor OFF
22~28mSEC
Rated Current 32A
Rated Using Current (Resistor Load (AC1))
380-440V
32A
Main Circuit Surge Absorption Unit
(Fuji Electric Co., Ltd.)
SZ-ZM1 (Radial Lead)
or
SZ-ZM2 (Axial Lead)
Coil Surge Absorb Unit
(Fuji Electric Co., Ltd.)
SZ-Z4
Main Circuit Surge Absorption Unit
DB Resistor
Coil Surge Absorption Unit
DB Contactor
Servopack
DU DV DW
DBON
DB24
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