B12A16005U112L370100

Thermal motor protector Temperature limiter Thermal cut-out B 12 13 Applications - Motors - Transformers - Coils - Electronics, sensors - Process Automation Benefits - Non-sensitive to current - High current rating up to 30A - Manifold executions - Special low voltage execution Technical data control type ratings version rated current at 250 V 50/60 Hz (cos φ 0.95 / 0.6 ) switching cycles under rated current B12A / E B12B / G B13N / T normally closed normally open normally closed/ open 6.3 A / 6.0 A 10.0 A / 6.0 A 5.0 A / 1.6 A 1...100 mA (24 Vdc) 10,000 5,000 5,000 10,000 max. current under failure conditions at 250 V 50/60 Hz ( cos φ 0.95 ) switching cycles under max. current temperature rating Ta ( steps in 5 K ) 70 °C ... 190 °C 30.0 A - 100 - 70 °C ... 160 °C tolerances 70 °C ... 160 / 155 °C standard: ± 5 K feature of automatic action 1.B.M, 2.B, 1.C contact resistance ( incl. wire of 100 mm ) 1.B - < 50 mΩ 30 K ± 15 K 1) hysteresis dielectric strength ( standard insulation ) 2 kV shock / vibration testing ( similar to EN 50155 ) - 400 m/s2 sine half wave / 100 m/s2 5 Hz ... 2.000 Hz sine resistances to impregnation tight against ordinary resins and lacquers degrees of protection provided by enclosures ( EN 60529 ) IP00 suitable for use in protection category I, II VDE / ENEC EN 60730-1 / -2-9 UL UL 2111 / UL 873 2) approvals - C22.2 No. 77 / C22.2 No. 24 2) CSA / cUL no approval required to voltage ratings lower than 42 V GB14536.1-1998 / GB14536.10-1996 2) CQC 1) 70 °C ... 155 °C at the Ta (upper and lower) limits the hysteresis could deviate 2) on request Standard wire (length 100 ± 10 mm, stripped 6 ± 1 mm) lead approx. diameter insulation approx. cross section diameter 2) 1.50 mm AWG24 / 0.25 mm2 1.82 mm AWG20 / 0.50 mm2 L320 2.10 mm AWG18 / 1.00 mm2 L360 1) 1.20 mm AWG24 / 0.25 mm2 1.60 mm AWG20 / 0.50 mm2 1.80 mm AWG18 / 1.00 mm2 code temperature max. operating voltage max. L300 1) L310 stranded white L370 150 °C 200 °C 300 V 600 V L380 solid yellow 1) B13 only 2) UL style 3398 10086 L410 150 °C 300 V 1.66 mm AWG20 / 0.80 mm 3398 L440 200 °C 300 V 1.54 mm AWG20 / 0.80 mm 1332 AWG20 is recommended Standard insulation control type nc no B12 A B B13 N T B12 A B B13 N T technical specification approvals 1) U253 shrink cap potted VDE, UL, cUL U186 cap of PPS potted VDE, UL, cUL code illustration drawing dimensions ( mm ) Specific variations 1) control type nc no B12 A B B13 N T B12 A B B13 N T B12 A B B13 N T B12 A B B13 N T B12 E G B13 N T B12 E G B13 N T B12 only code U112 U294 illustration drawing dimensions ( mm ) technical specification approvals 1) not insulated potted VDE, UL, cUL, CSA coated Ta max. 160°C VDE, UL, cUL housing of PPS potted Ta max. 160°C A800 G402 not insulated potted aluminium housing thread M4x6 potted VDE, UL, cUL VDE, UL, cUL VDE, UL, cUL Ta max. 150 °C G714 brass housing thread M4x5 potted Ta max. 150 °C VDE, UL, cUL self-heating [K] Heating by current B12 current [A] The diagram is measured with a thermal control without any insulation in an oil bath. Attention: The heating depends on the thermal conduction of the control to the equipment or part which should be protected. Ordering and marking example Ordering example B12 A 120 05 L310 100 U253 Marking B12A type (B12 nc) 051D date of manufacture (May 2011), country (D=Germany) 12005 response temperature (120°C), tolerance (± 5K) shrink cap insulation length 100 mm lead wire white, AWG20 tolerance temperature normally closed type Representation office: Microtherm GmbH Täschenwaldstraße 3 Postfach 1208 D-75112 Pforzheim Fon: +49 (0)7231 787-0 Fax : +49 (0)7231 787-155 E-Mail: info@microtherm.de Internet: www.microtherm.de 05.2011 Technical subject to change without notice Deviations from standard controls on request.