Manufactur standard Miniature Circuit Breaker FTB2-63 Wholesale to Norway
Overview:
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Product illustration
Technical Data
| Model | FTB2-63 Miniature circuit-breaker | |||
| Number of poles | IP 2P 3P 4P | |||
| Rated frequency: | AC 50/60Hz | |||
| Rated voltage (V) AC | 230/400 | |||
| Rated current (A) | C
D |
1,2,3,4, 6, 10, 16, 20, 25, 32, 40, 50, 63
6,10,16,20,25,32,40 |
||
| Rated breaking capacity(KA) | 6.5 | |||
| Mechanical & electrical life: | 20,000 operations | |||
| Protection rating | IP20 | |||
| Installation | On DIN rail 35mm according to JB6525 | |||
| Connection capacity: | Cross-section of conductors up to 25mm2 , Cross-section of busbar from 0.8- 2mm2,reversibility of connections | |||
| Tightening torque | 2 Nm | |||
| Ambient temperature ( C) | -5 C ~ +40 C | |||
| Altitude (m) | ≤2000m | |||
| Relative air humidity | no more than 95% | |||
| Pollution degree | Ⅱ | |||
| Installation condition | Used in place without obvious shock and vibration | |||
| Weight (g) | 102 | 208 | 308 | 408 |
Product Feature
- These circuit breakers are intended for the protection of circuits against overloads and short circuits in residential, commercial and industrial premises;
- It covers the rating range from 6 to 63A with a uniform breaking capacity of 6.5 kA throughout;
- Current-limiting scheme: in the event of a short circuit, are able to limit the let-through current to 60%-70% of the rated current;
- The arc extinguishing system: allows the short-circuit currents of very high value to be interrupted extremely rapidly, the remarkable opening speed of contacts opening and the structure of the arcing chamber contribute to extinguishing the arc in the shortest possible time;
-The sensitivity and reliability of the trip mechanism ensures perfect closure every time,thereby considerably improving the performance of these devices and extending their average lifetime;
- The internal contact position allows an exact information of the circuit-breaker status:“green”, open contacts;“red”, closed contacts,independently of the toggle position;
- Sealing/locking sealable with 1 mm wire , to prevent unwanted tripping;
- The supply lines of the protected circuit can be connected to either the upper or lower terminals of the circuit-breakers(reversibility of connections). The double terminal of these circuit-breakers enables simultaneous connection of cables and busbars.
Tripping characteristic
Exterior and dimensions
Unit(mm)
| Number of poles | 1P | 2P | 3P | 4P |
| a | 80±0.8 | |||
| b | 74.2±0.8 | 75.7±0.8 | ||
| c | 17.8±0.5 | 35.6±0.8 | 53.4±0.8 | 71.2±0.8 |
| d | 44±0.8 | |||
| e | 68.7±0.8 | 70.2±0.8 | ||
| f | 45±0.8 | |||
| g | 35.5±0.8 | |||
Wiring
Please refer to below table for the connection of wires with a cross section area
| Rated current In(A) | Nominal cross section area of copper wire(mm2 ) |
| 1~6 | 1 |
| 10 | 1.5 |
| 16,20 | 2.5 |
| 25 | 4 |
| 32 | 6 |
| 40,50 | 10 |
| 63 | 16 |
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