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12.5 A Circuit Protection

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Circuit Breakers MSP S0 9 - 12.5A SCREW 3RV20211KA10 Siemens 1: $319.28 10In Stock	Mfr. Part No. 3RV20211KA10 Mouser Part No 982-3RV20211KA10	Siemens	Circuit Breakers MSP S0 9 - 12.5A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	10In Stock	$319.28 $264.58 $241.24 $211.43 View Quote	Min.: 1 Mult.: 1
Cartridge Fuses 420V 12.5A 5X20 FA PT 048712.5MXEP Littelfuse 1: $6.97 883In Stock	Mfr. Part No. 048712.5MXEP Mouser Part No 576-048712.5MXEP	Littelfuse	Cartridge Fuses 420V 12.5A 5X20 FA PT Learn More about Littelfuse 487 series fuses	Datasheet	883In Stock	$6.97 $5.79 $5.34 $4.43 View $4.09 $3.68 $3.42	Min.: 1 Mult.: 1
Cartridge Fuses 12.5A 500VAC 3AB CARTRIDGE 051412.5MXP Littelfuse 1: $8.22 313In Stock	Mfr. Part No. 051412.5MXP Mouser Part No 576-051412.5MXP	Littelfuse	Cartridge Fuses 12.5A 500VAC 3AB CARTRIDGE Learn More about Littelfuse 514 fuses	Datasheet	313In Stock	$8.22 $6.83 $6.11 $5.20 View $4.81 $4.52 $4.08	Min.: 1 Mult.: 1
Cartridge Fuses SPT 250V 12.5A 0001.2535 Schurter 1: $4.99 574In Stock	Mfr. Part No. 0001.2535 Mouser Part No 693-0001.2535	Schurter	Cartridge Fuses SPT 250V 12.5A	Datasheet	574In Stock	$4.99 $4.43 $3.59 $3.36 View $3.05 $2.83 $2.67	Min.: 1 Mult.: 1
Cartridge Fuses FST 5X20 250V 12.5A 0034.3128 Schurter 1: $1.04 6,175In Stock	Mfr. Part No. 0034.3128 Mouser Part No 693-0034.3128	Schurter	Cartridge Fuses FST 5X20 250V 12.5A	Datasheet	6,175In Stock	$1.04 $0.954 $0.792 $0.732 View $0.645 $0.606 $0.554 $0.527 $0.461	Min.: 1 Mult.: 1
Cartridge Fuses SP PT 5X20 12.5A 0001.1015.PT Schurter 1: $1.29 2,493In Stock	Mfr. Part No. 0001.1015.PT Mouser Part No 693-0001.1015.PT	Schurter	Cartridge Fuses SP PT 5X20 12.5A	Datasheet	2,493In Stock	$1.29 $1.19 $0.984 $0.908 View $0.812 $0.741 $0.666 $0.604 $0.565	Min.: 1 Mult.: 1
Surface Mount Fuses UMT-H 12.5A T FUSE 3403.0285.11 Schurter 1: $3.26 892In Stock	Mfr. Part No. 3403.0285.11 Mouser Part No 693-3403.0285.11	Schurter	Surface Mount Fuses UMT-H 12.5A T FUSE	Datasheet	892In Stock	Cut Tape $3.26 $3.01 $2.50 Reel $2.16 $1.97 View $1.71 $1.67 $1.63 $1.52	Min.: 1 Mult.: 1 : 100
Cartridge Fuses 12.5A 420V FAST ACTING BK-S520-V-12-5-R Eaton Electronics 1: $5.99 448In Stock	Mfr. Part No. BK-S520-V-12-5-R Mouser Part No 504-BK-S520-V-12-5-R	Eaton Electronics	Cartridge Fuses 12.5A 420V FAST ACTING Learn More about Eaton Electronics eaton s520	Datasheet	448In Stock	$5.99 $5.02 $3.91 $3.80 View $3.74 $3.54 $2.94 Quote	Min.: 1 Mult.: 1
Cartridge Fuses FST PT 5X20 12.5A 0034.3128.PT Schurter 1: $1.37 1,754In Stock	Mfr. Part No. 0034.3128.PT Mouser Part No 693-0034.3128.PT	Schurter	Cartridge Fuses FST PT 5X20 12.5A	Datasheet	1,754In Stock	$1.37 $1.26 $0.997 $0.933 View $0.814 $0.768 $0.715 $0.67 $0.602	Min.: 1 Mult.: 1
