> OMRON>Low Voltage Switchgear>J7MN Motor Protector

Viewed products

J7MN Motor Protector

Motor protection is a critical aspect of industrial automation and electrical distribution, ensuring that three-phase and single-phase motors are safeguarded against overloads, phase failures, short circuits, and asymmetrical loads. The J7MN series of motor protective circuit breakers, also known as motor protection switches or manual motor star...

Motor protection is a critical aspect of industrial automation and electrical distribution, ensuring that three-phase and single-phase motors are safeguarded against overloads, phase failures, short circuits, and asymmetrical loads. The J7MN series of motor protective circuit breakers, also known as motor protection switches or manual motor starters (MMS), are designed for direct motor starting and protection up to 32 A. These devices combine thermal overload protection (bimetallic strip) and magnetic short-circuit protection (solenoid coil) in a compact housing, typically with a rated insulation voltage of 690 V AC and a rated impulse withstand voltage of 6 kV. They feature a rotary handle for manual ON/OFF control and can be equipped with auxiliary contacts, shunt trips, and undervoltage releases. The J7MN is available in various frame sizes and amperage ratings, with a breaking capacity up to 100 kA at 400 V AC, making it suitable for both IEC and UL applications. The product code structure typically follows J7MN- followed by the current rating and optional accessories suffix.

Motor protectors are primarily installed in motor control centers (MCCs), distribution boards, and control panels across industrial sectors such as manufacturing, water treatment, HVAC, mining, and material handling. They are used to protect motors driving pumps, fans, conveyors, compressors, and mixers. In automated production lines, these devices ensure compliance with safety standards like IEC 60947-4-1 and UL 508, providing coordinated protection with contactors and overload relays. They are also employed in standalone applications like machine tools and agricultural equipment, where reliable motor starting and protection are essential.

The J7MN category includes several subcategories based on current rating and functionality. Key article codes include J7MN-1.6 (1.6 A), J7MN-2.5 (2.5 A), J7MN-4 (4 A), J7MN-6.3 (6.3 A), J7MN-10 (10 A), J7MN-16 (16 A), J7MN-20 (20 A), J7MN-25 (25 A), and J7MN-32 (32 A). The code structure is J7MN-[current rating], where the current rating is a number representing the maximum continuous current in amperes. Optional suffixes like -A (for auxiliary contact) or -S (for shunt trip) may be appended. These devices are available in screw-type or spring-clamp terminals, and with or without integrated auxiliary contacts.

At Electric Automation Network, we offer the complete J7MN series with real-time pricing, technical documentation, and express worldwide shipping. Our team of specialized engineers provides personalized technical support to help you select the correct motor protector for your application, ensuring optimal coordination with your existing contactors and overload relays. We stock all common ratings and accessories, enabling fast delivery to any global destination.

More
Number of products per page:
Order:
Manufacturer Code Reference Catalog Number Description Delivery Price

J7MC5007H

J7MC-3P-2E5

J7MC3P2E5

Motor Protection Circuit Breaker, Push-In and Plus Terminals, Current setting range thermal overload release 1.6 - 2.5 A, H×W×D 130 x 45 x 71 mm

 		3 View Availability View Price

J7MN9053B

J7MN-3P-E16

J7MN3PE16

0,10 - 0,16 A Rocker

0.10 - 0.16 A Swinger

 		1 View Availability View Price

J7MN9061C

J7MN-3P-6

J7MN3P6

4 - 6 / 2.2 KW Tilting

Motor-protective circuit breaker, switch type, 3-pole, 4-6 A

Motor-protective circuit breaker, switch type, 3-pole, 4-6 A

 		1 View Availability View Price

J7MN9054M

J7MN-3P-E25

J7MN3PE25

0,16 - 0,25 A / 0,06 KW Rocker

0.16 - 0.25 A / 0.06KW Swingarm

Motor-protective circuit breaker, switch type, 3-pole, 0.16-0.25 A

 		3 View Availability View Price

J7MN9092C

J7MN-9R-90

J7MN9R90

70 - 90 A / 45KW Rotating

70 - 90 A / 45KW Rotating

 		3 View Availability View Price

J7MC5009D

J7MC-3P-6

J7MC3P6

Motor Protection Circuit Breaker, Push-In Plus Terminals, Current setting range thermal overload release 4 - 6.3 A, H×W×D 130 x 45 x 71 mm

