Thermal Cut-offs – Mouser Hong Kong

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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 (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Packaging
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 80C switch temp. B12A08005L310100U112 Microtherm Sentronic 1: HK$72.99 1,037In Stock	Mfr. Part No. B12A08005L310100U112 Mouser Part No 256-B2A08005L3000U2	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 80C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	1,037In Stock	HK$72.99 HK$63.29 HK$51.05 HK$43.24 View HK$42.09 HK$35.51 HK$33.95 HK$29.10	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp. B12A12505L310100U253 Microtherm Sentronic 1: HK$74.39 993In Stock	Mfr. Part No. B12A12505L310100U253 Mouser Part No 256-B2A2505L3000U253	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	993In Stock	HK$74.39 HK$64.44 HK$52.03 HK$44.06 View HK$42.91 HK$36.17 HK$34.52 HK$29.67	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. B12A07005L310100U253 Microtherm Sentronic 1: HK$74.39 875In Stock	Mfr. Part No. B12A07005L310100U253 Mouser Part No 256-B2A75L3U253	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	875In Stock	HK$74.39 HK$64.44 HK$52.03 HK$44.06 View HK$42.91 HK$36.17 HK$34.52 HK$29.67	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. B12E07005L310100G714 Microtherm Sentronic 1: HK$91.65 747In Stock	Mfr. Part No. B12E07005L310100G714 Mouser Part No 256-B2E07005L3000G74	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	747In Stock	HK$91.65 HK$79.41 HK$64.12 HK$54.25 View HK$52.85 HK$44.55 HK$42.58 HK$36.58	Min.: 1 Mult.: 1	B12E	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp. B12E15005 L370100G714 Microtherm Sentronic 1: HK$91.65 983In Stock	Mfr. Part No. B12E15005 L370100G714 Mouser Part No 256-B2E5005L3000G74	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	983In Stock	HK$91.65 HK$79.41 HK$64.12 HK$54.25 View HK$52.85 HK$44.55 HK$42.58 HK$36.58	Min.: 1 Mult.: 1	B12E	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 90C switch temp. B12A09005L310100 Microtherm Sentronic 1: HK$70.86 633In Stock	Mfr. Part No. B12A09005L310100 Mouser Part No 256-B12A09005L310100	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 90C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	633In Stock	HK$70.86 HK$61.40 HK$49.57 HK$41.92 View HK$40.85 HK$34.44 HK$32.88 HK$28.28	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. B12A07005L310100U186 Microtherm Sentronic 1: HK$73.82 942In Stock	Mfr. Part No. B12A07005L310100U186 Mouser Part No 256-B2A07005L3000U86	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	942In Stock	HK$73.82 HK$63.95 HK$51.62 HK$43.73 View HK$42.58 HK$35.84 HK$34.28 HK$29.43	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp. B12A15005 L370100U186 Microtherm Sentronic 1: HK$73.82 1,004In Stock	Mfr. Part No. B12A15005 L370100U186 Mouser Part No 256-B2A5005L3000UU86	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	1,004In Stock	HK$73.82 HK$63.95 HK$51.62 HK$43.73 View HK$42.58 HK$35.84 HK$34.28 HK$29.43	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp. B12A15505 L370100U112 Microtherm Sentronic 1: HK$72.91 999In Stock	Mfr. Part No. B12A15505 L370100U112 Mouser Part No 256-B2A5505L3000U2	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	999In Stock	HK$72.91 HK$63.21 HK$50.96 HK$43.24 View HK$42.09 HK$35.51 HK$33.95 HK$29.10	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp. B12A15505 L370100U253 Microtherm Sentronic 1: HK$74.39 500In Stock	Mfr. Part No. B12A15505 L370100U253 Mouser Part No 256-B2A5505L3000U253	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	500In Stock	HK$74.39 HK$64.44 HK$52.03 HK$44.06 View HK$42.91 HK$36.17 HK$34.52 HK$29.67	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp. B12A16005 L370100U253 Microtherm Sentronic 1: HK$74.39 980In Stock	Mfr. Part No. B12A16005 L370100U253 Mouser Part No 256-B2A6005L3000U253	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	980In Stock	HK$74.39 HK$64.44 HK$52.03 HK$44.06 View HK$42.91 HK$36.17 HK$34.52 HK$29.67	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp. B12A14005L310100U112 Microtherm Sentronic 1: HK$72.99 901In Stock	Mfr. Part No. B12A14005L310100U112 Mouser Part No 256-B2A4005L3000U2	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	901In Stock	HK$72.99 HK$63.29 HK$51.05 HK$43.24 View HK$42.09 HK$35.51 HK$33.95 HK$29.10	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp. B12A16005 L370100U112 Microtherm Sentronic 1: HK$72.99 979In Stock	Mfr. Part No. B12A16005 L370100U112 Mouser Part No 