Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
360°
+7 images
3120-N321-P7T1-W01D-4A
E-T-A
1:
$41.05
3 In Stock
10 Expected 07/09/2026
Mouser Part No 457-321P7T1W01D4A
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
3 In Stock
10 Expected 07/09/2026
1
$41.05
5
$34.04
10
$31.38
30
$31.36
50
View
50
$25.95
100
$21.30
250
$19.79
500
$19.64
1,000
Quote
Buy
Min.: 1 Mult.: 1
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
360°
+7 images
3120-N323-P7T1-W02L-5A
E-T-A
1:
$45.11
20 In Stock
Mouser Part No 457-323P7T1W02L5A
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
20 In Stock
1
$45.11
5
$36.86
10
$30.18
50
$29.51
100
View
100
$27.16
250
$26.70
500
Quote
Buy
Min.: 1 Mult.: 1
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload pro
3120-N32A-H7T1-W12LY4-1A
E-T-A
1:
$57.52
10 In Stock
Mouser Part No 457-32AH7T1W12LY41A
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload pro
10 In Stock
1
$57.52
5
$49.25
10
$44.01
50
$41.93
100
View
100
$36.25
250
$34.78
500
Quote
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
360°
+7 images
3120-N501-N7Q1-W15FY2-16A
E-T-A
1:
$39.80
5 In Stock
Mouser Part No 457-501N7Q1W15FY216
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
5 In Stock
1
$39.80
5
$33.01
10
$25.78
50
$23.76
250
View
250
$23.40
500
$22.83
1,000
Quote
Buy
Min.: 1 Mult.: 1
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload protection of motors
3120-N521-H7T1-W01D-1A
E-T-A
1:
$46.95
8 In Stock
Mouser Part No 457-521H7T1W01D1
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload protection of motors
8 In Stock
1
$46.95
5
$38.95
10
$32.13
50
$28.07
100
View
100
$22.25
250
$21.31
500
$21.25
1,000
Quote
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload protection of motors
360°
+7 images
3120-N521-H7T1-W01D-10A
E-T-A
1:
$46.95
7 In Stock
Mouser Part No 457-521H7T1W01D10
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload protection of motors
7 In Stock
1
$46.95
5
$40.35
10
$34.29
50
$28.07
100
View
100
$22.25
250
$21.31
500
$21.25
1,000
Quote
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
360°
+7 images
3120-N521-P7T1-W01D-12A
E-T-A
1:
$32.62
5 In Stock
Mouser Part No 457-521P7T1W01D12
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
5 In Stock
1
$32.62
5
$27.07
10
$24.96
50
$21.85
100
View
100
$19.05
250
$17.65
500
$16.78
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
360°
+7 images
3120-N521-P7T1-W01D-20A
E-T-A
1:
$34.20
8 In Stock
10 Expected 07/08/2026
Mouser Part No 457-521P7T1W01D20
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
8 In Stock
10 Expected 07/08/2026
1
$34.20
5
$28.38
10
$26.17
100
$19.98
Buy
Min.: 1 Mult.: 1
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
360°
+6 images
3120-N521-P7T1-W02D-10A
E-T-A
1:
$44.44
9 In Stock
Mouser Part No 457-521P7T1W02D10
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
9 In Stock
1
$44.44
5
$36.88
10
$29.38
50
$26.77
100
View
100
$24.03
250
$22.61
500
$22.41
1,000
Quote
Buy
Min.: 1 Mult.: 1
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload pr
360°
+7 images
3120-N521-P7T1-W19DG4-8A
E-T-A
1:
$41.65
18 In Stock
Mouser Part No 457-521P7T1W19DG
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload pr
18 In Stock
1
$41.65
5
$39.72
50
$31.74
250
$31.35
1,000
Quote
1,000
Quote
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Min.: 1 Mult.: 1
Details
Circuit Breakers Miniaturised single pole rocker switch/thermal circuit breaker combining ON/OFF switching and extremely fast overload performance in a single component (S-type TO CBE to EN 60934/IEC 934). Under overload conditions an internal neon (f
1410-F110-P1F1-W14Q-6.3A
E-T-A
1:
$26.22
33 In Stock
Mouser Part No 457-F110P1F1W14Q6.3A
E-T-A
Circuit Breakers Miniaturised single pole rocker switch/thermal circuit breaker combining ON/OFF switching and extremely fast overload performance in a single component (S-type TO CBE to EN 60934/IEC 934). Under overload conditions an internal neon (f
33 In Stock
1
$26.22
5
$24.21
10
$22.19
50
$16.57
100
View
100
$15.69
250
$14.62
500
$13.94
1,000
Quote
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers Miniaturised single pole rocker switch/thermal circuit breaker combining ON/OFF switching and extremely fast overload performance in a single component (S-type TO CBE to EN 60934/IEC 934). Under overload conditions an internal neon (f
1410-F110-P1F1-W14QE3-5A
E-T-A
1:
$28.34
