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3SB71G, switch disconnectors

Independent power supply with build-in power source,directly draws power from the incoming end to avoid the risk of protection function failure caused by external power supply failure.

● Overload protection
● Short circuit protection
● Isolation
● Controlling
● Used in residential building, non-residential building, industry, energy and infrastructure
Availability:

Functions

●   Making and breaking under load condition

●   Providing safety isolation for terminal distribution system

●   Used in residential building, non-residential building


Features

●   The handle provides a clear indication of the contact position

●   Adequate printing of all data on the front provides longterm identification

●   Based on the technology of MCB series 3SB71, similar design to series 3SB71

●   Matched with series 3SB71


Instruction of type code

3SB71G.1


Technical specifications

Type 3SB71G-125 3SB71G-125 DC
Standard IEC 60947-3 IEC 60947-3
Rated current In (A) 32, 63, 100, 125 63, 80, 100, 125
Number of poles 1P, 2P, 3P, 4P 1P 2P 3P 4P
Rated voltage Un 230/400 V AC 230 V DC 400 V DC 750 V DC 1000 V DC
Rated insulation voltage Ui (V) 500 1000
Rated short-time withstand current Icw (A) 20 In 12 In
Degree of protection IP20, with connected conductors IP20, with connected conductors
Electrical life (times) 10,000 1500
Mechanical life (times)  20,00 8500
Mounting position Any Any
Conductor cross-sections

Solid and stranded (mm²) 0.75-35 0.75-35
Finely stranded with end sleeve (mm²) 0.75-25 0.75-25
Terminal tightening torque (N·m) 2-2.5 2-2.5
Ambient temperature (°C) -25 ~ +45, max. 95% humidity -25 ~ +45, max. 95% humidity
Storage temperature (°C) -40 ~ +75 -40 ~ +70
Altitude (meter) Max. 2000 Max. 2000


Selection and ordering data

3SB71G-125

3SB71G.2


3SB71G-125 DC

3SB71G.3


Outline and installation dimensions

3SB71G.4


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