nVent HOFFMAN CTMB8001 Metering Current Transformer Base Instruction Manual
- June 13, 2024
- nVent HOFFMAN
Table of Contents
nVent HOFFMAN CTMB8001 Metering Current Transformer Bas
Product Information
- Product Name: CTMB8003 Enclosure
- Model Number: CTMB8003
- Part Number: 87784866, 87786229
- Ampacity: 800 (400 for Service Type 3 4W)
- Maximum Voltage: 600
- Number of CT Provisions: 3
- Conductor Connection: 0.5 Studs on 1.75 centers
- Dimensions (A x B x C):
- 48 x 30 x 11
- 48 x 36 x 11
- 36 x 30 x 11
- 48 x 24 x 11
- 36 x 36 x 11
Wire Bend Space (excluding wire terminal):
- 15.75 for dimensions: 48 x 30 x 11, 48 x 36 x 11, 48 x 24 x 11, and 36 x 36 x 11
- 9.75 for dimensions: 36 x 30 x 11
Product Usage Instructions
- Ensure that the enclosure is included with the package.
- Check that the product includes the required components.
- Determine the ampacity and service type based on your specific requirements.
- Identify the maximum voltage the enclosure can handle.
- Count the number of CT provisions required for your application.
- Connect conductors using the provided 0.5 studs on 1.75 centers.
- Choose the appropriate enclosure size based on the dimensions provided.
- Take into consideration the wire bend space listed (excluding the wire terminal) when routing wires within the enclosure. Consult UL 414, table 10.1 for minimum allowable space requirements based on the wire size and the number of wires per terminal.
Overview
Specification
Size and Spacing Table − Current Transformer Interiors and Enclosures
Ampacity
| Maximum voltage|
Service Type
| Number of CT
Provisions
| CT Base Catalog Number| Conductor Connection|
Hoffman UL 50 Enclosure A x B x C|
Wire Bend Space**
---|---|---|---|---|---|---|---
800
|
600
|
3Æ 4W
|
3
|
CTMB8003
| 0.5 Studs on
1.75 centers
| 48 x 30 x 11| 15.75
48 x 36 x 11| 15.75
400| 600| 3Æ 4W| 3| CTMB8003| 0.5 Studs on
1.75 centers
| 36 x 30 x 11| 9.75
48 x 30 x 11| 15.75
36 x 36 x 11| 9.75
48 x 36 x 11| 15.75
800| 600| 1Æ 3W| 2| CTMB8001|
0.5 Studs on
1.75 centers
| 48 x 24 x 11| 15.75
48 x 30 x 11| 15.75
48 x 36 x 11| 15.75
400| 600| 1Æ 3W| 2| CTMB8001| 0.5 Studs on
1.75 centers
| 48 x 24 x 11| 15.75
36 x 30 x 11| 9.75
48 x 30 x 11| 15.75
36 x 36 x 11| 9.75
48 x 36 x 11| 15.75
Wire bend space listed does not take the wire terminal into consideration. Consult UL 414, table 10.1 for minimum allowable space requirements based on the wire size and the number of wires per terminal.
© 2018 Hoffman Enclosures Inc. PH 763 422 2211 • nVent.com/HOFFMAN.
References
Read User Manual Online (PDF format)
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