64 In Stock
Mouser Part No 457-F110P1F1W14QE35A
E-T-A
Circuit Breakers Miniaturised single pole rocker switch/thermal circuit breaker combining ON/OFF switching and extremely fast overload performance in a single component (S-type TO CBE to EN 60934/IEC 934). Under overload conditions an internal neon (f
64 In Stock
1
$28.34
5
$23.51
10
$21.69
50
$18.41
100
View
100
$16.55
250
$14.85
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double
3130-F120-P7T1-W12QY7-3A
E-T-A
1:
$61.01
25 In Stock
30 Expected 15/07/2026
Mouser Part No 457-F120P7T1W12QY73A
E-T-A
Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double
25 In Stock
30 Expected 15/07/2026
1
$61.01
5
$43.38
10
$40.00
50
$32.96
250
View
250
$30.55
500
Quote
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
3120-N311-P7T1-W01D-15A
E-T-A
1:
$26.10
20 In Stock
Mouser Part No 457-N311P7T1W01D15
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
20 In Stock
1
$26.10
5
$22.14
10
$18.23
50
$17.32
100
View
100
$15.11
250
$14.13
500
$13.39
1,000
Quote
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
3120-N311-P7T1-W01D-20A
E-T-A
1:
$30.38
36 In Stock
Mouser Part No 457-N311P7T1W01D20
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
36 In Stock
1
$30.38
5
$25.21
10
$21.51
50
$18.29
100
View
100
$15.47
250
$14.70
500
$13.82
1,000
Quote
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
3120-N311-P7T1-W01D-5A
E-T-A
1:
$30.38
25 In Stock
Mouser Part No 457-N311P7T1W01D5
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
25 In Stock
1
$30.38
5
$25.21
10
$21.86
50
$18.20
100
View
100
$15.39
500
$14.73
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
3120-N311-P7T1-W02D-20A
E-T-A
1:
$30.38
9 In Stock
Mouser Part No 457-N311P7T1W02D20
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
9 In Stock
1
$30.38
5
$25.21
10
$23.25
50
$18.23
100
View
100
$15.33
250
$14.12
500
$13.34
1,000
Quote
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
3120-N321-P7T1-W01D-10A
E-T-A
1:
$34.20
43 In Stock
100 Expected 15/07/2026
Mouser Part No 457-N321P7T1W01D10
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
43 In Stock
100 Expected 15/07/2026
1
$34.20
5
$28.95
10
$26.71
50
$25.59
100
View
100
$19.76
250
$19.19
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
3120-N321-P7T1-W01D-15A
E-T-A
1:
$34.20
23 In Stock
Mouser Part No 457-N321P7T1W01D15
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
23 In Stock
1
$34.20
5
$28.38
10
$26.17
50
$25.59
100
View
100
$19.98
250
$19.97
500
$19.52
1,000
Quote
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
3120-N321-P7T1-W01D-16A
E-T-A
1:
$33.97
21 In Stock
Mouser Part No 457-N321P7T1W01D16
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
21 In Stock
1
$33.97
5
$28.33
10
$25.66
50
$21.85
100
View
100
$18.95
250
$17.91
500
$16.78
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
3120-N321-P7T1-W01D-2A
E-T-A
1:
$45.64
20 In Stock
Mouser Part No 457-N321P7T1W01D2
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
20 In Stock
1
$45.64
5
$37.87
10
$37.86
50
$35.12
100
$26.64
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
3120-N321-P7T1-W01D-5A
E-T-A
1:
$34.20
18 In Stock
30 Expected 09/07/2026
Mouser Part No 457-N321P7T1W01D5
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
18 In Stock
30 Expected 09/07/2026
1
$34.20
5
$28.38
10
$26.17
50
$25.59
100
View
100
$19.98
500
$19.47
1,000
Quote
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
3120-N321-P7T1-W02D-15A
E-T-A
1:
$40.76
4 In Stock
Mouser Part No 457-N321P7T1W02D15
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
4 In Stock
1
$40.76
5
$34.25
10
$29.49
50
$26.37
100
View
100
$22.31
250
$20.71
500
$20.69
1,000
Quote
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
3120-N321-P7T1-W02D-6A
E-T-A
1:
$44.44
29 In Stock
Mouser Part No 457-N321P7T1W02D6
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
29 In Stock
1
$44.44
5
$36.88
10
$36.34
50
$31.33
100
View
100
$28.18
250
$27.20
500
Quote
Buy
Min.: 1 Mult.: 1
Details
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
3120-N321-P7T1-W19DG4-15A
E-T-A
1:
$42.93
14 In Stock
10 Expected 28/08/2026
Mouser Part No 457-N321P7T1W19DG415
E-T-A
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot
14 In Stock
10 Expected 28/08/2026
1
$42.93
5
$39.72
50
$31.70
100
$28.10
250
View
250
$26.25
500
Quote
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Min.: 1 Mult.: 1
Details
