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ABB KT5EF3 Molded Case Circuit Breaker

ABB's Tmax molded case circuit breakers represent a significant advancement in circuit protection technology. Available in eight basic frame sizes and a single-pole T1 version, these breakers provide a wide range of interrupting capacities (B, N, S, H, L, V) to suit diverse industrial applications. Key features include double insulation for safe accessory installation, positive operation ensuring reliable signaling, and flexible installation options. The Tmax series also includes thermal magnetic, electronic, molded case switches, motor circuit protectors, and DC-rated versions, catering to a broad spectrum of electrical protection needs.

Authorized Distributors
Part No:KT5EF-3
Stock:0
Inv Date:06-01-2026
Price: Unit price: $133.01
Buy/RFQ:
Part No:KT5EF-3
Stock:2
Inv Date:06-01-2026
Price: Unit price: $78.88
Buy/RFQ:
Part No:KT5EF-3
Stock:2
Inv Date:06-01-2026
Price: Unit price: $78.88
Buy/RFQ:

ABB KT5EF3 Molded Case Circuit Breaker Specifications:

  • range_rating: 15A to 3000A at 600VAC
  • interrupting_capacities: B, N, S, H, L, V
  • insulation_type: Double insulation
  • operation_type: Positive operation
  • installation_options: Horizontal or vertical planes, fed from either end
  • available_versions: Fixed, Drawout or plug-in (T2, T3, Ts3, T4, T5, T6)
  • frame_sizes: Eight basic sizes
  • single_pole_version: T1

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Frequently Asked Questions

Where can I buy ABB KT5EF3?

You can click on the BUY or RFQ button to purchase KT5EF3 from an authorized ABB distributor.

How do I troubleshoot issues or seek technical support for part KT5EF3?

You can download the KT5EF3 datasheet or visit the ABB website for support.

Who is the manufacturer of KT5EF3?

ABB

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