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MOLDED-CASE CIRCUIT BREAKERS
EARTH LEAKAGE CIRCUIT BREAKERS
INSTRUCTIONS MANUAL FOR REAR CONNECTION
Applicable type
Type
Number
name
of poles
M C C B
NF32-SV,NF63-CV,NF63-SV,NF63-HV
2
DSN32-SV,DSN63-CV,DSN63-SV
ST-05SV2
※2(Note1)
−
NF32-SV,NF63-CV,NF63-SV,NF63-HV
NF63-ZCV,NF63-ZSV,NF63-ZHV
NF63-NCV
ST-05SV3
3
DSN32-SV,DSN63-CV,DSN63-SV
NF63-NCVZ
ST-05SV4
4
NF63-SV,NF63-HV,DSN63-SV
Note1. ※2-pole is the circuit breaker of 3-pole frame without central pole.
The marks used respectively mean the following.
Wrong handling can cause dangerous situation
CAUTION
in which possibility of significant or minor
injuries or only impersonal damages is assumed.
1. At connecting the conductors(bus bar, wire etc.),
be careful so as not to apply unreasonable forces to the stud.
At attaching the studs, pay attention
and tighten them firmly. Otherwise, fire can result.
Installation image
2-pole
3-pole
Before using these accessories,
Please read this instructions.
Here is no other application
except.
Applicable type
E L C B
−
NV63-CV,NV63-SV
NV32-SV,NV63-CV,NV63-SV,NV63-HV
NV63-NCV
−
−
CAUTION
Spring lock washer 6
Nut ②(steel, zinc plated) M6
Plain washer(brass, tin plated) 6
Drilling plan
25
ST-05SV2
Attach the studs onto the circuit breaker.
Circuit breaker
Wipe this surface clean.
Pan head screw (M4)
Tightening torque:1.0±0.2 N・m
Attach the circuit breaker onto the panel.
Circuit breaker mtg screw A Pan head screw (M4X0.7X55)
Circuit breaker
Note. Circuit breaker mtg screw is what was attached
with the circuit breaker.
Please refer to the right table for the quantity
and the tightening position.
‑1‑
※2-pole
4-pole
‑3‑
Installation
Attached parts list
Round stud
Nut ①(brass, tin plated) M6
Insulation base
Insulation base
SW-PW-P Pan head screw M4X14
Round stud
Nut ①(brass, tin plated) M6
Plain washer(brass, tin plated) 6
SW-PW-P
Pan head screw
Spring lock washer 6
Nut ②(steel, zinc plated) M6
Circuit breaker
25
φ14
M4X0.7 taps
50
or 5mm-dia. hole
ST-05SV3
Insulation base (Mold)
Nut ②（steel）
Fit this part to the dent
Plain washer
Dent
of the circuit breaker.
Round stud
Nut ①
Spring lock washer
41〜43
（brass）
Please don't move nut ①
（For the prevention of moving
Push into
same position.
the insulation base at attaching the stud)
Note. Refer to 「Installation image」 of Page3.
Circuit breaker mtg screws
Pole
Size of screw Qty
2-pole
M4X0.7X55
2
3-pole
4-pole
M4X0.7X55
4
Tightening torque:1.2±20% N ・ m
A
A
A
A
Panel
A
A
A
A
(2-pole) (3-pole)
(4-pole)
Quantity
ST-05SV2
ST-05SV3 ST-05SV4
4
6
8
4
6
8
4
6
8
4
6
8
8
12
16
4
6
8
4
6
8
25
25
75
ST-05SV4
Connect the conductor.
Fasten nut ②.
Washer
Brass
tin plated
Tightening torque
2.0±0.4 N・m
Panel
Nut ②
Nut ①
Connection conductor
Brass
tin plated
Hold
Note1. Hold nut ① with the wrench.
2. Be careful so as not to apply
unreasonable forces to the stud.
Mark
Refer to 「CAUTION」 of Page1.
A
A
‑2‑
Made from recycled paper
‑4‑
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