Motor Protection Circuit Breaker, Push-In Plus Terminals, Current setting range thermal overload release 4 - 6.3 A, H×W×D 130 x 45 x 71 mm

 		3 View Availability View Price

J7MN9082F

J7MN-3R-22

J7MN3R22

14 - 20 A / 7.5 KW Rotary

Motor-protective circuit breaker, rotary type, 3-pole, 14-22 A

Motor-protective circuit breaker, rotary type, 3-pole, 14-22 A

 		2 View Availability View Price

J7MC5004C

J7MC-3P-E63

J7MC3PE63

Motor Protection Circuit Breaker, Push-In Plus Terminals, Current setting range thermal overload release 0.40 - 0.63 A, H×W×D 130 x 45 x 71 mm

Motor Protection Circuit Breaker, Push-In Plus Terminals, Current setting range thermal overload release 0.40 - 0.63 A, H×W×D 130 x 45 x 71 mm

 		3 View Availability View Price

J7MC5024H

J7MC-3R-13

J7MC3R13

Motor Protection Circuit Breaker, Push-In Plus Terminals, Current setting range thermal overload release 9 - 13 A, H×W×D 130 x 45 x 90.8 mm

 		3 View Availability View Price

J7MN9078H

J7MN-3R-8

J7MN3R8

5 - 8 / 3KW Rotary

Motor-protective circuit breaker, rotary type, 3-pole, 5-8 A

Motor-protective circuit breaker, rotary type, 3-pole, 5-8 A

 		2 View Availability View Price

J7MN9069R

J7MN-3R-E16

J7MN3RE16

0,10 - 0,16 To Rotary

0.10 - 0.16 A Rotating

 		3 View Availability View Price

J7MC5020E

J7MC-3R-2E5

J7MC3R2E5

Motor Protection Circuit Breaker, Push-In and Plus Terminals, Current setting range thermal overload release 1.6 - 2.5 A, H×W×D 130 x 45 x 90.8 mm

 		3 View Availability View Price

J7MN9063M

J7MN-3P-10

J7MN3P10

6 - 10 TO / 4KW Tilt

Motor-protective circuit breaker, switch type, 3-pole, 6-10 A

Motor-protective circuit breaker, switch type, 3-pole, 6-10 A

 		2 View Availability View Price

J7MC5023M

J7MC-3R-10

J7MC3R10

Motor Protection Circuit Breaker, Push-In Plus Terminals, Current setting range thermal overload release 6.3 - 10 A, H×W×D 130 x 45 x 90.8 mm

Motor Protection Circuit Breaker, Push-In Plus Terminals, Current setting range thermal overload release 6.3 - 10 A, H×W×D 130 x 45 x 90.8 mm

 		3 View Availability View Price

J7MN9090G

J7MN-9R-63

J7MN9R63

45 - 63 A / 30 KW, Rotating

45 - 63 A / 30KW Rotating

 		3 View Availability View Price

J7MN9076A

J7MN-3R-4

J7MN3R4

2,5 - 4 A / 1.5 KW Rotating

Motor-protective circuit breaker, rotary type, 3-pole, 2.5-4 A

Motor-protective circuit breaker, rotary type, 3-pole, 2.5-4 A

 		2 View Availability View Price

J7MC5006M

J7MC-3P-1E6

J7MC3P1E6

Motor Protection Circuit Breaker, Push-In Plus Terminals, Current setting range thermal overload release 1 - 1.6 A, H×W×D 130 x 45 x 71 mm

Motor Protection Circuit Breaker, Push-In Plus Terminals, Current setting range thermal overload release 1 - 1.6 A, H×W×D 130 x 45 x 71 mm

