Sang Mao is an ISO9001:2008 certified  manufacturer of safety protection devices for electrical and electronic circuitry.
Solution to Overload, Overheat, Short-Circuit, etc.
Widely Applied: Tooling Machine, Automation Equipment, Home Appliance, Compressor, Motor Engine, etc.
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About Us

Established in 1984, Sang Mao Enterprise Co. Ltd is an ISO 9001:2015 certified manufacturer of safety protection devices for electrical and electronic circuitry. We offer a wide range of thermal Circuit Breakers, Thermostats, and Motor Protection products that answer OVERLOAD, OVERHEAT, SURGE, and GROUND FAULT problems.

Our products comply with UL, CSA, VDE, TUV, 3C safety regulations. We also offer OEM, ODM support. Sang Mao is constantly supplying to esteemed global companies, such as ASAHI TECH, HPM, GENERAC, OMEGA, SCHURTER, EATON, Rexon, AHOKU, POWERTECH,etc.

Our products are widely used in home appliance, office equipment, industrial machinery, DIY tools, conference systems, amplifiers, Air conditioners, electronic equipment, Agricultural equipment, etc.

We can be one of your best suppliers as we offer top-notch quality at competitive price, and Sangmao's products are 100% Made in Taiwan.

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MCB Miniature Circuit Breaker,OVERLOAD,MOTOR PROTECTOR,NO-FUSE BREAKER,MINIATURE CIRCUIT BREAKER,Motor Circuit Protector,Over Current Protection
PRODUCT NAME: CIRCUIT BREAKER SPECIFICATION: STANDARD RATING: 2-45 AMPERE. INPUT POWER: 50 VDC /125 VAC / 250 VAC. DIELECTRIC STRENGTH: 1500 VAC / 1 MINUTE. INSULATION RESISTANCE : > 100 MΩ. CALIBRATION: 25-100%OF RATED CURRENT - CONTINUOUSLY CARRIED. 25℃-BETWEEN 101% TO 134% - MAY TRIP OR NOT. 25℃- 135% OF RATED CURRENT - TRIP WITHIN 1 HOUR. 165% OF 3 ~ 4A - TRIP WITHIN 1 HOUR. 25℃- 200% OF RATED CURRENT - TRIP WITHIN 1 MINUTE CONTACT ENDURANCE: 125VAC x 150% OF RATED CURRENT-500 CYCLES. DEGREE OF TRIP - FREE BEHAVIOUR: “CYCLING TRIP - FREE “. RESET: MANUAL PUSH RESET. APPROVALS: UL,CSA,VDE. APPLICATION: AC & DC MOTOR GENERATOR POWER STRIP COMMON PROTECT SANG MAO ENTERPRISE CO., LTD. Add: No. 8 Jing Hua Road Yong Kang District, Taiwan 71041, Taiwan TEL: 886-6-2331061 FAX: 886-6-2324223 www.sangmao.com sangmao@sangmao.com.tw
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THERMOSTAT,OVERHEAT,PROTECTOR,THERMAL SWITCH,THERMAL CUT-OFF,Control Components,Temperature controllers,Temperature switches
PRODUCT NAME: THERMOSTAT SPECIFICATIONS:  TEMPERATURE RANGE: 45 - 165℃. OPERATING TOLERANCE: ±5℃ , ±8℃ , ±10℃. RESET DIFFERENTIAL: 10℃ - 50℃. INPUT POWER: 32 VDC / 125 VAC / 250 VAC. CONTACTS TYPE: NORMALLY CLOSE /                                  NORMALLY OPEN. CONTACTS ENDURANCE: (RESISTIVE LOAD) 32VDC x 100 mA --  50,000 CYCLES. 125VAC x    10A -- 100,000 CYCLES. 125VAC x    15A --  30,000 CYCLES. 250VAC x     6A --  30,000 CYCLES. INTERRUPT CAPACITY: 125VAC x 60A -- 5 CYCLES . OVERSHOOT TEMPERATURE: 200℃ / 5 MINUTES . DIELECTRIC STRENGTH: 1500VAC / 1 MINUTE . METHOD OF OPERATION:                  AUTOMATIC INTERRUPTION                                AND AUTOMATIC RESETTING . RESET TYPE: AUTO RESET. APPLICATION: COFFEE MAKER HOT PLATE HOME APPLIANCE COMMON PROTECT
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MOTOR PROTECTOR,OVERLOAD PROTECTOR,OVERHEAT PROTECTOR,Control Components,Circuit Protection
Specifications:  Standard Rating: 1/3 HP ~ 3 HP. Operating temperature:90℃~135℃ Operating tolerance:± 5℃ Resume temperature tolerance:± 12℃ Trip time:10 ± 5 seconds Input power : 110-120 VAC/220-240 VAC Dielectric strength : 1500 VAC / 1 MIN Reset type : Automatic or Manual reset Base type : Eared or Round Approval: UL. Features: Single–Phase Type Motors Normally closed contacts type Solution to Motor Overheat and Locked rotor. Temperature and Current Dual Protection Used In Single and Dual Voltage Type Motors Variety mounting and terminal options. Application: Industrial motors Various types of pumps Compressor Air conditioning Agricultural equipment Home appliances SANG MAO ENTERPRISE CO., LTD. Add:  No. 8 Jing Hua Road Yong Kang District, Taiwan 71041, Taiwan TEL: 886-6-2331061 FAX: 886-6-2324223 www.sangmao.com sangmao@sangmao.com.tw
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