Current Transformer Cabinets
Current Transformer Cabinets and Terminal Boxes Current Transformer Cabinets Contractor Current Transformer Cabinets and Terminal Boxes Current Transformer Cabinets Spec-00086 G 763.422.2211 763.422.2600
CT Mounting Base
INDUSTRY STANDARDS UL 414 Listed; File E240312
APPLICATION
Available in three variations of conductor connection styles to match your application: 1/2-in. studs on 1-3/4-in. centers, a model with mechanical lugs and a model with lugs on one side and studs on the other to accommodate the preference difference between line and load connections. Pre-punched mounting base holes align with the studs in a CT enclosure.
FEATURES • • •
pacing for bar-type current transformer that conforms to ANSI S 12.11 Conductor provisions: either mechanical lugs or 1/2-in. bolt on 1-3/4-in. centers with nut, spring and flat washer Neutral bar with 10-32 tap screw
SPECIFICATIONS •
2-gauge galvanized formed base has electrically isolated 1 mount/termination platform
FINISH
Galvanized (mounting plate only) Bulletin: A90CM
Standard Product CT Mounting Base A.I.C. Rating 50,000 50,000 50,000 50,000 50,000
Catalog Number CTMB8001 CTMB8003 CTMB4001L CTMB8003L CTMB4001LS a
Ampacity 400-800 400-800 400 800 400
Voltage Max. VAC 600 600 600 600 600
Service Type 1Ø3W 3Ø4W 1Ø3W 3Ø4W 1Ø3W
No. of CT Provisions 2 3 2 3 2
Connection Studs Studs Lugsa Lugsa Lugs and Studsa
Wire range per phase: (3) 750MCM to 1/0 or (6) 250MCM to 1/0
Wire Bend Space Catalog Number A303011CT A363011CT A363611CT A483611CT A302411HCT A482411HCT A363011HCT A483011HCT A363611HCT A483611HCT
CTMB8001, CTMB4001LS (in.) 6.75 9.75 9.75 15.75 6.75 15.75 9.75 15.75 9.75 15.75
CTMB8001, CTMB4001LS (mm) 171 248 248 400 171 400 248 400 248 400
CTMB8003 (in.) 6.75 9.75 9.75 15.75 n/a n/a 9.24 15.75 9.75 15.75
CTMB8003 (mm) 171 248 248 400 n/a n/a 235 400 248 400
CTMB4001L (in.) 7.25 10.25 10.25 16.25 7.25 16.25 10.25 16.25 10.25 16.25
CTMB4001L (mm) 184 260 260 413 184 413 260 413 260 413
CTMB8003L (in.) 7.25 10.25 10.25 10.25 n/a n/a 10.25 16.25 10.25 16.25
CTMB8003L (mm) 184 260 260 260 n/a n/a 260 413 260 413
Consult UL414 for minimum space requirements based on the wire size and the number of wires per terminal.
1
Contractor
SUBJECT TO CHANGE WITHOUT NOTICE
EQUIPMENT PROTECTION SOLUTIONS Spec-00086 G
Current Transformer Cabinets and Terminal Boxes Current Transformer Cabinets
EQUIPMENT PROTECTION SOLUTIONS Spec-00086 G
PH 763.422.2211 • FAX 763.422.2600 • HOFFMANONLINE.COM
Contractor
2
CT Mounting Base
INDUSTRY STANDARDS UL 414 Listed; File E240312
APPLICATION
Available in three variations of conductor connection styles to match your application: 1/2-in. studs on 1-3/4-in. centers, a model with mechanical lugs and a model with lugs on one side and studs on the other to accommodate the preference difference between line and load connections. Pre-punched mounting base holes align with the studs in a CT enclosure.
FEATURES • • •
pacing for bar-type current transformer that conforms to ANSI S 12.11 Conductor provisions: either mechanical lugs or 1/2-in. bolt on 1-3/4-in. centers with nut, spring and flat washer Neutral bar with 10-32 tap screw
SPECIFICATIONS •
2-gauge galvanized formed base has electrically isolated 1 mount/termination platform
FINISH
Galvanized (mounting plate only) Bulletin: A90CM
Standard Product CT Mounting Base A.I.C. Rating 50,000 50,000 50,000 50,000 50,000
Catalog Number CTMB8001 CTMB8003 CTMB4001L CTMB8003L CTMB4001LS a
Ampacity 400-800 400-800 400 800 400
Voltage Max. VAC 600 600 600 600 600
Service Type 1Ø3W 3Ø4W 1Ø3W 3Ø4W 1Ø3W
No. of CT Provisions 2 3 2 3 2
Connection Studs Studs Lugsa Lugsa Lugs and Studsa
Wire range per phase: (3) 750MCM to 1/0 or (6) 250MCM to 1/0
Wire Bend Space Catalog Number A303011CT A363011CT A363611CT A483611CT A302411HCT A482411HCT A363011HCT A483011HCT A363611HCT A483611HCT
CTMB8001, CTMB4001LS (in.) 6.75 9.75 9.75 15.75 6.75 15.75 9.75 15.75 9.75 15.75
CTMB8001, CTMB4001LS (mm) 171 248 248 400 171 400 248 400 248 400
CTMB8003 (in.) 6.75 9.75 9.75 15.75 n/a n/a 9.24 15.75 9.75 15.75
CTMB8003 (mm) 171 248 248 400 n/a n/a 235 400 248 400
CTMB4001L (in.) 7.25 10.25 10.25 16.25 7.25 16.25 10.25 16.25 10.25 16.25
CTMB4001L (mm) 184 260 260 413 184 413 260 413 260 413
CTMB8003L (in.) 7.25 10.25 10.25 10.25 n/a n/a 10.25 16.25 10.25 16.25
CTMB8003L (mm) 184 260 260 260 n/a n/a 260 413 260 413
Consult UL414 for minimum space requirements based on the wire size and the number of wires per terminal.
1
Contractor
SUBJECT TO CHANGE WITHOUT NOTICE
EQUIPMENT PROTECTION SOLUTIONS Spec-00086 G
Current Transformer Cabinets and Terminal Boxes Current Transformer Cabinets
EQUIPMENT PROTECTION SOLUTIONS Spec-00086 G
PH 763.422.2211 • FAX 763.422.2600 • HOFFMANONLINE.COM
Contractor
2
