Thermal Cutoffs – Mouser Mexico

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B Series Bimetal Snap-Action Temperature Switches

Microtherm Sentronic B Series Bimetal Snap-Action Temperature Switches feature a bimetallic snap-disc with a fixed switching temperature as the switching mechanism. The function of these switches includes typically closed or normally open operation, commonly used as a temperature limiter to protect or control devices from overheating. The B Series offers a current rating of 1-13A max to 30A, up to 10,000 switching cycles, with various packaging options. These switches also feature non-current carrying brass contacts. Microtherm Sentronic B Series Bimetal Snap-Action Temperature Switches are ideal for motors, transformers, electronics, sensors, pumps, converters, and more applications.

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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.	Series	Packaging
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 80C switch temp. B12A08005L310100U112 Microtherm Sentronic 1: $11.54 1,037In Stock	Mfr. Part # B12A08005L310100U112 Mouser Part # 256-B2A08005L3000U2	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 80C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	1,037In Stock	$11.54 $10.01 $8.07 $6.84 View $6.66 $5.62 $5.37 $4.60	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 90C switch temp. B12A09005L310100 Microtherm Sentronic 1: $11.21 633In Stock	Mfr. Part # B12A09005L310100 Mouser Part # 256-B12A09005L310100	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 90C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	633In Stock	$11.21 $9.71 $7.84 $6.63 View $6.46 $5.45 $5.20 $4.47	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp. B12A12505L310100U253 Microtherm Sentronic 1: $11.77 993In Stock	Mfr. Part # B12A12505L310100U253 Mouser Part # 256-B2A2505L3000U253	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	993In Stock	$11.77 $10.19 $8.23 $6.97 View $6.79 $5.72 $5.46 $4.69	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. B12A07005L310100U253 Microtherm Sentronic 1: $11.77 875In Stock	Mfr. Part # B12A07005L310100U253 Mouser Part # 256-B2A75L3U253	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	875In Stock	$11.77 $10.19 $8.23 $6.97 View $6.79 $5.72 $5.46 $4.69	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. B12A07005L310100U294 Microtherm Sentronic 1: $11.77 729In Stock	Mfr. Part # B12A07005L310100U294 Mouser Part # 256-B2A75L3U294	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	729In Stock	$11.77 $10.19 $8.23 $6.97 View $6.79 $5.72 $5.46 $4.69	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. B12E07005L310100G714 Microtherm Sentronic 1: $14.50 747In Stock	Mfr. Part # B12E07005L310100G714 Mouser Part # 256-B2E07005L3000G74	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	747In Stock	$14.50 $12.56 $10.14 $8.58 View $8.36 $7.05 $6.73 $5.79	Min.: 1 Mult.: 1	B12E	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp. B12E15005 L370100G714 Microtherm Sentronic 1: $14.50 982In Stock	Mfr. Part # B12E15005 L370100G714 Mouser Part # 256-B2E5005L3000G74	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	982In Stock	$14.50 $12.56 $10.14 $8.58 View $8.36 $7.05 $6.73 $5.79	Min.: 1 Mult.: 1	B12E	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp. B12A15505 L370100U186 Microtherm Sentronic 1: $11.67 897In Stock	Mfr. Part # B12A15505 L370100U186 Mouser Part # 256-B2A5505L3000U86	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	897In Stock	$11.67 $10.11 $8.16 $6.92 View $6.73 $5.67 $5.42 $4.65	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp. B12A14005L310100U112 Microtherm Sentronic 1: $11.54 901In Stock	Mfr. Part # B12A14005L310100U112 Mouser Part # 256-B2A4005L3000U2	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	901In Stock	$11.54 $10.01 $8.07 $6.84 View $6.66 $5.62 $5.37 $4.60	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp. B12A15505 L370100U186B245 Microtherm Sentronic 1: $12.86 997In Stock	Mfr. Part # B12A15505 L370100U186B245 Mouser Part # 256-B2A5505L3000B245	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	997In Stock	$12.86 $11.14 $9.00 $7.62 View $7.42 $6.25 $5.98 $5.14	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp. B12A15505 L370100U294 Microtherm Sentronic 1: $11.75 1,001In Stock	Mfr. Part # B12A15505 L370100U294 Mouser Part # 256-B2A5505L3000U294	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	1,001In Stock	$11.75 $10.18 $8.22 $6.97 View $6.79 $5.72 $5.46 $4.69	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp. B12A16005 L370100U186B245 Microtherm Sentronic 1: $12.86 600In Stock	Mfr. Part # B12A16005 L370100U186B245 Mouser Part # 256-B2A6005L3000B245	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	600In Stock	$12.86 $11.14 $9.00 $7.62 View $7.42 $6.25 $5.98 $5.14	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp. B12A16005 L370100U112 Microtherm Sentronic 1: $11.54 979In Stock	Mfr. Part # B12A16005 L370100U112 Mouser Part # 256-B2A6005L3000U2	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	979In Stock	$11.54 $10.01 $8.07 $6.84 View $6.66 $5.62 $5.37 $4.60	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp. B12A12505L310100U186 Microtherm Sentronic 1: $11.67 590In Stock	Mfr. Part # B12A12505L310100U186 Mouser Part # 256-B2A2505L3000U86	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	590In Stock	$11.67 $10.11 $8.16 $6.92 View $6.73 $5.67 $5.42 $4.65	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. B12A07005L310100U186 Microtherm Sentronic 1: $11.67 942In Stock	Mfr. Part # B12A07005L310100U186 Mouser Part # 256-B2A07005L3000U86	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	942In Stock	$11.67 $10.11 $8.16 $6.92 View $6.73 $5.67 $5.42 $4.65	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp. B12A15005 L370100U186 Microtherm Sentronic 1: $11.67 1,004In Stock	Mfr. Part # B12A15005 L370100U186 Mouser Part # 256-B2A5005L3000UU86	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	1,004In Stock	$11.67 $10.11 $8.16 $6.92 View $6.73 $5.67 $5.42 $4.65	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp. B12A15505 L370100U112 Microtherm Sentronic 1: $11.53 999In Stock	Mfr. Part # B12A15505 L370100U112 Mouser Part # 256-B2A5505L3000U2	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	999In Stock	$11.53 $10.00 $8.06 $6.84 View $6.66 $5.62 $5.37 $4.60	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp. B12A15505 L370100U253 Microtherm Sentronic 1: $11.77 500In Stock	Mfr. Part # B12A15505 L370100U253 Mouser Part # 256-B2A5505L3000U253	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	500In Stock	$11.77 $10.19 $8.23 $6.97 View $6.79 $5.72 $5.46 $4.69	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp. B12A16005 L370100U253 Microtherm Sentronic 1: $11.77 980In Stock	Mfr. Part # B12A16005 L370100U253 Mouser Part # 256-B2A6005L3000U253	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	980In Stock	$11.77 $10.19 $8.23 $6.97 View $6.79 $5.72 $5.46 $4.69	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp. B12A16005 L370100 Microtherm Sentronic 1: $11.21 1,016In Stock	Mfr. Part # B12A16005 L370100 Mouser Part # 256-B12A16005L310100	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	1,016In Stock	$11.21 $9.71 $7.84 $6.63 View $6.46 $5.45 $5.20 $4.47	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. B12A07005L310100U112 Microtherm Sentronic 1: $11.54 917In Stock	Mfr. Part # B12A07005L310100U112 Mouser Part # 256-B2A07005L3000U2	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	917In Stock	$11.54 $10.01 $8.07 $6.84 View $6.66 $5.62 $5.37 $4.60	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp. B12A14005L310100U253 Microtherm Sentronic 1: $11.77 968In Stock	Mfr. Part # B12A14005L310100U253 Mouser Part # 256-B2A4005L3000U253	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	968In Stock	$11.77 $10.19 $8.23 $6.97 View $6.79 $5.72 $5.46 $4.69	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp. B12A14005L310100U294 Microtherm Sentronic 1: $8.14 1,004In Stock	Mfr. Part # B12A14005L310100U294 Mouser Part # 256-B2A4005L3000U294	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	1,004In Stock	$8.14 $6.86 $6.37 $5.79 View $5.38 $5.01 $4.62 $3.91	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp. B12A15005 L370100U186B245 Microtherm Sentronic 1: $12.86 998In Stock	Mfr. Part # B12A15005 L370100U186B245 Mouser Part # 256-B2A5005L3000B245	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	998In Stock	$12.86 $11.14 $9.00 $7.62 View $7.42 $6.25 $5.98 $5.14	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp. B12A15005 L370100U112 Microtherm Sentronic 1: $11.54 947In Stock	Mfr. Part # B12A15005 L370100U112 Mouser Part # 256-B2A5005L3000U2	Microtherm Sentronic	Thermal Cutoffs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	947In Stock	$11.54 $10.01 $8.07 $6.84 View $6.66 $5.62 $5.37 $4.60	Min.: 1 Mult.: 1	B12A	Bulk

B Series Bimetal Snap-Action Temperature Switches

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