Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
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.
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.
| 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 | – |
Bepto is a leading Chinese company in electrical insulation, focused on developing advanced solutions for future power systems. We support transmission and distribution safety and growth, with long-term partners including State Grid, ABB, Schneider, Siemens, and GE. Our services reach clients in over 22 countries.
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Bepto focuses on the global market and provides our clients with products suitable for the local market:
Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
