ST01 Thermal Fuse SO6 Temperature Controlled Switch with 50-250℃ Range Normally Closed or Open Auto or Manual Reset

Price Negotiable

Price: USD 0.6~0.7PCS

MOQ: 1000pcs

Delivery Time: 10~15 work days

Brand: HENGHAO

Product Description

ST01 Thermal Fuse SO6 Temperature Controlled Switch ST05 Temperature Controller

BW & BH series thermal protectors provide reliable protection against over-current and over-temperature conditions. These sealed units feature small internal resistance, operate silently, and reset automatically. The temperature and current-sensitive bimetal components change state to cut off or restore circuit connection in response to abnormal conditions.

BH Series Thermostat Specifications

Specification	Details
Electrical Rating	DC-12V max 12A; DC-24V max 10A; AC-125V max 8A; AC-250V max 16A
Open temperature	(30~150)±5°C; 5°C steps
Reset temperature	2/3 of action temperature (±15°C tolerance). Custom reset temperatures available.
Life cycles	10,000 operations
Dimensions	L15mm × W7.1mm × H3.8mm
Lead wire	#22 3266, end half tripping, 70mm length (custom options available)
Certifications	UL E487478 \| CQC16002142880 \| TUV B160592241002

BH Series Thermal Protector Dimensions

Model	Case	Dimensions (mm)	Voltage & Current	Lead Wire
H20	Plastic	18.5 × 8 × 4	DC-12V max 12A; DC-24V max 10A; AC-125V max 8A; AC-250V max 10A	#20 3135, end 5mm half tripping, 70mm length (custom options available)
H21	Metal	18.5 × 7.3 × 3.8	AC250V 20A	#16 3135
BH-A1D	Metal	15 × 6.6 × 3.2	DC-12V max 12A; DC-24V max 10A; AC-125V max 8A; AC-250V	#20 3135, #22 3266, #22 3135, end 5mm half tripping, 70mm length (custom options available)
BH-B2D	Plastic	15 × 7.1 × 3.8
BH-TB02B-B8D	Plastic	15 × 5.2 × 2.4	DC-12V max 4A; DC-24V max 3A; AC-125V max 3A; AC-250V max 2A	3266-AWG24#, 3135-AWG24# or nickel strip, 70mm length (custom options available)

BH series thermostat dimensional diagram

BH Series Thermostat Applications

BH series thermal protectors serve as effective security devices for:

1.5 horsepower motors
Lighting devices and fluorescent lamp ballasts
Inverter welding machines and switch power supplies
Rechargeable battery packs
Portable power tools
Various electric appliances and equipment

Enforced types withstand 3.5MPa pressure for plastic-coated motor installation.

Temperature Code Reference

Code	Temperature	Code	Temperature
30	30℃	100	100℃
35	35℃	105	105℃
40	40℃	110	110℃
45	45℃	115	115℃
50	50℃	120	120℃
55	55℃	125	125℃
60	60℃	130	130℃
70	70℃	135	135℃
75	75℃	140	140℃
80	80℃	145	145℃
85	85℃	150	150℃
90	90℃

H20/H21 Series Thermal Protector Specifications

Specification	Details
Electrical Rating	DC-12V max 12A; DC-24V max 10A; AC-125V max 8A; AC-250V max 16A
Open temperature	(30~150)±5°C; 5°C steps
Reset temperature	2/3 of action temperature (±15°C tolerance)
Life cycles	10,000 operations
Contact resistance	≤50mΩ
Insulation resistance	≥100mΩ
Electric strength	AC1500V/1min (no breakdown or flashover)
Certifications	UL E487478 \| CQC16002142880 \| TUV B160592241002