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SIMOPRIME A4

Medium Voltage Switchgear

Rated Voltage : 24 KV
Rated frequency : 50/60 HZ
Rated short-duration power-frequency withstand voltage : 50 KV
Rated lightning impulse withstand voltage : 125 KV
Rated short-time withstand current, 3 s : 25 KA
Rated peak withstand current at 50/60 Hz : 63 KA
Rated short-circuit breaking current : 25 KA
Rated short-circuit making current at 50/60 Hz : 63 KA
Rated normal current of busbar : 2500 A
Rated normal current of feeders
- With circuit-breaker : 2500 A
- With fused load break switch : 2500A
Type of Switchgear : Metal Enclosed (Draw out)
Classification of switchgear is according to : IEC 62271-200


Electrical data (maximum values) of SIMOPRIME A4
Switchgear up to 24 kv
Ratings Rated values (max.)
Rated voltage 24 kv
Rated frequency 50/60 Hz
Rated short-duration power-frequency withstand voltage 50 kv
Rated lightning impulse withstand voltage 125 kv
Rated short-time withstand current, 3 s 25 kv
Rated peak withstand current at 50/60 Hz 63 kv
Rated short-circuit breaking current 25 kv
Rated short-circuit making current at 50/60 Hz 63 kv
Rated normal current of busbar 2500 A
Rated normal current of feeders , -with circuit-breaker , -with fused load break switch 2500 A , As per fuse

 

Classification of the SIMOPRIME A4 switchgear according to IEC 62271-200
Construction and design
Partition class
Loss of service continuity category
PM (metallic partition)
LSC2B (metal-clad)
Compartment accessibility (standard)
 • Busbar compartment
 • Switching-device compartment
 • Low-voltage compartment
 • Front connection
Tool-based
Interlock-controlled
Tool-based
Interlock-controlled
And
Tool-based
- Rear connection Tool-based

 

Internal arc classification
Classification IAC
Accessibility
 • Front
 • Rear
 • Lateral
Type A
Type A
Type A
Test current , Ka
Arc duration , s
25
1.0


Color Option
Width B For 1250 A vacuum Circuit-breaker 800
Width B For 2500 A vacuum Circuit-breaker 1000
Width B For load Break Switch 500
Height H With standard low-voltage Compartment 2250
Depth T Standard 1900


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