USED FUJI SG33B 10A

The Fuji Electric SG33B 10A is a 3-pole Earth Leakage Circuit Breaker (ELCB) from Fuji's SG series, part of the G-TWIN product family. It features a 30AF frame with a 10-amp rated current and is designed to provide simultaneous overcurrent, short-circuit, and ground-fault protection in industrial and commercial power distribution systems. The SG33B conforms to JIS and IEC 60947-2 international standards and includes a built-in test button for verifying the leakage tripping function. The unit is housed in a flame-retardant thermoplastic molded case (UL94 rated) and is suitable for DIN rail or panel mount installation in industrial control panels, motor branch circuits, and distribution boards.
Specification
Value
Brand
Fuji Electric
Model / Part Number
SG33B 10A
Product Type
Earth Leakage Circuit Breaker (ELCB)
Series
SG Series (G-TWIN)
Rated Current (In)
10 A
Number of Poles
3
Rated Frame Current (AF)
30 AF
Rated Insulation Voltage (Ui)
AC 690 V
Max Rated Operational Voltage (Ue)
AC 440–550 V
Impulse Withstand Voltage (Uimp)
8 kV
Rated Frequency
50/60 Hz
Interrupting Capacity (Icu) @ 440V AC
2.5 kA
Utilization Category
A
Trip Type
Thermal-Magnetic
Earth Leakage Protection
Yes — ELCB with built-in ZCT
Test Button
Yes
Mounting Type
DIN Rail or Panel Mount
Standards
JIS, IEC 60947-2
Phase Loss Ground Fault Protection
Yes (IEC 60947-2 Revised)
Current Type
AC
We warranty all items for 30 days from date of purchase.