Circuit Breakers MU1B107121A21BM MU1-B-10-712-1-A21-B-M Carling Technologies 1: $54.47 41In Stock	Mfr. Part No. MU1-B-10-712-1-A21-B-M Mouser Part No 691-MU1B107121A21BM	Carling Technologies	Circuit Breakers MU1B107121A21BM Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	41In Stock	$54.47 $45.18 $41.51 $35.87 View $33.62 $31.39	Min.: 1 Mult.: 1
Cartridge Fuses Glass Tube Fuse, 5x20 mm Size, Slow Blow, 12.5A 0652C9125-11 Bel Fuse 1: $0.63 653In Stock New At Mouser	Mfr. Part No. 0652C9125-11 Mouser Part No 530-0652C9125-11 New At Mouser	Bel Fuse	Cartridge Fuses Glass Tube Fuse, 5x20 mm Size, Slow Blow, 12.5A Learn More about Bel Fuse bel type 0652c 0652p fuses	Datasheet	653In Stock	$0.63 $0.576 $0.479 $0.442 View $0.397 $0.374 $0.337 $0.311 $0.278	Min.: 1 Mult.: 1
Circuit Breakers MSP S00 9-12.5A SCREW 3RV20111KA10 Siemens 1: $283.66 11In Stock	Mfr. Part No. 3RV20111KA10 Mouser Part No 982-3RV20111KA10	Siemens	Circuit Breakers MSP S00 9-12.5A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	11In Stock	$283.66 $253.91 $235.30 $200.66	Min.: 1 Mult.: 1
Circuit Breakers TMCB UL489 S00 12.5A SCREW 3RV27111KD10 Siemens 1: $593.39 4In Stock	Mfr. Part No. 3RV27111KD10 Mouser Part No 982-3RV27111KD10	Siemens	Circuit Breakers TMCB UL489 S00 12.5A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	4In Stock	$593.39 $505.16 $492.91 View Quote	Min.: 1 Mult.: 1
Cartridge Fuses 250V FA HBC PT 5X20MM RoHS 12.5A 021612.5MXEP Littelfuse 1: $3.23 966In Stock 1,000Expected 2026/10/29	Mfr. Part No. 021612.5MXEP Mouser Part No 576-021612.5MXEP	Littelfuse	Cartridge Fuses 250V FA HBC PT 5X20MM RoHS 12.5A Learn More about Littelfuse 5x20 fuseholders	Datasheet	966In Stock 1,000Expected 2026/10/29	$3.23 $2.67 $2.02 $1.72 $1.60	Min.: 1 Mult.: 1
Cartridge Fuses 250V 12.5A FA HBC 5X20MM 021612.5MXP Littelfuse 1: $2.24 4,307In Stock	Mfr. Part No. 021612.5MXP Mouser Part No 576-021612.5MXP	Littelfuse	Cartridge Fuses 250V 12.5A FA HBC 5X20MM Learn More about Littelfuse 5x20 fuseholders	Datasheet	4,307In Stock	$2.24 $1.95 $1.80 $1.50 View $1.36 $1.24 $1.14	Min.: 1 Mult.: 1
Cartridge Fuses 420V 12.5A 5X20 FA 048712.5MXP Littelfuse 1: $6.97 484In Stock	Mfr. Part No. 048712.5MXP Mouser Part No 576-048712.5MXP	Littelfuse	Cartridge Fuses 420V 12.5A 5X20 FA Learn More about Littelfuse 487 series fuses	Datasheet	484In Stock	$6.97 $5.79 $5.34 $4.43 View $4.02 $3.76	Min.: 1 Mult.: 1
Circuit Breakers MSP S00 9-12.5A AUX 1NO 1NC SCREW 3RV20111KA15 Siemens 1: $332.51 4In Stock	Mfr. Part No. 3RV20111KA15 Mouser Part No 982-3RV20111KA15	Siemens	Circuit Breakers MSP S00 9-12.5A AUX 1NO 1NC SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	4In Stock	$332.51 $280.85 $272.98 $272.96 View Quote	Min.: 1 Mult.: 1
