1 thermal (t- and ta-line) t12-211 www.schurter.com /pg17_20 circuit breakers circuit breaker for equipment thermal, threaded neck type, reset type, quick connect terminals description - threaded neck type - thermal circuit breaker - 1-pole - reset type - quick connect terminals 6.3 x 0.8 mm unique selling proposition - compact design - positively trip-free release - available with cover - different mounting possibilities standards - iec 60934 - ul 1077 - csa c22.2 no. 235 - gb 17701 applications - power supplies - uninterruptible power supply - power tools - household appliances weblinks pdf-datasheet, html-datasheet, general product information, approvals, ce declaration of conformity , rohs, china-rohs, reach, distributor- stock-check, detailed request for product, product news technical data rated voltage ac 240 v; 50/60 hz rated voltage dc 28 v rated current range ac 0.05 - 15/16 a , see approbations conditional short circuit ca - pacity iec: inc, pc1, ac 240 v: 1 ka short circuit capacity icn at in < 7 a/240 vac : 8 x in ? at in 7 a/240 vac : 200 a ? ac/dc 28 v : 400 a degree of protection from front side ip 40 acc. to iec 60529 dielectric strength 50 hz: > 1.5 kv impulse 1.2/50 s: > 2.5 kv insulation resistance 500 vdc > 100 m endurance typical 2 x ir: 5000 switching cycles endurance minimum reset type ac : 2 x ir , cos 0.6 : dc : 2 x ir , l/r = 2 - 3 ms : 50 switching cycles overload iec: min. 40 trips @ 6 x ir, cos 0.6 ? ul / csa: min. 50 trips @ 1.5 x ir, cos 0.75 ambient temperature -5 c to 60 c vibration resistance 1.5 mm @ 10 - 60 hz acc. to iec 60068-2-6, test fc 10 g @ 60 - 500 hz acc. to iec 60068-2-6, test fc shock resistance 100 g / 6 ms acc. to iec 60068-2-27, test ea tripping type thermal actuation type reset type weight ca. 10 g
2 thermal (t- and ta-line) t12-211 www.schurter.com /pg17_20 circuit breakers dimension t12-211 1 2 3/8-27uns-2a 10 24. 6 14.7 18 ? 5. 7 11. 5 48.5 +0. 5 ? 0.2 2 31 ?0 .2 8.8 sw 14 14.5 t12-211sn 8.8 48.5 1 2 3/8-27uns-2a 10 14.7 18 ? 5.7 +0.5 ? 0.2 2 57. 5 57.5 2.5 20.2 24. 6 31 ?0 .2 3 14. 5 sw 14 a 6. 3 5 4 6
3 thermal (t- and ta-line) t12-211 www.schurter.com /pg17_20 circuit breakers ? 9.6 8.9 16 16 diagrams tap 4,8 x 0,8 mm 2 1 tap 4,8 x 0,8 mm 23 1 tap 4,8 x 0,8 mm 54 6 2 1 tap 4,8 x 0,8 mm 5 23 1 4 6 approval main circuit auxiliary circuit rated current rated voltage ac rated voltage dc rated current rated voltage ac rated voltage dc ul 1077 csa c22.2 no. 235 0.05...15 a 240 v 28 v 2 a 3 a 120 v - - 28 v csa c22.2 no. 235 0.3...16 a 240 v 28 v 1 a 240 v - iec 60934 0.05...16 a 240 v 28 v 1 a 240 v 28 v gb 17701 0.05...16 a 240 v 28 v 1 a 240 v 28 v
4 thermal (t- and ta-line) t12-211 www.schurter.com /pg17_20 circuit breakers typical internal resistance rated current [a] internal resistance [ ? ] 0.05 225.000 0.50 3.300 1.00 0.880 2.00 0.267 3.00 0.128 4.00 0.073 5.00 0.040 6.00 0.031 7.00 0.018 8.00 0.018 9.00 0.010 10.00 0.0087 11.00 0.0087 12.00 0.0087 13.00 0.0087 14.00 0.0070 15.00 0.0070 16.00 0.0055 effect of ambient temperature the units are calibrated for an ambient temperature of +23c. to determine the rated cur - rent for a lower or higher ambient temperature, use a correction factor (typical value) from the table below: ambient temperature [c] correction factor -5 0.87 0 0.90 10 0.95 23 1.00 30 1.05 40 1.12 50 1.20 60 1.30 example: rated current = 5 a; environmental temperature = 50 c; --> correction factor = 1.2; resulting current = 6.0 a
