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NIKKO Electric Mfg Company Ltd - Circuit Protectors - Breakers 

Section#1... TYPE IM-1  Nikko Circuit Protector - Nikko Electric Mfg Co Ltd - Circuit Protectors

A... Type IM-1 Side View - 1 Pole B... Type IM-1 Front View - 1 Pole

 missing dimension on top =2.02"

APL/UPL

205/295

Circuit Protector - Type IM-1  Not all Nikko types available in the USA,  substitute units available for most series.

 

Section#2... TYPE IM-2  Nikko Circuit Protector - Nikko Electric Mfg Co Ltd - Circuit Protectors

A... Type IM-2 Side View - 2 Pole B... Type IM-2 Front View - 2 Pole

APL/UPL

prod_24_ni_2p.jpg (60719 bytes)

Nikko 2 pole units have only 1 actuator, replacement units have 2 actuators,  but same form & fit 

Circuit Protector - Type IM-2  Not all Nikko types available in the USA,  substitute units available for most series.

 

Section#2A... TYPE UPM-2  Nikko Circuit Protector - Nikko Electric Mfg Co Ltd - Circuit Protectors

A... Type UPM-2 Side View - 2 Pole B... Replacement Layout 

prod_24_nikko upm2_01.JPG (342809 bytes)

Some Nikko 2 pole units have aux connections (GFCI) which must be re-configured...
Mounting holes & cutout must be field modified...

Nikko 2 pole units have only 1 actuator, replacement units come in two styles 1 or 2 actuators, but similar form & fit... See section #7 below!!

Circuit Protector - Type UPM-2  Not all Nikko types available in the USA,  substitute units available for most series.

 

Section#3... TYPE IM-3 Nikko Circuit Protector - Nikko Electric Mfg Co Ltd - Circuit Protectors

A... Type IM-3 Side View - 3 Pole  B... Type IM-3 Front View - 3 Pole

APL/UPL

Nikko 3 pole units have only 1 actuator, replacement units have 3 actuators, but same form & fit 

 Circuit Protector - Type IM-3  Not all Nikko types available in the USA,  substitute units available for most series.

 

Section#4... Terminal Types Im Series - Nikko Circuit Protector - Nikko Electric Mfg Company Ltd

A... 10/32 Threaded Studs B... 1/4 -28 Threaded Studs   C... 3 Shunt Trip D... Dual Coil / Relay Trip

 Series

Series

Shunt, Relay and  Dual Coil

Shunt, Relay and  Dual Coil

 

 

Section#5... Nikko Circuit Protector -  Mounting & Layout Detail - Circuit Protectors

A... 1 Pole - Type Im1 B... 2 pole - Type Im2 C... 3 Pole - Type Im3 D...

 

 

 

Section#6... Type UPM-1 Nikko Circuit Protector - Circuit Protectors

A... Terminals Tab/ Screw B... 1 Pole - Side View C... 1 Pole - Front View D... Mtg  & Layout 

APG 6-1

Single Pole, Toggle

Single Pole, Toggle

Mounting Detail

 

 

Section#7... Type UPM-2 Nikko Circuit Protector - Circuit Protectors

A... 2 Pole - One Actuator B... 2 Pole - 1 Actuator Mtg  & Layout C... 2 Pole - 2 Actuators D... Mtg  & Layout - 2 Actuators

Two Pole Breakers

Mounting Detail

Two Pole Breakers

Mounting Detail

 
 

 Revised:06/25/2017 23:42:31