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3SCH8, modular contactors

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

●   Remote switching and controlling of power circuits

●   Used in building automation,?controlling of small pumps,ventilations, heating systems, lighting systems, and so on


Technical specifications

Type 3SCH8-25 3SCH8-63
Standards IEC 61095 IEC 60947-4-1
Number of poles 2, 4
Type of current AC
Frequency (Hz) 50/60
Rated voltage Un (V) 230/400
Rated current In in AC-7a / AC1 (A) 10, 16, 20, 25 25, 32, 40, 63
Rated current In in AC-7b / AC1 (A) 4, 5.5, 7, 8.5 8.5, 12, 15, 25
Rated power in AC3 (Kw)
230 V 2-5 5-13
400 V 6-13 15-40
Control circuit voltage (V) 230/400
Mechanical life (times) 300,000
Electrical life (times)
AC-7a / AC1 10,000 80,000
AC-7b / AC1 50,000 40,000
Degree of protection IP20, with connected conductors
Conductor cross-sections
Solid and stranded (mm²) 2-25
Finely stranded with end sleeve (mm²) 2-25
Terminals
Terminal tightening torque (N·m) 0.8-2.4
Ambient temperature (°C) -5 ~ +40, max. 95 % humidity
Storage temperature (°C) -40 ~ +75
Connection capacity (mm²)

1-25

Instruction of type code

3SCH8.1

Selection and ordering data

3SCH8.2

(1) Please contact us if any other coil voltage required


Selection and ordering data

3SCH8.3

(1) Please contact us if any other coil voltage required


Outline and installation dimensions

3SCH8.4


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