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Hitachi

Hitachi Industrial Equipment Systems Co., Ltd.

Air Circuit Breakers [AKH, AKS, AKN Series] : Accessories : ACB

Accessories : ACB

1 OCR Trip relay 9 AX Auxiliary Switch
2 M Motor 10 K1
K3		 Key Lock (K1),
Double Key Lock (K3)
3 CC Closing Coil 11 C Counter
4 SHT Shunt Coil 12 B On/Off Button Lock
5 UVT Under Voltage Trip Device 13 MIP Miss Insertion Preventing Device
6 DI Door Interlock 14 ADM Automatically Discharge Mechanism
7 MOC Mechanically Operated Cell Switch 15 MRB Manual Reset Button
8 MI Mechanical Interlock  

Internal

Accessories AKH AKS AKN
SHT1 ● ● ●
SHT2 ○ ○ ○
CC ● ● ●
M ● ● ●
CS1 Charge Switch* ● ● ●
CS2 Charge Switch Communication* ○ ○ ○
UVT ○ ○ ○
AL ○ ○ ○
MRB Manual Reset Button* ○ ○ ○
RES Remote Reset Switch* ○ ○ ○
RCS Ready to Close Switch* ○ ○ ○
C ● ○ ○
AX ○ ○ ○
TM Temperature Alarm* ○ ○ ○

● : Default      ○ : Option

*
Seperate purchasing is not allowed. Each item should be purchased with the main body.

External

Accessories AKH AKS AKN
K1 ○ ○ ○
K2 ○ ○ ○
K3 ○ ○ ○
B ○ ○ ○
LH ○ ○ ○
CTD ○ ○ ○
ATS Automatic Transfer Switch Controller ○ ○ ○
DC ○ ○ ○
OT ○ ○ ○
J Mannual Connector* ○ ● ●
A Automatic Connector* ● ○ ○

● : Default      ○ : Option

*
Seperate purchasing is not allowed. Each item should be purchased with the main body.

Trip relay

Accessories AKH AKS AKN
N N type* ○ ○ ○
A A type* ○ ○ ○
P P type* ○ ○ ○
S S type* ○    
ZCT ZCT for the earth leakage ○ ○ ○

● : Default      ○ : Option

*
Seperate purchasing is not allowed. Each item should be purchased with the main body.

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