Modular DIN Rail Products
Smart Molded Case Circuit Breakers
PV Systems
Distribution Box
Thermal Magnetic MCCB TDK1
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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
Thermal Magnetic MCCB TDK1
Scope of Application
TDK1 series molded case circuit breaker is used for AC 50/60Hz, rated working voltage of 400V,rated insulation voltage of 800V for type 63 and 1000V for type 125-800, rated working current up to800A.
Used for frequent conversion in circuit and infrequent starting of motor.
Comply with IEC60947-2 standard.
With overload, short circuit and undervoltage protection functionsWith the features of compact structure, small volume, high breaking capacity and zero flashover.High breaking capacity: up to 65kA.
Reasonable design, safe and reliable, beautiful appearance.All accessories are available, easy to install, convenient to use, and highly adaptable.The whole series of circuit breakers has isolation function, and its symbol is:
Model and Meaning
| Serial No. | Item meaning |
| ① | Enterprise code:TALEMOD |
| ② | MCCB(Molded Case Circuit Breaker) |
| ③ | Design No. |
| ④ | Frame grade current(A)optional code:Inm=63,Inm=125,Inm=250,Inm=400,Inm=630,Inm=800 |
| ⑤ | UItimate short circuit breaking capacity:L:Standard (25,35,50kA);M:High breaking(50,65kA) |
| ⑥ | Operation mode: P:Electric operation;Z:Operate by rotating handle |
| ⑦ | No.of poles:2:two-pole,3:three-pole,4:four-pole |
| ⑧ | Release mode and optional codes for internal accessories |
| ⑨ | Optional codes for different purposes:No code:For power distribution,2:For motor protection,Th:For "three-prevention"occasions |
| ⑩ | 4-pole product code |
| ⑪ | Rated current |
| ⑫ | Installation modes are optional:Front wiring of board;Rear wiring of board;Plug-in wiring Special mode(negotiated by user and factory) |
| ⑬ | Other accessories are optional:Mechanical interlocking between two circuit breakers |
Note: 4-pole product code
Type A: Overcurrent tripping element is not installed at N pole, and N pole is always ON and notcombined with other three poles
Type B: Overcurrent tripping element is not installed at N pole, and N pole is combined with otherthree poles.
Type C: Overcurrent tripping element is not installed at N pole, and N pole is combined with otherthree poles.
Type D: Overcurrent tripping element is not installed at N pole, and N pole is always ON and notcombined with other three poles
Main Technical Parameters
| Model | TDK1-63 | TDK1-125 | TDK1-250 | TDK1-400 | TDK1-630 | TDK1-800 | ||||||||
| Frame grade current Inm(A) | 63 | 125 | 250 | 400 | 630 | 800 | ||||||||
| Rated current In(A) | 10,16,20,25, 32,40,50,63 |
16,20,25,32, 40,50,63,80, 100，125 |
100.125.140，160,180,200，225,250 | 225,250,315, 350，400 |
400,500, 630 |
630,700, 800 |
||||||||
| No.of poles | 3 | 4 | 3 | 4 | 3 | 4 | 3 | 4 | 3 | 4 | 3 | 4 | ||
| Rated insulation voltage Ui(V) | 800 | 1000 | ||||||||||||
| Rated operating voltage Ue(V) | AC400 | AC400,AC690 | ||||||||||||
| Rated impulse withstand voltage Uimp(kV) | 8 | 12 | ||||||||||||
| Flashover distance(mm) | 50 | 100 | ||||||||||||
| Breaking capacity level | L | M | L | M | L | M | L | M | H | L | M | L | M | |
| Ultimate short-circuitbreaking capacityIcu(kA) | AC690V | 20 | 20 | 20 | 20 | 30 | ||||||||
| AC400V | 25 | 50 | 35 | 50 | 35 | 50 | 50 | 65 | 100 | 50 | 65 | 50 | 75 | |
| Operating short-circuit breaking capacity Ics(kA) |
AC690V | 15 | 15 | 15 | 15 | 20 | ||||||||
| AC400V | 18 | 35 | 22 | 35 | 22 | 35 | 35 | 42 | 65 | 35 | 42 | 35 | 50 | |
| Operational performance (times) | Powered | 1500 | 1500 | 1000 | 1000 | 1000 | 500 | |||||||
| Not powered | 8500 | 8500 | 7000 | 4000 | 4000 | 2500 | ||||||||
| Total | 10000 | 10000 | 8000 | 5000 | 5000 | 3000 | ||||||||
Protection Features
The thermal release of circuit breaker has inverse time limit feature; The electromagnetic release is instantaneous operating, and the featuresare shown in Table 3 (for power distribution) and Table 4 (for motor protection).
| Rated current of release (A) | Thermal elease(ambient temperature For land +40°C/For ship +45°℃) | Operating current of electromagnetic release(A) | |
| 1.05 In(cold)non-operating time (h) | 1.30In(hot)operating time (h) | ||
| 110≤In≤63 | ≥1 | <1 | 10In±20% |
| 63<In≤100 | ≥2 | <2 | |
| 100<In≤800 | ≥2 | <2 | 51n±20%,10In±20% |
| Rated current (A) | Thermal elease(ambient temperature For land +40°C/For ship +45°℃) | Operating current of electromagnetic release (A) |
|||
| 1.0In(cold). non-operating time |
1.2In (hot) operating time (h) |
1.5In(hot) operating time (h) |
7.2In(cold) operating time (h) |
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| 10≤In≤225 | ≥2 | <2 | <4min | 4s<Tp≤10s | 12In±20% |
| 225<In≤630 | <8min | 6s<Tp≤20s | |||
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