KMB-M Motor Protection Circuit Breaker
KMB-M Motor Protection Circuit Breaker
KMB-M provides overload and short-circuit protection for AC 50/60Hz motor circuits up to 660V, with model ranges covering 0.1A to 80A.
Buyer Overview
The KMB series can be used as a full-voltage starter to start or disconnect a motor under AC-3 load conditions. The original page also describes use for protecting circuits and power equipment in distribution networks.
Key Features
- AC 50/60Hz motor-circuit application
- Operating range up to 660V as stated on the source page
- Model setting ranges covering 0.1A to 80A
- Overload and short-circuit protection functions
- AC-3 motor start and disconnect application
Technical Specifications and Model Selection
| Type | Standard Power Ratings of 3-phase Motors 50/60Hz in Category AC-3 | Setting Range | ||||||
|---|---|---|---|---|---|---|---|---|
| 220V KW | 380V KW | 415V KW | 440V KW | 500V KW | 660V KW | |||
| KMB1-M01 | - | - | - | - | - | - | 0.1-0.16 | |
| KMB1-M02 | - | - | - | - | - | - | 0.16-0.25 | |
| KMB1-M03 | - | - | - | - | - | - | 0.25-0.4 | |
| KMB1-M04 | - | - | - | - | 0.37 | 0.4-0.63 | ||
| KMB1-M05 | - | - | - | 0.37 | 0.37 | 0.55 | 0.63-1 | |
| KMB1-M06 | - | 0.37 | - | 0.55 | 0.55 | 1.1 | 1-1.6 | |
| KMB1-M07 | 0.37 | 0.75 | 1.1 | 1.1 | 1.1 | 1.5 | 1.6-2.5 | |
| KMB1-M08 | 0.75 | 1.5 | 1.5 | 1.5 | 2.2 | 3 | 2.5-4 | |
| KMB1-M09 | 1.1 | 2.2 | 2.2 | 3 | 3.7 | 4 | 4-6 | |
| KMB1-M10 | 4 | 4 | 4 | 4 | 5.5 | 7.5 | 6-10 | |
| KMB1-M14 | 2.2 | 7.5 | 7.5 | 7.5 | 10 | 11 | 10-16 | |
| KMB1-M20 | 5.5 | 10 | 9 | 9 | 11 | 15 | 16-20 | |
| KMB1-M21 | 5.5 | 11 | 11 | 11 | 15 | 18.5 | 20-25 | |
| KMB1-M22 | - | - | - | - | - | - | 0.1-0.6-16 | |
| KMB2-M01/RS01 | - | - | - | - | - | - | 0.16-0.25 | |
| KMB2-M02/RS02 | - | - | - | - | - | - | 0.25-0.4 | |
| KMB2-M03/RS03 | - | - | - | - | - | 0.37 | 0.4-0.63 | |
| KMB2-M04/RS04 | - | - | - | - | 0.55 | 0.63-1 | ||
| KMB2-M05/RS05 | - | 0.37 | - | 0.55 | 0.75 | 1.1 | 1-1.6 | |
| KMB2-M06/RS06 | 0.37 | 0.75 | 0.75 | 1.1 | 1.1 | 1.5 | 1.6-2.5 | |
| KMB2-M07/RS07 | 0.75 | 1.5 | 1.5 | 1.5 | 2.2 | 3 | 2.5-4 | |
| KMB2-M08/RS08 | 1.1 | 2.2 | 2.2 | 3 | 3.7 | 4 | 4-6.3 | |
| KMB2-M10/RS10 | 2.2 | 4 | 4 | 4 | 5.5 | 7.5 | 6-10 | |
| KMB2-M14/RS14 | 3 | 5.5 | 5.5 | 7.5 | 7.5 | 9 | 9-14 | |
| KMB2-M16/RS16 | 4 | 7.5 | 9 | 9 | 9 | 11 | 13-18 | |
| KMB2-M20/RS20 | 5.5 | 11 | 11 | 11 | 11 | 15 | 17-23 | |
| KMB2-M21/RS21 | 5.5 | 11 | 11 | 11 | 15 | 18.5 | 20-25 | |
| KMB2-M22/RS22 | 7.5 | 15 | 15 | 15 | 18.5 | 26 | 24-32 | |
| KMB3-M06 | - | 0.37 | - | 0.55 | 0.75 | 1.1 | 1-1.6 | |
| KMB3-M07 | 0.37 | 0.75 | 1.1 | 1.1 | 1.1 | 1.5 | 1.6-2.5 | |
| KMB3-M08 | 0.75 | 1.5 | 1.5 | 1.5 | 2.2 | 3 | 2.5-4 | |
| KMB3-M10 | 1.1 | 2.2 | 2.2 | 3 | 3.7 | 4 | 4-6 | |
| KMB3-M14 | 2.2 | 4 | 4 | 4 | 5.5 | 7.5 | 6-10 | |
| KMB3-M20 | 4 | 7.5 | 7.5 | 7.5 | 10 | 11 | 10-16 | |
| KMB3-M25 | 5.5 | 11 | 11 | 11 | 15 | 18.5 | 16-25 | |
| KMB3-M40 | 11 | 18.5 | 22 | 22 | 25 | 33 | 25-40 | |
| KMB3-M63 | 15 | 30 | 33 | 33 | 40 | 55 | 40-63 | |
| KMB3-M80 | 22 | 40 | 45 | 45 | 55 | 63 | 56-80 | |
The KMB-M table content is retained from the current product page. Confirm the selected code and latest technical sheet before order approval.
Applications and Installation Notes
Suitable enquiries include motor control panels, machinery control systems and industrial distribution projects requiring selectable motor overload and short-circuit protection.
- Match the adjustment range to the motor nameplate and approved protection design.
- Verify control-circuit arrangement, installation space and coordination with upstream protection.
- Installation and commissioning must be completed by qualified electrical personnel.
KMB-M FAQ
What current range is listed for KMB-M?
The source page lists model setting ranges from 0.1A up to 80A.
What voltage and frequency are stated?
The product introduction states AC 50/60Hz operation in circuits up to 660V.
Can KMB-M be used for AC-3 motor switching?
Yes. The source page describes use as a full-voltage starter for starting and disconnecting motors under AC-3 load.
What is required for quotation?
Provide motor voltage, power, full-load current, selected setting range, quantity and destination market.
Related Search Terms
KMB-M 80A AC-3 manual motor starter; 0.1A to 80A manual motor starter; 660V AC-3 motor breaker; 50 60Hz overload short circuit protector; KMB1 KMB2 KMB3 motor setting table.
Send Inquiry
For KMB-M selection, send the required setting range, motor voltage and power, quantity and destination market for technical confirmation and quotation.
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CONTACT US
No.268,Punan Fifth Road,Yueqing Economic Development Zone,Yueqing,Zhejiang,China. 325604
+86-0577-57112069
+86-13588992688
peggy@cncango.com
Package Details
Products usually are typically packed in a plastic bag, then in a separate cardboard box, and several boxes are then packed into a corrugated carton. For loose cargo, we will palletize it to protect the goods from deformation during transport. We also accept customized package.
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