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IACM Manually Operated Overhead Switch 36kV 400A – Air-Break Disconnector Isolate Restore 2000m IEC

Description：

IACM Manually Operated Overhead Switch: 36kV 400A air-break disconnector, isolate/restore line sections, maintenance/troubleshooting, human intervention, 2000m altitude, IEC compliant, -30°C to +40°C.

Applications：

Advanced IACM Manually Operated Overhead Switch Series: Premium IACM-12~36/400-50A overhead switch physically operated by personnel to isolate or restore line sections for maintenance and troubleshooting operations requiring human intervention, featuring air-break technology with isolation gate knife and arc rod for rapid energy storage movement, arc lengthening and air cooling extinguishment independent of manual operation speed, 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, compliant with IEC60265-1, IEC62271-1, IEC62271-103 standards.

Maintenance and Troubleshooting Ready: IACM incorporates simple structure, less maintenance, strong arc extinguishing ability, high insulation level break, high reliability for radial/ring network lines, transformer circuits with HV current limiting fuses or current-free isolation, operating at -30°C to +40°C, altitudes ≤2000m, Grade IV air pollution, earthquake intensity ≤8, providing reliable manually operated air-break overhead switching solution for line section isolation, restoration, maintenance and troubleshooting operations requiring human intervention.

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Features

IACM Manually Operated Overhead Switch 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 Manually Operated Overhead Switch (Air-Break Load-Break Disconnector) Manually Operated Overhead Switch (Air-Break Load-Break Disconnector) Manually Operated Overhead Switch (Air-Break Load-Break Disconnector) Manually Operated Overhead Switch (Air-Break Load-Break Disconnector) –
Operation Method Physically Operated by Personnel (Human Intervention) Physically Operated by Personnel (Human Intervention) Physically Operated by Personnel (Human Intervention) Physically Operated by Personnel (Human Intervention) –
Primary Function Isolate or Restore Line Sections Isolate or Restore Line Sections Isolate or Restore Line Sections Isolate or Restore Line Sections –
Application Focus Maintenance and Troubleshooting Operations Maintenance and Troubleshooting Operations Maintenance and Troubleshooting Operations Maintenance and Troubleshooting Operations –
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 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
Arc Extinguishing Technology Air-Break (Isolation Gate Knife + Arc Rod) Air-Break (Isolation Gate Knife + Arc Rod) Air-Break (Isolation Gate Knife + Arc Rod) Air-Break (Isolation Gate Knife + Arc Rod) –
Arc Rod Function Rapid Energy Storage Movement, Arc Lengthening, Air Cooling Extinguishment Rapid Energy Storage Movement, Arc Lengthening, Air Cooling Extinguishment Rapid Energy Storage Movement, Arc Lengthening, Air Cooling Extinguishment Rapid Energy Storage Movement, Arc Lengthening, Air Cooling Extinguishment –
Arc Movement Speed Independent of Manual Operation Speed Independent of Manual Operation Speed Independent of Manual Operation Speed Independent of Manual Operation Speed –
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
Standards Compliance 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 Overhead Power Lines, Line Section Isolation/Restoration, Maintenance Operations, Troubleshooting Operations, Radial/Ring Network Lines, Transformer Circuits with HV Fuses, Current-Free Isolation Overhead Power Lines, Line Section Isolation/Restoration, Maintenance Operations, Troubleshooting Operations, Radial/Ring Network Lines, Transformer Circuits with HV Fuses, Current-Free Isolation Overhead Power Lines, Line Section Isolation/Restoration, Maintenance Operations, Troubleshooting Operations, Radial/Ring Network Lines, Transformer Circuits with HV Fuses, Current-Free Isolation Overhead Power Lines, Line Section Isolation/Restoration, Maintenance Operations, Troubleshooting Operations, Radial/Ring Network Lines, Transformer Circuits with HV Fuses, Current-Free Isolation –

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