ACB (Air Circuit Breakers) 3WT Series

Introducing the 3WT Air Circuit Breakers: A New Era of Power Distribution. In the dynamic landscape of electrical distribution, the 3WT Air Circuit Breakers emerge as a groundbreaking solution. Siemens’ electrical and mechanical components offer integrated technologies for the entire drive train, including couplings, gear units, motor stop control, and drive solutions for all engineering industries. One standout feature of the 3WT Air Circuit Breakers is their remarkable adaptability, encapsulated by only two frame sizes that seamlessly cover a broad spectrum of applications ranging from 400 A to 4000 A.

Category :

Components

Brand :

Siemens

Product Information

Specifications
  • Breaking capacity: 55/66 kA at 500 V
  • Rated current: from 400 A to 4000 A
  • Rated operating voltage: AC 500 V
Standards
  • Conforms to international standards and approvals of IEC 60947-2
  • The 3WT circuit breakers have undergone testing to ensure safety, reliability, and performance in accordance with GB 14048.2
  • CCC Approval
  • The 3WT circuit breakers are climate-proof in accordance with IEC 60068-2-30
Features and Benefits
  • New electronic trip units (ETU) with outstanding features.
  • Only two frame sizes cover a broad range of applications from 400 A to 4000 A, up to 66 kA at 500 V, in a 3- or 4-pole version, fixed-mounted, or withdrawable version.
  • All components can be combined in a modular way.
  • User-friendliness in planning, configuration, installation, and operation.
  • High degree of protection with a door sealing frame in the case of exclusively local operation of the circuit breaker.
  • Easy to operate with an unambiguous ON-OFF indicator and an auxiliary switch for signaling.
  • Many components, such as auxiliary releases, motorized operating mechanisms, electronic trip units, and current transformers, can be replaced or retrofitted to adapt the circuit breaker to changing requirements.

Features and Benefits

  1. New electronic trip units (ETU) with outstanding features.
  2. Only two frame sizes cover a broad range of applications from 400 A to 4000 A, up to 66 kA at 500 V, 3- or 4-pole version, fixed-mounted, withdrawable version.
  3. All components can be combined in a modular way.
  4. User friendliness in planning, configuration, installation and operation.
  5. High degree of protection with door sealing frame in the case of exclusively local operation of the circuit breaker
  6. Easy to operate. Unambiguous ON-OFF indicator with auxiliary switch for signal
  7. Many components, such as auxiliary releases, motorized operating mechanisms, electronic trip units and current transformers can be replaced or retrofitted to adapt the circuit breaker to changing requirements.
Warranty

The panels are guaranteed for 12 months after commissioning or 18 months after delivery, with the option for an extended warranty.