High Performance Thermal Circuit Breaker

Transcription

1 High Performance Thermal Circuit Breaker Description Single pole high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Threadneck panel mounted and available in tracked vehicle, aircraft and general purpose versions. Typical applications Extra low voltage wiring systems on all types of vehicles for land, sea and air; defence equipment; battery powered machines. Ordering information Type No. 43 threadneck panel mounting Terminal design K4 screw terminals M6 (to aircraft specs.) K54 reinforced screw terminals M6, housing sealed Version FN2 vehicle application, nickel-plated LN2 aircraft application, black finish N2 general application, nickel-plated Current ratings A (-FN2) A (-LN2/N2) 43 - K4 - LN2-40 A ordering example Preferred types Preferred types Standard current ratings (A) K54-FN2- x x x x x 43-K4-LN2- x x x x x x x x x Standard current ratings and typical voltage drop values Current rating (A) Voltage drop (mv) Current rating (A) Voltage drop (mv) -LN/N -FN -LN/N -FN Technical data Voltage rating DC 28 V AC 5 V (400 Hz) upon request Current rating range A (-FN2) A (-LN2/-N2), Typical life 2,000 operations at x I N Ambient temperature C ( F) Insulation co-ordination rated impulse pollution (IEC and 60664A) withstand voltage degree.5 kv 3 Dielectric strength (IEC and 60664A) test voltage operating area AC,500 V Insulation resistance > 00 MΩ (DC 500 V) Interrupting capacity I cn 6,000 A Interrupting capacity (UL 077) 6,000 A Degree of protection operating area IP40 (IEC 60529/DIN 40050) terminal area IP00 Vibration 0 g ( Hz), ± 0.76 mm (0-55 Hz) to VG 9520, sheet 9, MIL-STD-202, meth. 204, IEC , test Fc Shock 50 g ( ms) to VG 9520, sheet 28, MIL-STD-202, meth. 23, IEC , test Ea Corrosion 96 hours at 5 % salt mist, to VG 9520, sheet 2, MIL-STD-202, meth. 0, IEC , test Ka Humidity 240 hours at 95 % RH to VG 9520, sheet 7, MIL-STD-202, meth. 06, IEC , test Ca Mass approx. 65 g 646

2 High Performance Thermal Circuit Breaker Dimensions Internal connection diagram 43-K4-... OFF ON ø tightening torque max. 4 Nm M2x black white lock washer min.3 min.8 line max. 63 max max. 64 max Typical time/current characteristics screw ISO580-M6x8 (-N/-FN) M6x0 (-LN) lock washer DIN 37-B6 tightening torque max. 2.5 Nm 43-K4-LN2 OFF max. 63 max current rating in A location pin 43-K ON SW screw ISO580-M6x8 (-N/-FN) M6x0 (-LN) lock washer DIN 37-B6 tightening torque max. 2.5 Nm ø max.9 max max. 3.5 max max. 64 max max. 3.5 max.38 min. ø3.2 min.26 ø mounting holes 9.5 ± ±.008 tightening torque max. 4 Nm M2x black white lock washer min.3 min.8 thickness.5-3 mm in FN A Trip time in seconds Trip time in seconds times rated current LN2/-N A C +67 F +23 C F -55 C -67 F +75 C +67 F +23 C F -55 C -67 F 43-K54-FN2/-N2 current rating in A location pin 50 SW max.9 max.748 ø mounting holes thickness.5-3 mm in. 9.5 ±0.2 min. ø3.2 min ± times rated current This is a metric design and millimeter dimensions take precedence ( mm ) inch

3 High Performance Thermal Circuit Breaker Accessories (approved to VG 95345, part 23) Accessories Splash cover /hex nut assembly with O ring (IP66 and IP67) X nickel plated nut M2x, transparent cover X matt black finish nut M2x, black cover X with blackened nut and transparent cover Identification collar to be snapped on the push button Y black Y white Y red Y green Y blue ø4.55 ø M2x ø Splash cover black /hex nut assembly with O ring (IP54) X nickel plated nut M2x X matt black finish nut M2x M2x Actuator extension (black) to be fitted on the push button X ø20 ø.787 Lock out ring to block the push button in OFF position Y red Y black ø ø Approvals Authority Standard Rated voltage Current ratings UL UL077 DC 28 V 30 A 90 A CSA QPL Sweden Defence Material Admin. C22.2 No 235 DC 28 V 30 A 90 A TL DC 28 V 30 A 50 A This is a metric design and millimeter dimensions take precedence ( mm ) inch All dimensions without tolerances are for reference only. In the interest of improved design, performance and cost effectiveness the right to make changes in these specifications without notice is reserved.product markings may not be exactly as the ordering codes. Errors and omissions excepted

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