Product

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

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

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