Circuit Breakers MSP S00 9-12.5A AUX 1NO 1NC SPRING 3RV20111KA25 Siemens 1: $354.56 1In Stock	Mfr. Part No. 3RV20111KA25 Mouser Part No 982-3RV20111KA25	Siemens	Circuit Breakers MSP S00 9-12.5A AUX 1NO 1NC SPRING Learn More about Siemens 3rv2 circuit breakers	Datasheet	1In Stock	$354.56 $287.16 $277.15 $277.13 View Quote	Min.: 1 Mult.: 1
Circuit Breakers MSP S0 9 - 12.5A SPRING 3RV20211KA20 Siemens 1: $317.56 3In Stock	Mfr. Part No. 3RV20211KA20 Mouser Part No 982-3RV20211KA20	Siemens	Circuit Breakers MSP S0 9 - 12.5A SPRING Learn More about Siemens 3rv2 circuit breakers	Datasheet	3In Stock	$317.56 $295.63 $286.23 $274.75 View Quote	Min.: 1 Mult.: 1
Cartridge Fuses 250V 12.5A 5X20 TL LBC 021812.5MXP Littelfuse 1: $2.27 1,165In Stock	Mfr. Part No. 021812.5MXP Mouser Part No 576-021812.5MXP	Littelfuse	Cartridge Fuses 250V 12.5A 5X20 TL LBC Learn More about Littelfuse 5x20 fuseholders	Datasheet	1,165In Stock	$2.27 $1.95 $1.80 $1.49 View $1.35 $1.24 $1.13	Min.: 1 Mult.: 1
Cartridge Fuses SLOW BLOW 5X20 12.5A 0001.2515 Schurter 1: $0.93 6,314In Stock	Mfr. Part No. 0001.2515 Mouser Part No 693-0001.2515	Schurter	Cartridge Fuses SLOW BLOW 5X20 12.5A	Datasheet	6,314In Stock	$0.93 $0.841 $0.668 $0.629 View $0.586 $0.52 $0.479 $0.461 $0.429	Min.: 1 Mult.: 1
Surface Mount Fuses UMT-H 12.5A T FUSE 3403.0285.23 Schurter 1: $3.26 3,208In Stock	Mfr. Part No. 3403.0285.23 Mouser Part No 693-3403.0285.23	Schurter	Surface Mount Fuses UMT-H 12.5A T FUSE Learn More about Schurter Schurter UMT H	Datasheet	3,208In Stock	Cut Tape $3.26 $3.01 $2.50 $2.31 View Reel $1.69 $2.07 $1.91 $1.69	Min.: 1 Mult.: 1 : 1,500
Cartridge Fuses 12.5A F QUICK ACTING 6.3x32mm 500VAC 8020.5079 Schurter 1: $1.36 5,449In Stock	Mfr. Part No. 8020.5079 Mouser Part No 693-8020.5079	Schurter	Cartridge Fuses 12.5A F QUICK ACTING 6.3x32mm 500VAC Learn More about Schurter shf 63 32 fuses	Datasheet	5,449In Stock	$1.36 $1.07 $0.934 $0.879 View $0.799 $0.728 $0.671 $0.618 $0.615	Min.: 1 Mult.: 1
Cartridge Fuses S520 420Vac, 12.5A, bulk BK/S520-12-5-R Eaton Electronics 1: $7.09 12In Stock	Mfr. Part No. BK/S520-12-5-R Mouser Part No 504-BK/S520-12-5-R	Eaton Electronics	Cartridge Fuses S520 420Vac, 12.5A, bulk Learn More about Eaton Electronics eaton s520	Datasheet	12In Stock	$7.09 $6.59 $5.88 $4.57 View $4.20 $3.69 $3.47	Min.: 1 Mult.: 1
Cartridge Fuses SMALL DIM. FUSE BK/S506-12.5-R Eaton Electronics 1: $5.85 70In Stock	Mfr. Part No. BK/S506-12.5-R Mouser Part No 504-BK/S506-12.5-R	Eaton Electronics	Cartridge Fuses SMALL DIM. FUSE	Datasheet	70In Stock	$5.85 $5.04 $4.70 $4.61 $4.49	Min.: 1 Mult.: 1

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