4Pole 3phase adjustable STG copper Differential Current Circuit
Breaker with Overcurrent Protection
GENERAL
STG is mainly used in AC 50Hz(60Hz), rated voltage 230/400V, rated
current 5A to 90A low voltage terminal distributionsystem. RCBO is
equal with MCB+RCD function;The rated current can be adjusted as
per the Customers' request; It is usedfor electric shock protection
and human indirect contact protection, electric equipment
protection when human body touchingelectricity or electric network
leak current exceeds stipulated value, and over load and short
circuit protection ; It can also bea non-frequency operator in the
circuit, wildly used in the residential and commercial district.
Specification:
| Type | STG230 | STG420 |
| Rated Current(A) | 10A,15A,20A,25A,32A,40A,50A,60A | 10A,15A,20A,25A,32A,40A,50A,60A |
| Pole Number | 2Pole | 4Pole |
| Leakage acting current(mA) | 300mA,500mA | 300mA ,500mA |
| Range of break-off | 0.5~1.0X IΔn | 0.5~1.0X IΔn |
| Rated Voltage(V) | 230V-400VAC | 230V/400VAC |
| Tripping time | 100ms | 100mS |
| Life | 100000 times | 100000 times |
| Ambient Temperature | -5°C ~ +55 °C | -5°C ~ +55 °C |
About Us
Our teams have more than 20years experience in the field of circuit
breaker , We have a good reputation around the world,
We can offer you completive price, Continuance support and good
After service, also, our company can ensure the quantity of our
Products, they are durable and long life
faq
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contact with you?
A1: You can contact us online or check our website to send e-mail
Q2: Where can download catalogues of your SONTUNE electric
production?
A2: You can download our catalogues on our website,or we can send
it to you by email.
Q3: Your SONTUNE electric products are so impressive. How can I
become your distributor?
A3: We are so happy and welcome you to be our distributor, and
looking forward to your long term cooperation. Please
self-introduce your company or business information, and your
detailed plan to contact with us online or check our website and
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