1 thermal (t- and ta-line) T12-MSM www.schurter.com/pg17_18_19 circuit breakers circuit breaker for equipment thermal with metal actuator description - thermal circuit breaker - metal switch non-illuminated and illuminated - 1-pole - quick connect terminals 6.3 x 0.8 mm or screw terminals approvals - approval reference type: t12 - iec standard: iec 60934 - ul standard: ul 1077 - gb standard: gb 17701 applications - power supplies - uninterruptible power supply - power tools - household appliances references component 1: circuit breakers t12-221; t12-222 component 2: metal switch msm la 19 ; msm la 22 component 3: coupler weblinks pdf-datasheet, html-datasheet, general product information, approvals, ce declaration of conformity , rohs, china-rohs, reach, e-shop, schurter-stock-check , 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 conditional short circuit ca - pacity iec: inc, pc1, ac 240v: 1 ka 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 ? reset type ac : 2 x ir , cos 0.6 : dc : 2 x ir , l/r = 2 - 3 ms : 50 switching cycles ? manual on/off type ac : 2 x ir , cos 0.6 : dc : 2 x ir , l/r = 2 - 3 ms : 5000 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 0.75 mm @ 5 - 60 hz acc. to iec 60068-2-6, test fc 7 g @ 60 - 500 hz acc. to iec 60068-2-6, test fc shock resistance 60 g / 18 ms acc. to iec 60068-2-27, test ea tripping type thermal actuation type manual on/off shock protection ik 07 tightening torque stainless steel nut 12 nm for thread m19, 16 nm for m22 salt spray test (acc. to din 50021-ss) 24 h / 48 h / 96 h residence time supply voltage 24 vdc ring illuminationwithout series resistor point illumination weight ca. 45 g
2 thermal (t- and ta-line) T12-MSM www.schurter.com/pg17_18_19 circuit breakers dimension t12 msm 19 6.3 11.5 ? 22 ? 15.5 m19 x 0.75 17.8 max. 10 1.7 1.8 76.65 15.5 ? 24 31 3 2 1 0.8 1) 1) only among msm pi / ri quick connect terminal 2.8x0.5 mm t12 msm 22 6.3 11.5 ? 25 ? 17.7 m22 x 1 17.8 max. 9 1.7 1.8 76.65 15.5 31 3 2 1 0.8 1) 1) only among msm pi / ri quick connect terminal 2.8x0.5 mm
3 thermal (t- and ta-line) T12-MSM www.schurter.com/pg17_18_19 circuit breakers t12 msm 22 screw version 11.5 ? 25 ? 17.7 m22 x 1 17.8 max. 9 1.7 1.8 82.55 15.5 31 3 2 1 m4 1) 1) only among msm pi / ri quick connect terminal 2.8x0.5 mm msm 19 la st / msm 19 la ri drilling diagram msm 19 la le / msm 19 la pi / msm 19 la ri optional drilling diagram msm 22 la st / msm 22 la ri drilling diagram msm 22 la le / msm 22 la pi / msm 22 la ri optional drilling diagram point illumination operating data forward current max. forward current at 10 ma forward current at 8 ma forward current max. led red 30 ma 1,9 vdc 3,0 vdc led green 30 ma 2,1 vdc 3,0 vdc led blue 20 ma 3,7 vdc 4,5 vdc attention: switches are delivered without series resistor.
4 thermal (t- and ta-line) T12-MSM www.schurter.com/pg17_18_19 circuit breakers recommendation of series resistors for point illumination 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-MSM www.schurter.com/pg17_18_19 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 lettering the last three digits in the order number define the lettering: 000 no lettering 001-074 standard lettering 101- customized lettering lettering options see on datasheet msm la 22 all variants circuit breakers momentary action switch order number type rated cur - connection type type illumination t12-221-10 10a quick connect terminals 6.3 x 0.8 mm msm la 19 non-illuminated 4410.9001 t12-221-16 16a quick connect terminals 6.3 x 0.8 mm msm la 19 non-illuminated 4410.9002 t12-221-10 10a quick connect terminals 6.3 x 0.8 mm msm la 22 non-illuminated 4410.9003 t12-221-16 16a quick connect terminals 6.3 x 0.8 mm msm la 22 non-illuminated 4410.9004 t12-221-10 10a quick connect terminals 6.3 x 0.8 mm msm la 19 point illumination, blue 4410.9005 t12-221-16 16a quick connect terminals 6.3 x 0.8 mm msm la 19 point illumination, blue 4410.9006 t12-221-10 10a quick connect terminals 6.3 x 0.8 mm msm la 22 point illumination, blue 4410.9007 t12-221-16 16a quick connect terminals 6.3 x 0.8 mm msm la 22 point illumination, blue 4410.9008 t12-221-10 10a quick connect terminals 6.3 x 0.8 mm msm la 19 ring illumination, blue, 24 vdc 4410.9009 t12-221-16 16a quick connect terminals 6.3 x 0.8 mm msm la 19 ring illumination, blue, 24 vdc 4410.9010 t12-221-10 10a quick connect terminals 6.3 x 0.8 mm msm la 22 ring illumination, blue, 24 vdc 4410.9011 t12-221-16 16a quick connect terminals 6.3 x 0.8 mm msm la 22 ring illumination, blue, 24 vdc 4410.9012 t12-222-10 10a bolts and nuts msm la 22 non-illuminated 4410.9017 t12-222-16 16a bolts and nuts msm la 22 non-illuminated 4410.9018 t12-221-15 15a quick connect terminals 6.3 x 0.8 mm msm la 22 non-illuminated 4410.9019 t12-221-15 15a quick connect terminals 6.3 x 0.8 mm msm la 22 ring illumination, blue, 24 vdc 4410.9021
6 thermal (t- and ta-line) T12-MSM www.schurter.com/pg17_18_19 circuit breakers circuit breakers momentary action switch order number type rated cur - connection type type illumination coupler is included availability for all products can be searched real-time: http://www.schurter.com/en/stock-check/stock-check-schurter packaging unit 10 pcs - actuating elements in esd safe packaging - screw nuts and sealing rings in a bag (enclosd in the box) - circuit breaker in a bag (enclosed in the box) 13.11.2014 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.
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