circuit breakers
Thermal Circuit Breaker, rotary knob actuation, 1-, - or 3-pole
2-pole standard version
3-pole type without front bezel/knob
standard front bezel/knob
Description
– Thermal circuit breaker 1-, 2- or 3-pole – Supplementary protector for general industrial use – Positively trip-free release – Bezel/knob snap-on – Easy actuation with gloves – Front elements can be done by customer
Applications
– High pressure cleaners – Floor cleaning equipment – Power tools – Wood and stone working machines – Equipment for building construction – Industrial equipment – Commercial kitchen appliances
Standards
– IEC 60934 – UL 1077 – CSA C22.2 235 – GB 17701
Weblinks
Approvals: http://www.schurter.com/approvals RoHS: http://www.schurter.com/rohs
Technical Data
Rated voltage Ue 1-pole 2-pole 3-pole Rated current In 1- / 2-pole 3-pole 1- / 2-pole, AC 240 V 3-pole, AC 415 V Accessible range Terminal side 50 Hz Impulse 1.2/50 µs DC 500 V AC 240 V / 50/60 Hz DC 32 V AC 240 V / 50/60 Hz DC 60 V AC 415 Y/240 V / 50/60 Hz 0.05 – 20 A 0.05 – 12 A 0.05…20 A: 2000 A, SC (C1) 0.05…12 A: 2000 A Shock resistance Degree of protection IP 40 IP 00 > 2500 V > 4000 V > 100 MOhm Max. switching capacity 1-, 2-pole for switch only types 3-pole (without bimetal) 20 A 12 A Type of tripping Weight 1-pole 2-pole 3-pole Overload IEC 60934 UL 1077 min. 40 cycles @ 6 x In, cos phi 0.6 min. 50 cycles @ 1.5 x In, cos phi 0.75 (OLØ) –30 °C to +60 °C
Admissible ambient air temperature Resistance to vibration IEC 60068-2-6, Test Tc
Conditional short circuit Inc
10…60 Hz: ±0.75 mm 60…500 Hz: 10 G
IEC 60068-2-27, Test Ea 30 G / 18 ms Thermal positively trip free 45 g 60 g 75 g
Dielectric strength
Insulation resistance Endurance (typical)
Mechanical 50’000 cycles AC: 1 x In, cos phi 0.6 50’000 cycles DC: 1 x In, L/R = 2…3ms 50’000 cycles
circuit breakers
TA35
www.schurter.com/pg17_18_19 Tripping Characteristics
[ min ] [ sec ] 10'000
Type Rated current TA35