256-B2A6005L3000U2	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	979In Stock	HK$72.99 HK$63.29 HK$51.05 HK$43.24 View HK$42.09 HK$35.51 HK$33.95 HK$29.10	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp. B12A12505L310100U186 Microtherm Sentronic 1: HK$73.82 590In Stock	Mfr. Part No. B12A12505L310100U186 Mouser Part No 256-B2A2505L3000U86	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	590In Stock	HK$73.82 HK$63.95 HK$51.62 HK$43.73 View HK$42.58 HK$35.84 HK$34.28 HK$29.43	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 180C switch temp. B12A18005 L370100 Microtherm Sentronic 1: HK$70.86 1,035In Stock	Mfr. Part No. B12A18005 L370100 Mouser Part No 256-B12A18005L310100	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 180C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	1,035In Stock	HK$70.86 HK$61.40 HK$49.57 HK$41.92 View HK$40.85 HK$34.44 HK$32.88 HK$28.28	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 120C switch temp. B12A12005L310100U253 Microtherm Sentronic 1: HK$74.39 960In Stock	Mfr. Part No. B12A12005L310100U253 Mouser Part No 256-B2A2005L3000U253	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 120C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	960In Stock	HK$74.39 HK$64.44 HK$52.03 HK$44.06 View HK$42.91 HK$36.17 HK$34.52 HK$29.67	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp. B12A12505L310100U112 Microtherm Sentronic 1: HK$72.99 916In Stock	Mfr. Part No. B12A12505L310100U112 Mouser Part No 256-B2A2505L3000U2	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	916In Stock	HK$72.99 HK$63.29 HK$51.05 HK$43.24 View HK$42.09 HK$35.51 HK$33.95 HK$29.10	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp. B12A15505 L370100U186 Microtherm Sentronic 1: HK$73.82 897In Stock	Mfr. Part No. B12A15505 L370100U186 Mouser Part No 256-B2A5505L3000U86	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	897In Stock	HK$73.82 HK$63.95 HK$51.62 HK$43.73 View HK$42.58 HK$35.84 HK$34.28 HK$29.43	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp. B12E12505L310100G714 Microtherm Sentronic 1: HK$91.57 932In Stock	Mfr. Part No. B12E12505L310100G714 Mouser Part No 256-B2E2505L3000G74	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	932In Stock	HK$91.57 HK$79.32 HK$64.03 HK$54.25 View HK$52.85 HK$44.55 HK$42.58 HK$36.58	Min.: 1 Mult.: 1	B12E	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp. B12A16005 L370100 Microtherm Sentronic 1: HK$70.86 1,016In Stock	Mfr. Part No. B12A16005 L370100 Mouser Part No 256-B12A16005L310100	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	1,016In Stock	HK$70.86 HK$61.40 HK$49.57 HK$41.92 View HK$40.85 HK$34.44 HK$32.88 HK$28.28	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. B12A07005L310100U112 Microtherm Sentronic 1: HK$72.99 921In Stock	Mfr. Part No. B12A07005L310100U112 Mouser Part No 256-B2A07005L3000U2	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	921In Stock	HK$72.99 HK$63.29 HK$51.05 HK$43.24 View HK$42.09 HK$35.51 HK$33.95 HK$29.10	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp. B12A14005L310100U253 Microtherm Sentronic 1: HK$74.39 968In Stock	Mfr. Part No. B12A14005L310100U253 Mouser Part No 256-B2A4005L3000U253	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	968In Stock	HK$74.39 HK$64.44 HK$52.03 HK$44.06 View HK$42.91 HK$36.17 HK$34.52 HK$29.67	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp. B12A15005 L370100U112 Microtherm Sentronic 1: HK$72.99 997In Stock	Mfr. Part No. B12A15005 L370100U112 Mouser Part No 256-B2A5005L3000U2	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	997In Stock	HK$72.99 HK$63.29 HK$51.05 HK$43.24 View HK$42.09 HK$35.51 HK$33.95 HK$29.10	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp. B12A16005 L370100U186 Microtherm Sentronic 1: HK$73.82 999In Stock	Mfr. Part No. B12A16005 L370100U186 Mouser Part No 256-B2A6005L3000UU86	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	999In Stock	HK$73.82 HK$63.95 HK$51.62 HK$43.73 View HK$42.58 HK$35.84 HK$34.28 HK$29.43	Min.: 1 Mult.: 1	B12A	Bulk
Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp. B12E14005L310100G714 Microtherm Sentronic 1: HK$91.65 1,009In Stock	Mfr. Part No. B12E14005L310100G714 Mouser Part No 256-B2E4005L3000G74	Microtherm Sentronic	Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp. Learn More about Microtherm Sentronic b temperature switches	Datasheet	1,009In Stock	HK$91.65 HK$79.41 HK$64.12 HK$54.25 View HK$52.85 HK$44.55 HK$42.58 HK$36.58	Min.: 1 Mult.: 1	B12E	Bulk

B Series Bimetal Snap-Action Temperature Switches

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