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Modular DIN Rail Products
- Miniature Circuit Breaker (MCB)
- 18mm Width DPN MCB
- Isolator Switch
- Residual Current Circuit Breaker (RCCB)
- Residual Current Circuit Breaker with Overcurrent Protection (RCBO)
- Fuse
- Arc Fault Detection Device (AFDD)
- Surge Protection Device (SPD)
- Reclosing Device
- MCB Accessories
- Safety Breaker
- Earth Leakage Safety Breaker
- Safety Breaker with Outer Cover
- Earth Leakage Satety Breaker with Outer Cover
- Plug in Type Miniature Circuit Breaker (MCB)
- Plug in Type Residual Current Circuit Breaker with Overcurrent Protection (RCBO)
- Modular Contactor
- Relay
- Transfer Switch
- Smart Molded Case Circuit Breakers
- PV Systems
- Distribution Box
6KA/10KA residual current circuit breaker with overcurrent protection TDR7
Technical Data
| Standard | IEC61009-1 |
| Mode | Electronic |
| Type | A、AC |
| Tripping curve | BCD |
| Pole | 1P+N,2P3P3P+N,4P |
| Rated voltage | 230/400V~ |
| Rated frequency | 50/60Hz |
| Rated current | 6-63A |
| Rated residual operating current(l△n) | 30、100、300mA |
| Residual operating current range | 0.5l△n~l△n |
| Ratedconditionalshort-circuit current(lnc) | 6KA/10KA |
| Energy limiting class | 3 |
| Electrical and Mechanical life | 20000 |
Overload Current Protection Characteristics
| Test Procedure | Type | Test Current | Initial State | Tripping or Non-tripping Time Limit |
Expected Result | Remark |
| A | B、C | 1.13In | cold | t≤1h | no tripping | |
| B | B、C | 1.45In | after test A | t<1h | tripping | The curent steadily rise to the specifed walue within5s |
| C | B、C | 2.55In | cold | 1s<t<60s(In≤32A) 1s<t<120s(In>32A) |
tripping | |
| D | B | 3In | cold | t≤0.1s | no tripping | Turn on theauxiliary switch toclose the current |
| C | 5In | |||||
| D | 10In | |||||
| E | B | 5In | cold | t<0.1s | tripping | Turn on theauxiliary switch toclose the current |
| C | 10In | |||||
| D | 20In |
Residual Current Operating Breaking Time
| type | In/A | I△n/A | Residual Current(I△)Is Corresponding To The Following Breaking Time(S) | |||
| ACtype | Any value | Anyvalue | In | 2In | 5In | 5A,10A,20A,50A |
| A type | >0.01 | 1.4In | 2.8In | 7In | ||
| 0.3 | 0.15 | 0.04 | 0.4 max breaking time | |||
| The general type RCBO whose current I△n is 0.03mA less can use 0.25A instead of 5I△n. | ||||||
Installation
| Protection degree | IP20 |
| Ambient temperature | -25~+40℃ |
| Storage temperature | -25~+70℃ |
| Terminal connection type | Cable/U-type busbar/Pin -type busbar |
| Terminal size top/bottom for cable | 25mm² |
| Tightening torque | 2.5N.m |
| Connection | Top and bottom |
Overall and mounting dimensioned chart

product overview
When a fault occurs, the reliability of your protective device is paramount. Our RCBO is constructed from robust engineering materials designed to withstand electrical stress, thermal cycling, and mechanical wear over its long service life. Its stable performance is guaranteed to remain consistent even in the face of power grid fluctuations and challenging environmental conditions, ensuring it is always ready to operate. To prove its mettle, every model undergoes exhaustive testing, including tens of thousands of mechanical durability cycles and rigorous short-circuit breaking tests that simulate extreme fault conditions. These tests validate its exceptional endurance and reliable tripping capability. This product is fundamentally built for long-term, stable operation, serving as a dependable guardian for your electrical system that you can count on day in and day out.
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Modular DIN Rail Products
Smart Molded Case Circuit Breakers
PV Systems
Distribution Box

