11 SM1B Series

The Lovato Electric S.p.A. Series 11 SM1B circuit breakers are designed specifically for protecting 400V AC motors in industrial settings. These breakers are robust and reliable, making them a go-to choice for engineers working on motor control centers, variable speed drives, and other motor-driven systems.

One thing worth noting is that these breakers come equipped with advanced thermal magnetic protection, which helps in preventing motor damage due to overload and short circuits. This dual protection mechanism ensures that the motor remains operational while safeguarding against potential hazards. If you're working on high-power motor installations, especially those involving variable frequency drives, the SM1B series is a solid choice. They are also known for their ease of installation and maintenance, which can significantly reduce downtime and maintenance costs.

Another practical observation is that these breakers often show up in applications requiring frequent start-stop cycles, such as conveyor systems, pumps, and fans. Their ability to handle repeated switching without degradation makes them particularly suitable for these environments. Engineers tend to reach for this series when they need a balance between performance and reliability in their motor protection solutions.

Mfr Part #	Quantity Available	Price	Category	Voltage Rating	Voltage - Supply	Current Rating (Max)	Voltage - Supply (Min)	Terminal Type	Connector Type	Other Specifications
2 11 SM1B 00 Circuit Breaker, 400Vac, 0.1A to 0.16A Lovato 0.1 → 0.16 A 电动机保护断路器 , 100 kA断开能力, 400 V 交流 Lovato	10	1: ¥188.52	-	400 V ac	100 kA	0.1 → 0.16 A	0.1 → 0.16 A	Screw	螺钉	0.1 → 10 A
2 11 SM1B 12 Circuit Breaker, 400Vac, 0.4A to 0.63A Lovato 0.4 → 0.63 A 电动机保护断路器 , 100 kA断开能力, 400 V 交流 Lovato	10	1: ¥193.99	-	400 V ac	100 kA	0.4 → 0.63 A	0.4 → 0.63 A	Screw	螺钉	0.1 → 10 A
2 11 SM1B 04 Circuit Breaker, 400Vac, 0.16A to 0.25A Lovato 0.16 → 0.25 A 电动机保护断路器 , 100 kA断开能力, 400 V 交流 Lovato	269	1: ¥217.804	-	400 V ac	100 kA	0.16 → 0.25 A	0.16 → 0.25 A	Screw	螺钉	0.1 → 10 A
2 11 SM1B 08 Circuit Breaker, 400Vac, 0.25A to 0.4A Lovato 0.25 → 0.4 A 电动机保护断路器 , 100 kA断开能力, 400 V 交流 Lovato	10	1: ¥187.07	-	400 V ac	100 kA	0.25 → 0.4 A	0.25 → 0.4 A	Screw	螺钉	0.1 → 10 A
2 11 SM1B 28 Circuit Breaker, 400Vac, 2.5A to 4A Lovato 2.5 → 4 A 电动机保护断路器 , 100 kA断开能力, 400 V 交流 Lovato	10	1: ¥212.06	-	400 V ac	100 kA	2.5 → 4 A	2.5 → 4 A	Screw	螺钉	0.1 → 10 A
2 11 SM1B 52 Circuit Breaker, 400Vac, 20A to 25A Lovato 20 → 25 A 电动机保护断路器 , 25 kA断开能力, 400 V 交流 Lovato	10	1: ¥316.53	-	400 V ac	25 kA	20 → 25 A	20 → 25 A	Screw	螺钉	0.1 → 10 A
2 11 SM1B 16 Circuit Breaker, 400Vac, 0.63A to 1A Lovato 0.63 → 1 A 电动机保护断路器 , 100 kA断开能力, 400 V 交流 Lovato	10	1: ¥193.99	-	400 V ac	100 kA	0.63 → 1 A	0.63 → 1 A	Screw	螺钉	0.1 → 10 A
2 11 SM1B 40 Circuit Breaker, 400Vac, 9A to 14A Lovato 9 → 14 A 电动机保护断路器 , 25 kA断开能力, 400 V 交流 Lovato	10	1: ¥263.02	-	400 V ac	25 kA	9 → 14 A	9 → 14 A	Screw	螺钉	0.1 → 10 A
2 11 SM1B 36 Circuit Breaker, 400Vac, 6.3A to 10A Lovato 2.5 → 4 A，6.3 → 10 A 电动机保护断路器 , 100 kA断开能力, 400 V 交流 Lovato	10	1: ¥226.39	-	400 V ac	100 kA	2.5 → 4 A，6.3 → 10 A	6.3 → 10 A	Screw	螺钉	0.1 → 10 A
2 11 SM1B 56 Circuit Breaker, 400Vac, 24A to 32A Lovato 24 → 32 A 电动机保护断路器 , 25 kA断开能力, 400 V 交流 Lovato	10	1: ¥714.85	-	400 V ac	25 kA	24 → 32 A	24 → 32 A	Screw	螺钉	0.1 → 10 A
2 11 SM1B 32 Circuit Breaker, 400Vac, 4A to 6.5A Lovato 4 → 6.5 A 电动机保护断路器 , 100 kA断开能力, 400 V 交流 Lovato	10	1: ¥212.06	-	400 V ac	100 kA	4 → 6.5 A	4 → 6.5 A	Screw	螺钉	0.1 → 10 A
2 11 SM1B 24 Circuit Breaker, 400Vac, 1.6A to 2.5A Lovato 1.6 → 2.5 A 电动机保护断路器 , 100 kA断开能力, 400 V 交流 Lovato	10	1: ¥212.06	-	400 V ac	100 kA	1.6 → 2.5 A	1.6 → 2.5 A	Screw	螺钉	0.1 → 10 A
2 11 SM1B 48 Circuit Breaker, 400Vac, 17A to 23A Lovato 17 → 23 A 电动机保护断路器 , 25 kA断开能力, 400 V 交流 Lovato	10	1: ¥275.84	-	400 V ac	25 kA	17 → 23 A	17 → 23 A	Screw	螺钉	0.1 → 10 A
2 11 SM1B 20 Circuit Breaker, 400Vac, 1A to 1.6A Lovato 1 → 1.6 A 电动机保护断路器 , 100 kA断开能力, 400 V 交流 Lovato	11	1: ¥212.06	-	400 V ac	100 kA	1 → 1.6 A	1 → 1.6 A	Screw	螺钉	0.1 → 10 A
2 11 SM1B 44 Circuit Breaker, 400Vac, 13A to 18A Lovato 13 → 18 A 电动机保护断路器 , 25 kA断开能力, 400 V 交流 Lovato	10	1: ¥258.03	-	400 V ac	25 kA	13 → 18 A	13 → 18 A	Screw	螺钉	0.1 → 10 A

cigen-11 SM1B

Series Images (3)

Frequently Asked Questions

11 SM1B - Part List

Current Rating (Max)

Voltage - Supply (Min)

Voltage - Supply