Hitachi

Molded Case Circuit Breakers : M Series

MS-30E, MS-50EB, MS-50SB, MS-100SB, MFXK100-S, MS-225SB, MSXK225, MFXK225-S

Type MS-30E MS-50EB MS-50SB MS-100SB MFXK100-S MS-225SB MSXK225 MFXK225-S
Number of poles 3 3 3 3 3 3 3 3
Rated Current (A)
(Base ambient temperature 40℃)
0.8 1.2 1.4 2 2.5 4 5 6.3 7.1 8 10 12 16 25 32 10 12 16 25 32 40 45 0.7 1.4 2.3 2.6 4.2 5.6 7.4 9 10 14 16 25 33 40 45 60 75 90 60 75 90 125 150 175 225 125 150 175 225 125 150 175 225
Rated Insulation Voltage Ui (V) 500 500 690 690 690 690 690 690
Rated Impulse withstand Voltage Uimp (kV) 4 4 6 6 8 6 6 8
Rated Breaking Capacity (kA) IEC 60947-2 (Icu/Ics) AC 690V — — — — — — — —
500V — — 1.5 / 1 2.5 /1 10 / 10 5 / 3 5 / 3 10 / 5
440V — — 2.5 /1 10 / 3 30 / 30 8 / 15 8 / 15 30 / 15
415V 1.5 / 1 1.5 / 1 2.5 /1 10 / 3 30 / 30 8 / 15 8 / 15 30 / 15
400V 1.5 / 1 1.5 / 1 2.5 /1 10 / 3 30 / 30 8 / 15 8 / 15 30 / 15
380V — — 2.5 /1 10 / 3 30 / 30 8 / 15 8 / 15 30 / 15
240V — — 7.5 / 2 35 / 9 50 / 50 35 / 18 35 / 18 50 / 25
230V 5 / 2 5 / 2 7.5 / 2 35 / 9 50 / 50 35 / 18 35 / 18 50 / 25
Dimensions (mm)Dimensions a 75 75 75 75 90 105 105 105
b 96 96 130 130 150 165 165 165
c 60 60 60 60 68 60 68 68
d 76 76 84 84 94 85 95 95
Net Weight (kg) 0.37 0.37 0.6 0.74 1.6 1.6 1.6 1.6
Standard Connection Type Front Terminal Front Terminal Front Terminal Front Terminal Front Terminal Front Terminal Front Terminal Front Terminal
Phase Separator for Line Side(*2) — — ○ ●(*2) ●(*2) ●(*2) ●(*2) ●(*2)
Interior Accessories Alarm Switch AL ○ ○ ○ ○ ○ ○ ○ (*3) ○ (*3)
Auxiliary Switch AUX ○ ○ ○ ○ ○ ○ ○ (*3) ○ (*3)
Shunt Trip SHT ○ ○ ○ ○ ○ ○ ○ (*3) ○ (*3)
Undervoltage Trip UVT — — — — — — — —
Terminal Block TB — — ○ ○ ○ ○ ○ ○
TB2 ○ ○ ○ ○ ○ ○ ○ ○
Exterior Accessories Rear-connecting Stud STB — — STB-2M STB-3K — — — —
BSD — — — —   ○ ○ ○
Flush Mounting Base Assembly GKW(STB) — — ○ ○ — — — —
GK•GKW(BSD) — — — —   ○ ○ ○
Plug-in Mounting Base Assembly PK — — ○ ○ ○ — — ○
Drawout Assembly PDK — — — — — — — —
Mechanical Interlock MIW — — MIW-2E MIW-2E   MIW-4F MIW-4L MIW-4M
Motor-operating Mechanism MMK-S — — — — ○ ○ — —
MMK-C — — — — — — — —
MMK — — — — — — — —
Lock Cover LC LC-03 LC-03 LC-2G LC-2G ○ LC-4E LC-2F LC-4J
Handle Lock HL — — HL-2G HL-2G ○ HL-4E HL-2F HL-4J
Handle Operating Mechanism HA — — HA-108 HA-108 — HA-207 HA-209 HA-210
HM — — HM-S12 HM-S12 HM-S13 HM-S22 HM-S23 HM-S25
Terminal Cover Front Type TMC TMC-0G TMC-0G TMC-1 TMC-1 TMC-2C TMC-4K TMC-4J TMC-4J
Short Type — — TMC-1S TMC-1S — TMC-4JS TMC-4JS TMC-4JS
Long Type — — TMC-2D TMC-2D — — — —
Rear Type BTC — — BTC-1 BTC-1 BTC-2C BTC-4G BTC-4J BTC-4J
IEC Rail 35 mm ● ● ○ ○ — — — —
Automatic Tripping Device Full Magnetic Full Magnetic Full Magnetic Full Magnetic Thermal-Magnetic Thermal-Magnetic Thermal-Magnetic Thermal-Magnetic
Trip Button — — ● ● ● ● ● ●

Note

1
● : Standard      ○ : Option
2
Please state that number of poles of breakers when order MIW.
3
Installation of phase separators is required in case of types marked (*2).
4
The accessories marked (*3) can be installed by customers.