 		3 View Availability View Price

J7MN9074E

J7MN-3R-1E6

J7MN3R1E6

1 - 1.6 A / 0.55 KW Rotary

Motor-protective circuit breaker, rotary type, 3-pole, 1-1.6 A

Motor-protective circuit breaker, rotary type, 3-pole, 1-1.6 A

 		2 View Availability View Price

J7MN9056G

J7MN-3P-E63

J7MN3PE63

0,4 - 0,63 A / 0.18 KW Tilting

Motor-protective circuit breaker, switch type, 3-pole, 0.4 A-0.63 A

Motor-protective circuit breaker, switch type, 3-pole, 0.4 A-0.63 A

 		2 View Availability View Price

J7MC5019A

J7MC-3R-1E6

J7MC3R1E6

Motor Protection Circuit Breaker, Push-In and Plus Terminals, Current setting range thermal overload release 1 - 1.6 A, H×W×D 130 x 45 x 90.8 mm

 		3 View Availability View Price

J7MN9091E

J7MN-9R-75

J7MN9R75

55 - 75 - / 37KW Rotary

55 - 75 A / 37KW Rotating

 		3 View Availability View Price

J7MN9064H

J7MN-3P-13

J7MN3P13

9 - 13 / 5.5 KW Tilting

Motor-protective circuit breaker, switch type, 3-pole, 9-13 A

Motor-protective circuit breaker, switch type, 3-pole, 9-13 A

 		2 View Availability View Price

J7MN9068M

J7MN-3P-32

J7MN3P32

22 - 32 / 15KW Rocker

Motor-protective circuit breaker, switch type, 3-pole, 22-32 A

Motor-protective circuit breaker, switch type, 3-pole, 22-32 A

 		2 View Availability View Price

J7MN9060E

J7MN-3P-4

J7MN3P4

2,5 - 4 A / 1.5 KW Tilting

Motor-protective circuit breaker, switch type, 3-pole, 2.5-4 A

Motor-protective circuit breaker, switch type, 3-pole, 2.5-4 A

 		1 View Availability View Price

J7MN9062A

J7MN-3P-8

J7MN3P8

5 - 8 / 3KW Tilting

Motor-protective circuit breaker, switch type, 3-pole, 5-8 A

Motor-protective circuit breaker, switch type, 3-pole, 5-8 A

 		2 View Availability View Price

J7MN9067B

J7MN-3P-26

J7MN3P26

18 - 26 / 11KW Rocker

Motor-protective circuit breaker, switch type, 3-pole, 18-26 A

Motor-protective circuit breaker, switch type, 3-pole, 18-26 A

 		3 View Availability View Price

J73M5003F

J73MC-K-10

J73MCK10

Alarm Module for MMS (MPCB), Push-In Plus Terminals

 		3 View Availability View Price

J7MN9065F

J7MN-3P-17

J7MN3P17

11 - 17 A / 7.5 KW Tilting

Motor-protective circuit breaker, switch type, 3-pole, 11-17 A

Motor-protective circuit breaker, switch type, 3-pole, 11-17 A

 		2 View Availability View Price

J7MN9055R

J7MN-3P-E4

J7MN3PE4

0,25 - 0,4 A / 0,09 KW Rocker

Motor-protective circuit breaker, switch type, 3-pole, 0.25-0.4 A

Motor-protective circuit breaker, switch type, 3-pole, 0.25-0.4 A

 		3 View Availability View Price

J7MC5022A

J7MC-3R-6

J7MC3R6

Motor Protection Circuit Breaker, Push-In Plus Terminals, Current setting range thermal overload release 4 - 6.3 A, H×W×D 130 x 45 x 90.8 mm

 		3 View Availability View Price

Latest Customer Reviews

All ratings we receive from the items we offer are real and verified. A small gesture, but a lot of value. That's why we thank you for that minute you invest in leaving us your opinion and qualification about the products, because it helps us to continue improving and to offer you a service of even higher quality.

Newsletter
Follow us
My account