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CT Mounting Base

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.     Learn More

BULLETIN:

A90CM

INDUSTRY STANDARDS:

UL 414 Listed; File E240312



Standard Product: CT Mounting Base

Catalog NumberA.I.C. Rating Ampacity Voltage
Max. VAC 		Service Type No. of CT
Provisions 		Connection 
CT Mounting Base Dimension Drawing
CTMB8001
More Info
2D CAD Drawing
3D STEP Drawing
Spec Sheet
Instruction

50,000400-8006001Ø3W2Studs
CTMB8003
More Info
2D CAD Drawing
3D STEP Drawing
Spec Sheet
Instruction

50,000400-8006003Ø4W3Studs
CTMB4001L
More Info
2D CAD Drawing
3D STEP Drawing
Spec Sheet
Instruction

50,0004006001Ø3W2Lugsa
CTMB8003L
More Info
2D CAD Drawing
3D STEP Drawing
Spec Sheet
Instruction

50,0008006003Ø4W3Lugsa
CTMB4001LS
More Info
2D CAD Drawing
3D STEP Drawing
Spec Sheet
Instruction

50,0004006001Ø3W2Lugs and Studsa

aWire range per phase: (3) 750MCM to 1/0 or (6) 250MCM to 1/0



Wire Bend Space

Catalog Number CTMB8001,
CTMB4001LS (in.) 		CTMB8001,
CTMB4001LS (mm) 		CTMB8003 (in.) CTMB8003 (mm) CTMB4001L (in.) CTMB4001L (mm) CTMB8003L (in.) CTMB8003L (mm) 
A303011CT6.751716.751717.251847.25184
A363011CT9.752489.7524810.2526010.25260
A363611CT9.752489.7524810.2526010.25260
A483611CT15.7540015.7540016.2541310.25260
A302411HCT6.75171n/an/a7.25184n/an/a
A482411HCT15.75400n/an/a16.25413n/an/a
A363011HCT9.752489.2423510.2526010.25260
A483011HCT15.7540015.7540016.2541316.25413
A363611HCT9.752489.7524810.2526010.25260
A483611HCT15.7540015.7540016.2541316.25413

Consult UL414 for minimum space requirements based on the wire size and the number of wires per terminal.
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