OCS SECTIONING & SWITCHING / 25 kV AC · 1.5 kV DC CRCC CERTIFIED / TB/T · GB · IEC

FTr(III)/ITr series traction substation circuit breakers

27.5kV 630A~3150A

FTr(III)/ITr series traction substation circuit breakers

Specifications

ModelFTr(III)/ITr
StandardGB/T 1984 (HV AC circuit breakers), GB/T 11022and traction power equipment technical conditions
Rated Voltage12kV / 27.5kV / 40.5kV (perModel)
Rated Current630A~3150A
Operating Temperature-40℃~+70℃
Altitude<4000m
Materialsvacuum interrupter, spring/permanent-magnet operating mechanism, hot-dip galvanized tank
Installationpole-mounted outdoor/indoor switchgear/Traction substation:-mounted installation

FTr(III)/ITrThis circuit breaker series serves electrified railway traction substations with a wide parameter coverage; some types include an earthing switch, meeting all protection needs of traction power supply systems.

voltage27.5kV / 2×27.5kV
current630A ~ 3150A
Short-time withstand current20kA ~ 40kA
Key featuresTraction substation:for , wide parameter coverage, some types include an earthing switch

FTr(III)/ITr series traction substation circuit breaker product photo

Product Overview

The FTr(III)/ITr series traction substation circuit breakers produced by Henan Chuangwit Railway Equipment Co., Ltd. are rated 27.5kV/2×27.5kV, 630A to 3150A, with short-time withstand current 20kA to 40kA; some types include an earthing switch.

Key Features

  • indoor, outdoor and pole-mounted types available
  • intelligent types support telecontrol and protection integration
  • load switch-fusecomposite apparatus optional
  • proven reliable vacuum arc extinction technology

Compliance & Quality Control

Complies with GB/T 1984 (HV AC circuit breakers), GB/T 11022 and traction power equipment technical conditions; vacuum arc extinction is maintenance-free with a mechanical life of 10000 operations; intelligent types with controllers support telecontrol and fault recording.Rated short-circuit breaking current and short-time withstand current satisfy system short-capacity verification; insulation level complies with GB/T 11022. The company holds CRCC railway product certification and ISO9001 quality management system certification; every piece (batch) is delivered only after passing factory inspection.

Operating Conditions & Typical Applications

For traction substations, switching stations and 10kV distribution systems under frequent operation and short-circuit breaking duty. Typical applications include traction substations, switching stations, 10kV distribution systems and industrial private lines.

Selection & Service

We provide selection verification and non-standard customization based on line conditions and operating parameters, Products follow CRCC railway product certification and ISO9001 quality management system requirements; key parameters are verified by factory inspection and type tests. For selection consulting and quotations, please call 0375-6051688.

Performance

Operating Conditions

for traction substations, switching stations and 10kV distribution systems under frequent operation and short-circuit breaking duty.

Mechanical Performance

vacuum arc extinction is maintenance-free with a mechanical life of 10000 operations; intelligent types with controllers support telecontrol and fault recording.

Electrical Performance

Rated short-circuit breaking current and short-time withstand current satisfy system short-capacity verification; insulation level complies with GB/T 11022.

Applications

Traction substation:

FTr(III)/ITr series traction substation circuit breakers enable fast fault clearance on traction substation feeder lines.

Switching station:

FTr(III)/ITr series traction substation circuit breakers create flexible operating arrangements for switching-station lines.

10kV distribution system:

FTr(III)/ITr series traction substation circuit breakers are pole-mounted for 10kV line distribution; intelligent types support remote monitoring.

Industrial private lines:

FTr(III)/ITr series traction substation circuit breakers are supplied as matched sets for industrial private lines.

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