IECEN 60947-4-1 ABB Vacuum contactor Medium-voltage power distribution systems industrial applications
Product Overview
EC 60947-4-1 is a standard formulated by the International Electrotechnical Commission, applicable to contactors and motor starters and their auxiliary equipment with a rated voltage not exceeding 1000V AC or 1500V DC. This standard aims to ensure the safety, reliability and interoperability of these devices in industrial automation, power distribution systems and other related fields.
Key features
High reliability and long service life
It can withstand up to one million operation cycles under the AC-3 usage category.
The mechanical life exceeds 15 million cycles, meeting the demands of various harsh environments.
Safety and Environmental Protection
Vacuum arc extinguishing technology is adopted to ensure no pollution emissions and meet environmental protection requirements.
It offers outstanding electrical isolation performance to ensure operational safety.
Modular design, flexible expansion
It can be assembled with various accessories: auxiliary contact modules, surge suppressors, mechanical interlock devices, etc.
It is easy to build complex control logic without the need for additional relays.
Safety and compliance
Passed the major global certification systems, including IEC, UL, CSA, CE, etc.
It complies with international and national standards such as IEC/EN 62271-102 and GB/T 11022.
Easy to install
Supports in-cabinet installation to save space.
Supports screw crimping or spring clamping terminal blocks, and is compatible with various wire specifications
Scope of application
Contactors and motor starters, including but not limited to:
Mechanical contactor
Solid-state contactor
Star-delta starter
Variable frequency drive, etc.
Performance requirements
Insulation resistance: The minimum insulation resistance value is specified to ensure safe operation.
Dielectric strength: It defines the highest voltage level that a device must withstand without breakdown.
Temperature rise limit: An upper limit of the working temperature is set to prevent overheating and damage.
Durability test: Conduct multiple cycle operation tests on the equipment to verify its stability during long-term use.
Protection level: Provide IP protection level requirements based on different application scenarios.
Test method
Including but not limited to electrical strength tests, aging tests, short-circuit withstand capacity tests, etc.
Why choose products that comply with the IEC 60947-4-1 standard?
Security guarantee
Adhere to strict international standards to ensure the safety of the equipment in various environments.
Stable performance
After comprehensive testing, it ensures long-term stable operation and reduces maintenance costs.
Strong compatibility
The design takes into account the interchangeability with products of other brands, making it convenient to integrate into existing systems.
Regulatory compliance
Meet the regulatory requirements for low-voltage electrical products in most countries and regions around the world.
Product Images
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| VB6-30-20 | VB6-10-01 |
| VB6-30-30 | VB6-00-01 |
| VB6-31-01 | VB6-30-40 |
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| VB7-30-01 | 1VB630011 |
| VB12-30-01 | 1VBC630010 |
| VBC6-30-01 | 1VB730010 |
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