TB02-BB8D 微型熱保護器(Thermal Protectors)
TB02-BB8D微型熱保護器(溫控器)產(chǎn)品導線為高質硅膠線，適合高溫工作環(huán)境，該產(chǎn)品適用于分馬力電機、塑封電機，由于過載堵轉非正常狀態(tài)下引起的過熱保護，也適用于熒光燈、鎮(zhèn)流器、變壓器、家用電器等一般電氣設備的過熱保護，并可在二次線路中作熱檢測器用。電流、溫度雙重保護使電機保護更全面；微型化15.0mmx5.4mmx2.4mm 的設計易于安裝；單斷點速動結構確保使用的可靠性；嚴格的工藝制作確保雙金屬元件重復性，長期使用均能保持斷開及復位溫度的一致性。
2 Essential Parameters
2.1 Contact Forms Normal Close
2.2 Ultimate Capacity of Contact ：12V-DC/4A, 24V-DC/3A, 115V-AC/3A, 250V-AC/2A
2.3 Rated Opening Temperature
Item No. Opening temp Reset Temp Item No. Opening temp Reset Temp
TB02-BB8D-30℃ 30±3℃ ≥20℃ TB02-BB8D-95℃ 95±5℃ 70±15℃
TB02-BB8D-35℃ 35±3.5℃ ≥25℃ TB02-BB8D-100℃ 100±5℃ 70±15℃
TB02-BB8D-40℃ 40±4℃ ≥30℃ TB02-BB8D-105℃ 105±5℃ 75±15℃
TB02-BB8D-45℃ 45±4.5℃ ≥33℃ TB02-BB8D-110℃ 110±5℃ 75±15℃
TB02-BB8D-50℃ 50±5℃ ≥35℃ TB02-BB8D-115℃ 115±5℃ 80±15℃
TB02-BB8D-55℃ 55±5℃ 42±6℃ TB02-BB8D-120℃ 120±5℃ 85±15℃
TB02-BB8D-60℃ 60±5℃ 45±8℃ TB02-BB8D-125℃ 125±5℃ 85±15℃
TB02-BB8D-65℃ 65±5℃ 48±10℃ TB02-BB8D-130℃ 130±5℃ 90±15℃
TB02-BB8D-70℃ 70±5℃ 50±12℃ TB02-BB8D-135℃ 135±5℃ 95±15℃
TB02-BB8D-75℃ 75±5℃ 53±14℃ TB02-BB8D-140℃ 140±5℃ 100±15℃
TB02-BB8D-80℃ 80±5℃ 55±15℃ TB02-BB8D-145℃ 145±5℃ 100±15℃
TB02-BB8D-85℃ 85±5℃ 60±15℃ TB02-BB8D-150℃ 150±5℃ 105±15℃
TB02-BB8D-90℃ 90±5℃ 65±15℃ TB02-BB8D-155℃ 155±5℃ 110±15℃
30-155℃ (5℃ a step ), with opening temperature tolerance±5℃, ±8℃ and ±10℃ based on rated opening temperature.
2.4 RESET Temperature
The RESET temperature is 70% of the rated opening temperature (integral multiple of “5” preferred), with the tolerance ±10℃, ±15℃ and ±20℃.
Remark: Custom design in Rated Opening Temperature and Rated Reset Temperature is available.
3 Installation Dimensions & External Dimensions (See Picture 1.)
Item COMPONENT MODEL Item COMPONENT model
1 Plastic Case PBT CRN7030 5 Fixing Base PBT CRN7030
2 Movable Contact AgNi/BZn 6 Epoxy Resin 9002A
3 Bi-metal Dics 30R 7 Upper Terminal BZn
4 Technical Specifications
4.1 Requirement of Terminal Tensile Resistance
The connection of thermal protector can bear 20N static pull for 1 minute.
4.2 Dielectric Property ：500V/min。The contact of thermal protector 500V/min under thermal cut-out
4.3 Electrical Durability ：The electrical durability of thermal protector is 10,000 times.
5. Numbering system:
TB02-BB8D XXX℃ TB05——product model
B- contact type :close B－protector type: dual–function over temperature and short circuit protector
8－shell size model D- low resistance XXX℃——opening temperature |
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