GB/T 12667-1990
Replaced
MT/T 249-1997
Replaced
Industry standards-Coal
MT/T 249-1997 Flameproof mining type double speed three-phase induction motors
MT/T 249-1997 Flameproof mining type double speed three-phase induction motors
Basic Information
Standard Code:
MT/T 249-1997
Standard Type:
Industry standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Explosion-proof motor
ICS Name:
Electric motor
Publish Date:
1997-12-30
Implement Date:
1998-06-01
Pages:
15 pages
Development Information
Replace the following standards
MT 249-1991
Referenced Standards
GB 191-1990
GB/T 755-1987
GB/T 997-1981
GB/T 1032-1985
GB 1971-1980 Terminal markings and direction of rotation of rotating electrical machines
GB/T 1993-1993 Cooling methods for rotating electrical machines
GB/T 2423.4-1993 Basic environmental testing procedures for electric and electronic products—Test Db:Damp heat, cyclic
GB 3836.1-1983
GB 3836.2-1983
GB 3836.3-1983
GB/T 4772-1984
GB/T 4826-1984
GB/T 4942.1-1985
GB/T 10068-1988
GB/T 10069-1988
GB/T 10111-1988 Methods for random sampling by utilizing dices of random number
GB/T 13384-1992 General specifications for packagings of mechanical and electrical products
JB/Z 293-1987
JB/Z 294-1987
Related Standards
GB/T 12974-1991
Replaced
GB/T 12974-1991 General specification for a.c. lift motors
GB/T 13138-1991
Replaced
GB/T 13138-1991 Synchros General specification for
GB/T 13139-1991
Replaced
GB/T 13139-1991 Hysteresis synchronous motors General specification for
GB/T 13500-1992
abolished_transferred
GB/T 13500-1992 Three phase asynchronous motors for hermetic refrigeration compressors—General specifications
GB/T 13501-1992
Replaced