Pole Mounted Circuit Breaker
D165T with digital trip unit
D165T pole mounted distribution transformer protection circuit-breakers, for top or mid-pole mounting and for 50, 100 or 160kVA transformers, are designed for low voltage overhead protection.
Description
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Product Details
D165T pole mounted distribution transformer protection circuit-breakers, for top or mid-pole mounting and for 50, 100 or 160kVA transformers, are designed for low voltage overhead protection.
Pole mounted circuit breaker protect against overloads and short-circuits as well as phase unbalance. Its double tripping device allows it to trip, automatically resetting itself to allow re-connection (closing of the network) without having to carry out any maintenance.
Pole mounted circuit breaker is designed for outdoor installation and is fixed in the middle or at the top of the pole. This positioning makes it more difficult to access and thus limits vandalism and theft. However, it can be easily manoeuvred from the ground by means of its padlockable rod.
- It is suitable for both overhead and underground LV lines.
- Pole mounted Circuit Breaker is for outdoor use.
- Polyester with glass fibre box, IP 337
- Three-phase + neutral protection
- Air cutting technology
- Screw connection valid for Al and Cu conductors
- Manual opening and closing operation
- Switch opening: transformer neutral automatically earthed
- Switch closing: Disruptive discharge overvoltage limitation (~12.5 kV)
- Built-in, interchangeable thermal relay
- Thermal imaging: reproduces transformer temperatures
- Technology: Digital
- The thermal relay is preset to 50 kVA (minimum automatic value).
Technical Parameter
1-Post circuit breaker with digital trip unit
|
D165T |
D265T |
|
|
Reference standard |
HN63-S-11 |
HN63-S-11 |
|
Voltage Rating |
440V |
440V |
|
Current rating |
165A |
265A |
|
Cutout power |
4000A |
6400A |
|
Closing power |
6800A |
11700A |
|
Number of poles |
4 |
4 |
|
Number of outputs |
1 output |
2 output |
|
Cable sections |
25/70mm² |
50/150mm² |
|
Breakdown voltage |
||
|
Pulse/earth |
20KV |
20KV |
|
At 50Hz |
10KV |
10KV |
|
Between poles |
4KV |
4KV |
|
Control system |
Manual |
Manual |
|
Installation |
On post |
On post |
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