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IACM-50A Overhead Switch Disconnector 12-36kV 1250A – Air-Break Tree Network LBS 2000m NF C 64-140

Description：

IACM-50A Overhead Switch Disconnector: 12-36kV 1250A air-break tree network LBS, end-of-line isolation, substation cluster, NF C 64-140 Type I, 2000m altitude, -30°C to +40°C.

Applications：

Advanced IACM-50A Overhead Switch Disconnector Series: Premium IACM-12~36/400-50A overhead switch designed for end-of-line placement in tree-like HVA network structures, isolating substation clusters for downstream line work, compliant with NF C 64-140 Type I standard (01/1990), featuring air-break technology with isolation gate knife and arc rod for rapid energy storage movement, arc lengthening and air cooling extinguishment, delivering 200-1250A rated current with 50A active load breaking, 2.5A no-load transformer breaking, 10A no-load line breaking capacity, 12.5kA (1s) short-time withstand, 31.5kA peak withstand, 2000 mechanical cycles, suitable for radial/ring network lines, transformer circuits with HV current limiting fuses.

Tree Network and Substation Cluster Ready: IACM-50A incorporates simple structure, less maintenance, strong arc extinguishing ability, high insulation level break, high reliability for tree-like network end-of-line applications, operating at -30°C to +40°C, altitudes ≤2000m, Grade IV air pollution, earthquake intensity ≤8, providing reliable air-break overhead switching solution for HVA tree network substation cluster isolation and downstream line work.

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Features

IACM-50A Overhead Switch Disconnector Specifications 12kV 17.5kV 24kV 36kV Unit
Model Number IACM-12/400-50A IACM-17.5/400-50A IACM-24/400-50A IACM-36/400-50A –
Alternative Model ISAR-S-12 ISAR-S-17.5 ISAR-S-24 ISAR-S-36 –
Brand Bepto Insulation Systems Bepto Insulation Systems Bepto Insulation Systems Bepto Insulation Systems –
Product Type Air-Break Overhead Switch Disconnector (Load-Break Switch) Air-Break Overhead Switch Disconnector (Load-Break Switch) Air-Break Overhead Switch Disconnector (Load-Break Switch) Air-Break Overhead Switch Disconnector (Load-Break Switch) –
Application Focus End-of-Line in Tree Network, Substation Cluster Isolation End-of-Line in Tree Network, Substation Cluster Isolation End-of-Line in Tree Network, Substation Cluster Isolation End-of-Line in Tree Network, Substation Cluster Isolation –
Standard Compliance NF C 64-140 Type I (01/1990) NF C 64-140 Type I (01/1990) NF C 64-140 Type I (01/1990) NF C 64-140 Type I (01/1990) –
Rated Voltage 12 17.5 24 36 kV
Rated Current 200/400/630/1250 200/400/630/1250 200/400/630/1250 200/400/630/1250 A
Rated Active Load Breaking Current 50 50 50 50 A
Rated No-Load Transformer Breaking Current 2.5 2.5 2.5 2.5 A
Rated No-Load Line Breaking Capacity 10 10 10 10 A
1min Power Frequency Withstand (Phase/Earth) 42 45 55 95 kV
Power Frequency Withstand (Open Contacts) 48 55 69 105 kV
Lightning Impulse Withstand (Phase/Earth) 75 95 125 170 kV
Lightning Impulse Withstand (Open Contacts) 85 105 145 195 kV
Rated Short-Time Withstand Current 12.5 12.5 12.5 12.5 kA
Rated Short-Circuit Duration 1 1 1 1 s
Rated Peak Withstand Current 31.5 31.5 31.5 31.5 kA
Mechanical Life 2000 2000 2000 2000 cycles
Manual Operating Torque ≤200 ≤200 ≤200 ≤200 Nm
Contact Opening Distance >500 >600 >800 >1030 mm
Contact Pressure 200 200 200 200 N
Main Loop Resistance ≤150 ≤150 ≤150 ≤150 μΩ
Ambient Temperature -30 to +40 -30 to +40 -30 to +40 -30 to +40 °C
Daily Temperature Difference ≤32 ≤32 ≤32 ≤32 K
Altitude ≤2000 ≤2000 ≤2000 ≤2000 m
Air Pollution Level Grade IV (GB5585) Grade IV (GB5585) Grade IV (GB5585) Grade IV (GB5585) –
Max Wind Pressure ≤700 ≤700 ≤700 ≤700 MPa
Earthquake Intensity ≤8 ≤8 ≤8 ≤8 –
Ice Thickness ≤10 ≤10 ≤10 ≤10 mm
IEC Standards IEC60265-1, IEC62271-1, IEC62271-103 IEC60265-1, IEC62271-1, IEC62271-103 IEC60265-1, IEC62271-1, IEC62271-103 IEC60265-1, IEC62271-1, IEC62271-103 –
Application End-of-Line in Tree-Like HVA Network, Substation Cluster Isolation, Downstream Line Work, Radial/Ring Network, Transformer Circuits with HV Fuses End-of-Line in Tree-Like HVA Network, Substation Cluster Isolation, Downstream Line Work, Radial/Ring Network, Transformer Circuits with HV Fuses End-of-Line in Tree-Like HVA Network, Substation Cluster Isolation, Downstream Line Work, Radial/Ring Network, Transformer Circuits with HV Fuses End-of-Line in Tree-Like HVA Network, Substation Cluster Isolation, Downstream Line Work, Radial/Ring Network, Transformer Circuits with HV Fuses –

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