Thermal Overcurrent Circuit Breaker 127-... Description Single pole thermal circuit breaker with push-to-reset, tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934; M-type when fitted with optional manual release feature). Available in versions for plug-in or integral mounting, track mounting, or with a frame for snap-in panel mounting. The optional -KF housing is particularly suited to high humidity and other damp conditions. Approved to CBE standard EN 60934 (IEC 60934). Typical applications Motors, transformers, solenoids, battery chargers, extra low voltage systems. Ordering information Technical data Type No. 127 Mounting options leave blank for integral/plug-in option T12 track mounting with screw terminals M4 Terminal design (for use with and without flange -F) P10 blade terminals A6.3-0.8 (QC .250) Manual release H manual release facility Special housing KF for tropical and high humidity conditions Current ratings 0.05...25 A 127 - F - P10 - H - .. - 10 A ordering example The exact part number required can be built up from the table of choices shown above. Ordering references for optional features should be omitted if not required. Standard current ratings and typical internal resistance values Current rating (A) For further details please see chapter: Technical Information Voltage rating AC 250 V; DC 28 V (UL: AC 250 V; DC 50 V) Current ratings 0.05...25 A Typical life 0.05...16 A 5,000 operations at 2 x IN, inductive 17...25 A 5,000 operations at 2 x IN, resistive Ambient temperature -20...+60 °C (-4...+140 °F) Insulation co-ordination rated impulse pollution (IEC 60664 and 60664 A) withstand voltage degree 2.5 kV 2 reinforced insulation in operating area Dielectric strength (IEC 60664 and 60664A) test voltage operating area AC 3,000 V Insulation resistance > 100 MΩ (DC 500 V) Interrupting capacity Icn 0.05...2.5 A 8 x IN 3...5 A 20 x IN 6...12 A 200 A 13...25 A 300 A Interrupting capacity IN UN (UL 1077) 0.05...20 A AC 250 V 2,000 A 0.05...25 A DC 50 V 2,500 A Degree of protection operating area IP40 (IEC 60529/DIN 40050) terminal area IP00 Vibration 8 g (57-500 Hz) ± 0.61 mm (10-57 Hz) to IEC 60068-2-6, test Fc, 10 frequency cycles/axis Shock 5 g (11 ms), to IEC 60068-2-27, test Ea 2 Corrosion 96 hours at 5 % salt mist, to IEC 60068-2-11, test Ka Humidity 240 hours at 95 % RH to IEC 60068-2-78, test Cab Mass 127-P10-..: approx. 20 g 127-T..-: approx. 35 g Rated voltage Current ratings

Thermal Overcurrent Circuit Breaker 127-... Dimensions Internal connection diagram Typical time/current characteristics at +23 °C/+73.4 °F 9.4 .370 11.5 .453 blade terminal DIN 46244-A6.3-0.8 (QC .250) Trip time in seconds The time/current characteristic curve depends on the ambient temperature prevailing. In order to eliminate nuisance tripping, please multiply the circuit breaker current ratings by the derating factor shown below. See also section Technical information. Derating factor operating area Installation drawings mounting area This is a metric design and millimeter dimensions take...

Thermal Overcurrent Circuit Breaker 127-... Accessories Mounting sockets 10F-P10 (up to 16 A max. load) 7 .276 wire corss sectional areas 2 x max. 2.5 mm2 (AWG14) stranded 2 x max. 4 mm2 (AWG12) solid Accessories for sockets (up to 20 A max. load) 2-way bus bar Y 301 166 02 4-way bus bar Y 301 166 01 Connector bus links -K10 X 210 589 01/2.5 mm2 (AWG 14), black (up to 20 A max. load) X 210 589 02/1.5 mm2 (AWG 16), brown (up to 13 A max. load) 50 pin lugs to DIN 46230 tinned copper Connector bus links -P10 X 210 588 01/1.5 mm2 (AWG 16), brown (up to 13 A max. load) X 210 588 02/2.5 mm2 (AWG 14),...