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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

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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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