Hitachi

Molded Case Circuit Breakers : F Series

FXK250-S, F-250FB, FXK250-H, F-250KC, F-400R, FX400, F-600F, FX600

TYPE FXK250-S F-250FB FXK250-H F-250KC F-400R FX400 F-600F FX600
Numner of Poles 2 (*1) 3 4 2(*1) 3 4 2 (*1) 3 4 2 (*1) 3 2 (*1) 3 4 3
Rated Current (A)
(Base ambient temperature 40℃)
125 150 175 200 225 250 125 150 175 200 225 250 250 300 350 400 200 / 225 / 250
300 / 350 /400
adjustable
500 600 300 / 350 /400
500 / 600
adjustable
Rated Insulation Voltage Ui (V) 690 690 690 690 690 690
Rated Impulse withstand Voltage Uimp (kV) 8 8 8 8 8 8
Rated
Breaking
Capacity (kA)
IEC 60947-2
(Icu/Ics)
AC 690V
440V 30 / 30 50 / 50 50 / 50 50 / 50 50 / 50 50 / 50
415V 30 / 30 50 / 50 50 / 50 50 / 50 50 / 50 50 / 50
400V 30 / 30 50 / 50 50 / 50 50 / 50 50 / 50 50 / 50
380V 30 / 30 50 / 50 50 / 50 50 / 50 50 / 50 50 / 50
240V 50 / 50 85 / 85 100 / 100 85 / 85 100 / 100 100 / 100 100 / 100 100 / 100
230V 50 / 50 85 / 85 100 / 100 85 / 85 100 / 100 100 / 100 100 / 100 100 / 100
DC 250V 25 / 13 40 / 20 40 /40 40 /40
125V 25 / 13 40 / 20 40 /40 40 /40
DimensionsDimensions a 105 140 105 140 140 185 140 210 280 210
b 165 165 257 257 274 274
c 68 103 68 103 103 103 103 103
d 95 127 95 127 133 133 141 141
Net Weight (kg) 1.6 3.1 1.6 3.1 5.3 6.1 8.2 5.1 5.9 10 13 9.7
Standard Connection Type Front Terminal Front Terminal Front Bar Terminal Front Bar Terminal Front Bar Terminal Front Bar Terminal
Phase Separator for Line Side ● (*2) ● (*2) ● (*2) ● (*2) ● (*2) ● (*2)
Interior
Accessories
Alarm Switch AL ○ (*3) ○ (*3) ○ (*3) ○ (*3)
Auxiliary Switch AUX ○ (*3) ○ (*3) ○ (*3) ○ (*3)
Shunt Trip SHT ○ (*3) ○ (*3) ○ (*3) ○ (*3)
Undervoltage Trip UVT
Terminal Block TB
TB2
Exterior
Accessories
Rear-connecting
Stud
STB
BSD
Flush Mounting Base
Assembly
GKW(STB)  
GK•GKW(BSD) ○ (GK) ○ (GK) ○ (GK)
Plug-in Mounting
Base Assembly
PK
Drawout Assembly PDK
Mechanical Interlock MIW MIW-4M MIW-4H MIW-4M MIW-4H MIW-5D MIW-5F MIW-5 MIW-5G
Motor-operating
Mechanism
MMK-S
MMK-C
MMK
Lock Cover LC LC-4J LC-4H LC-4J LC-4H
Handle Lock HL HL-4J HL-4J HL-5 HL-5 HL-6B HL-6B
Handle Operating
Mechanism
HA HA-210 HA-206 HA-210 HA-206 HA-405 HA-406 HA-402 HA-402
HM HM-S25 HM-S21 HM-S25 HM-S21 HM-405 HM-406 HM-402 HM-407
Terminal
Cover
Front Type TMC TMC-4J TMC-4H TMC-4J TMC-4H TMC-5B TMC-5B TMC-5D TMC-5D
Short Type TMC-4JS TMC-4JS
Long Type
Rear Type BTC BTC-4J BTC-4J BTC-5B BTC-5B
IEC Rail 35 mm
Automatic Tripping Device Thermal-Magnetic Thermal-Magnetic Thermal-Magnetic Electronic Relay Thermal-Magnetic Electronic Relay
Trip Button

Note

1
● : Standard      ○ : Option
2
2-pole types marked with (*1) are supplied in 3-pole type.
3
Please state "For DC" in case of DC use. Especially, state please state kind of the power supply in case of from 30 to 100AF.
4
Flush Mounting Base Assembly, GKW are standard in case of up to 250AF and FX400.
5
Please state that number of poles of breakers when order MIW.
6
Installation of phase separators is required in case of types marked (*2).
7
Tripping system of F-1000K and F-1200K are induction heat system, please state frequency when ordering.
8
For DC use, the tripping character is only instantaneous trip in case of F-1000K and F-1200K.
9
The accessories marked (*3) can be installed by customers.