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Scope of Application

DZ47SD-63 Manual Transfer Switch (solar transfer switch) is a new circuit breaker with interlocking mechanism developed by our company, the solar transfer switch adds in interlocking function based on original DZ47SD-63 miniature circuit breakers, that is, the other side of the circuit breaker can only keep opening state when the side of the circuit breaker closing, to achieve line switching and other protection.
The solar transfer switch developed by our company has the functions of overload, short circuit protection and circuit conversion. The solar transfer switch has reasonable and reliable design, beautiful appearance and light weight. It is mainly used for switching and overload and short circuit protection of other control circuit.
DZ47SD-63 Manual Transfer Switches comply with GB10963 and IEC60898 standards.

There are 1A/3A/5A/10A/16A/20A/25A/32A/40A/50 amp/63A transfer switches

Model and meaning

Structural features

DZ47SD-63 dual-supply circuit breaker is composed of case, operating mechanism, thermal release, electromagnetic release, contact system, arc-extinguishing system, etc. It has overload and short-circuit protection function, unique design makes the product have short-circuit capacity of 6KA , mechanical life of more than 20,000 times. The installation rail is TH35-7.5 standard steel rail, and it has the following features: Increase interlocking function, that is, when a circuit breaker is closed, the other circuit breaker on the other side can only kept opening, and protection functions such as circuit switching are realized , The operation feel comfortable, power supply up-in and down-out, in line with the characteristics of power supply, easy to install.
DZ47SD-63 solar transfer switches are divided into 1P + 1P, 1P circuit breaker; 2P + 2P, 2P circuit breakers; 3P +3 P, 3P circuit breakers; 4P +4 P, 4P circuit breakers.

Main technical parameters

Model Rated current (A) Pole Voltage (V)

Rated short - circuit

breaking capacity

C-type 1、3、5、10、16、20、25、32、40 1、2 230/400 6000
2、3、4 400 6000
50、63 1、2 230/400 4500
2、3、4 400 4500
D-type 1、3、5、10、16、20、25、32、40、50、63 1、2 230/400 4500
2、3、4 400 4500

No. Model specifications Initial state Test current Test time Prospective result Remarks
1 All value Cold 1.13ln t≥1h Non tripping
2 All value After the Test 1 1.45ln t<1h Tripping

The current rise to a

fixed value within 5S

3 In≤32 Cold 2.55ln 1s<t<60s Tripping
In>32 1s<t<120s
4 B-type Cold 3ln t≥0.1s Non tripping

Close the auxiliary switch

to turn on the power

C-type 5ln
D-type 7ln
5 B-type Cold 5ln t<0.1s Tripping

Close the auxiliary switch

to turn on the power

C-type 10ln
D-type 14ln

Outline and installation dimensions


Ordering Information

When ordering, please indicate the following points:
Product model and name: such as DZ47SD-63 dual power circuit breaker
Rated current: 50 amp Transfer Switch.
Number of poles: 1P
Order number: such as 8562.
Order example: DZ47SD-63 dual power circuit breakers, 5 amp, 4P, 1000.


Keywords: 50 amp transfer switch ,solar transfer switch

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