Sockets, Switches & Wall Plates
RCDs & RCBOs
High Voltage Vacuum Circuit Breakers
Disconnectors & Load Break Switches
Industrial Circuit Breakers (above 100A)
Miniature Circuit Breakers (up to 100A)
Contactors & Motor Starters
Electromechanical Relays
Solid State Relays
Protection Relays & Terminals
Surge Arresters
Surge Protection Devices (SPD)
Fuses & Fuse Links
Push Buttons & Control Switches
Pilot Lights & Indicators
Fire & Security Detectors & Sounders
Distribution Boards & Enclosures
Grounding & Earthing Bars
Other Circuit Protection
产品 — 电路保护与控制
Automatic Circuit Breakers VA57-35M up to 250A for AC and DC Applications
¥1,080-4,320
KONTAKTOR OJSC 🇷🇺
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常见问题
•Will these components fit standard DIN-rail panels and IEC layouts?
Yes. Modular breakers, RCDs, contactors and relays follow standard DIN-rail mounting and IEC-style module widths, so they install in common enclosure brands without adaptation. Ratings are marked in the same ampere and kiloampere series used internationally. For mixed panels, request dimensional drawings to confirm busbar and comb compatibility.
•Can panel builders order OEM or co-branded components?
On recurring volumes, plants apply the panel builder's marking to device fronts, labels and packaging, typically from several hundred units per SKU. Certification continues to reference the manufacturer. Some factories also assemble complete boards to your single-line diagram, shipping tested panels instead of loose components.
•What do the climatic execution codes like UHL1 mean for my market?
Russian products carry GOST 15150 climatic codes defining ambient ranges: UHL covers moderate and cold climates, T marks tropical execution with humidity and mould resistance, and the digit states placement from outdoor to heated indoor. Specify a tropical or general climatic version when ordering for the Gulf, Africa or humid coastal regions.
•Are surge protection devices coordinated by class?
Yes, SPDs are offered in Class I, II and III per the IEC 61643 classification, with coordination tables for cascading from service entrance to socket level. Suppliers will propose a coordinated set if you describe the installation: building type, lightning exposure and the sensitivity of connected equipment. Test reports accompany each model.
•What warranty and failure handling applies to protection devices?
Manufacturers typically warrant modular devices for 2–5 years from sale. Failed units under warranty are replaced rather than repaired; claims need the device, batch code and a short failure description. For relay protection and vacuum breakers, plants offer extended support including spare modules and remote diagnostics by agreement.
•How quickly can a wholesale order be assembled and shipped?
Popular modular devices ship from factory stock within 1–2 weeks. Vacuum circuit breakers, protection relays and non-standard climatic executions are produced to order in 4–8 weeks. Consolidated cargo trucks to Central Asia in 7–14 days; sea routes via Novorossiysk or St. Petersburg add 25–45 days depending on destination.