33255
NS1250H 4P Basic Frame Manually O
Trade Price
£4,171.10
Per
1
Unit
EA
Pack Quantity
1
Information
This is a Compact NS1250H circuit breaker basic frame, 1250A, 70kA at 415 VAC 50/60 Hz, 4 poles . It is adapted for fixed devices manually operated, and it is an optimum choice for all standard applications. This basic frame is compatible with any type of trip unit which has to be ordered separately. It can be equipped with a variety of optional functions and accessories. The dimensions are 327mm (W) x 280mm (H) x 147mm (D). It ensures compliance with international standards (IEC 60947), CCC, EAC and marine specifications.
Technical Specifications
Range
ComPact
Range of product
ComPact NS630b...1600
Device short name
Compact NS1250H
Product or component type
Basic frame
Device application
Distribution
Number of poles
4P
Neutral position
Left
[In] rated current
1250 A at 50 °C
[Ue] rated operational voltage
690 V AC 50/60 Hz
Network type
AC
Network frequency
50/60 Hz
Suitability for isolation
Yes conforming to EN/IEC 60947-2
utilisation category
Category B
[Icu] rated ultimate short-circuit breaking capacity
85 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 42 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 65 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 70 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 500/525 V AC 50/60 Hz conforming to IEC 60947-2
Performance level
H 70 kA 415 V AC
Control type
Toggle Rotary handle
Mounting mode
Fixed
[Ui] rated insulation voltage
800 V AC 50/60 Hz conforming to IEC 60947-2
[Uimp] rated impulse withstand voltage
8 kV conforming to IEC 60947-2
[Ics] rated service short-circuit breaking capacity
30 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 (manual operation) 40 kA at 500/525 V AC 50/60 Hz conforming to IEC 60947-2 (manual operation) 50 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 (manual operation) 50 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 (manual operation) 50 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 (manual operation)
[Icw] rated short-time withstand current
19.2 kA 1 s conforming to IEC 60947-2
Integral instant protection
40 kA
Mechanical durability
10000 cycles conforming to IEC 60947-2
Electrical durability
2000 cycles 690 V AC 50/60 Hz In conforming to IEC 60947-2 3000 cycles 690 V AC 50/60 Hz In/2 conforming to IEC 60947-2 4000 cycles 440 V AC 50/60 Hz In conforming to IEC 60947-2 5000 cycles 440 V AC 50/60 Hz In/2 conforming to IEC 60947-2
Power losses
44 W
mounting support
Backplate
Connection pitch
70 mm
Protection type
Without protection
Height (H)
327 mm
Width (W)
280 mm
Depth (D)
147 mm
standards
IEC 60947-2
product certifications
LCIE ASTA ASEFA
Pollution degree
3 conforming to IEC 60947
IP degree of protection
IP40 conforming to IEC 60529
IK degree of protection
IK07 conforming to EN 50102
Ambient air temperature for operation
-25…70 °C
Ambient air temperature for storage
-50…85 °C
Unit Type of Package 1
PCE
Number of Units in Package 1
1
Package 1 Height
37.0 cm
Package 1 Width
38.0 cm
Package 1 Length
30.0 cm
Package 1 Weight
14.731 kg
Warranty
18 months
Document Links
Datasheet