UL489/CSA C22.2 No.5标准断路器

我们提供UL489, CSA C22.2 No.5; UL 1077, CSA C22.2No.235 and IEC 60947-2各类标准的断路器UL489/CSA C22.2 No.5标准断路器适合场合Typical applications
Feeder and branch circuit protection
• Convenience receptacle circuits (internUL489断路器al/external)
• Motor control circuits
• Load circuits leaving the equipment (external)
• HACR equipment (heating, air conditioning, refrigeration)
• PLC I/O points
• Computers
• Power supplies
• Control instrumentation
• Relays
• Power conditioners

  • UL489和UL1077标准断路器区别

UL 489 circuit breakersUL489与UL1077
Used for branch circuit protection, internal/external receptacles, external motors and HACR equipment
(heating, air conditioning and refrigeration).

UL 1077 supplementary protectors
Used for overcurrent protection within appliances or electrical equipment, where branch circuit protection
is already provided or not required.
Note: UL 489 devices can be used in place of UL 1077; UL 1077 devices cannot be used in place of UL 489.

UL 1077, CSA C22.2 No.235 and IEC 60947-2标准断路器
These devices are CE marked.UL1077断路器
Typical applications
Supplementary protection
• Control circuits
• Lighting
• Business equipment
• Appliances