5 thermal (t- and ta-line) t12-211 www.schurter.com /pg17_20 circuit breakers time-current-curves time in seconds 10'000 60 2000 100 0 500 200 100 50 20 10 5 2 1 0, 5 0, 3 0, 2 0, 1 [ sec ] [ min ] 10 5 1 30 20 1,05 10 8 5 4 3 2 1,32 < 7,0 a > 7,0 a multiple of rated current in reference temperature +23 config. code t12 | - | 1 | 2 | 3 | a | b | c | - | 1.23 | the characters are placeholders for the correspondingly keys of selections from the key tables. t12 | - | 1 | 2 | 3 | a | b | c | - | 1.23 | = mounting mounting configuration key threaded neck type with hexagonal- and knurled nut 2 t12 | - | 1 | 2 | 3 | a | b | c | - | 1.23 | = actuation type actuation type configuration key reset type 1 t12 | - | 1 | 2 | 3 | a | b | c | - | 1.23 | = terminal terminal configuration key quick connect terminal 6.3x0.8mm 1 t12 | - | 1 | 2 | 3 | a | b | c | - | 1.23 | = auxiliary contact auxiliary contact configuration key auxiliary contact s t12 | - | 1 | 2 | 3 | a | b | c | - | 1.23 | = shunt terminal shunt terminal configuration key shunt terminal n t12 | - | 1 | 2 | 3 | a | b | c | - | 1.23 | = setting indication setting indication configuration key setting indication r t12 | - | 1 | 2 | 3 | a | b | c | - | 1.23 | = rated current rated current configuration key 0.05 a 0.05 0.1 a 0.1 0.15 a 0.15 0.2 a 0.2 0.3 a 0.3 0.4 a 0.4 0.5 a 0.5 0.6 a 0.6 0.7 a 0.7 0.8 a 0.8 0.9 a 0.9 1.0 1 1.1 a 1.1 1.2 a 1.2 1.3 a 1.3 1.4 a 1.4 other rated currents on request
6 thermal (t- and ta-line) t12-211 www.schurter.com /pg17_20 circuit breakers rated current configuration key 1.5 a 1.5 1.6 a 1.6 1.7 a 1.7 1.8 a 1.8 1.9 a 1.9 2.0 a 2 2.1 a 2.1 2.3 a 2.3 2.5 a 2.5 2.8 a 2.8 3.0 a 3 3.3 a 3.3 3.5 a 3.5 4.0 a 4 4.5 a 4.5 5.0 a 5 other rated currents on request rated current configuration key 5.5 a 5.5 6.0 6 6.5 a 6.5 7.0 a 7 7.5 a 7.5 8.0 a 8 8.5 a 8.5 9.0 a 9 9.5 a 9.5 10.0 a 10 11.0 a 11 12.0 a 12 13.0 a 13 14.0 a 14 15.0 a 15 16.0 a 16 other rated currents on request variants rated current construction variants config. code order number auxiliary contact shunt terminal setting indication 12.0 a t12-211-12 4410.0019 0.8 a l t12-211s-0.8 4410.0044 2.5 a l t12-211s-2.5 4410.0046 10.0 a t12-211-10 4410.0106 6.5 a l t12-211s-6.5 4410.0264 1.0 l l l t12-211snr-1 4410.0655 most popular. availability for all products can be searched real-time: http://www.schurter.com/stock-check/stock- check-schurter packaging unit 20 pcs accessories description t-linie zubeh?r accessories to t-line the specifications, descriptions and illustrations indicated in this document are based on current information. all content is subject to modifications and amendments. information furnished is believed to be accurate and reliable. however, users should independently evaluate the suitability and test each product selected for their own applications. 13.10.2016
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