JB/T 12968-2025 Active Industry standards-Mechanical

JB/T 12968-2025 Technical Specifications for Three-Phase Asynchronous Motors with Variable-frequency Speed Control for Shield Tunneling Machines

JB/T 12968-2025 JBT 12968-2025 Specification for three-phase asynchronous motor with frequency-adjustable speed used in shield machine

Publish Date: 2025-05-09 Implement Date: 2025-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: JB/T 12968-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Asynchronous motor

ICS Name: Electric motor

Publish Date: 2025-05-09

Implement Date: 2025-11-01

Development Information

Replace the following standards

JB/T 12968-2016 JBT 12968-2016 Frequency-variable speed three-phase asynchronous motor for tunnel boring machine, technical specification

Related Standards

GB/T 12667-1990 Replaced

GB/T 12667-1990 General specification for excitation assembly with semiconductor for synchronous motor

Publish Date: 1990-12-29

GB/T 12974-1991 Replaced

GB/T 12974-1991 General specification for a.c. lift motors

Publish Date: 1991-06-06

GB/T 13138-1991 Replaced

GB/T 13138-1991 Synchros General specification for

Publish Date: 1991-08-15

GB/T 13139-1991 Replaced

GB/T 13139-1991 Hysteresis synchronous motors General specification for

Publish Date: 1991-08-15

GB/T 13500-1992 abolished_transferred

GB/T 13500-1992 Three phase asynchronous motors for hermetic refrigeration compressors—General specifications

Publish Date: 1992-06-19

GB/T 13501-1992 Replaced

GB/T 13501-1992 Electric motors for hermetic refrigeration compressors—Test methods of insulation resistance to freon

Publish Date: 1992-06-19