Product Name: Sm2 Series Moulded Case Circuit Breaker Model NO.: SM2 Function: Conventional Circuit Breaker Type: Circuit Breaker Poles Number: 4 Structure: Moulded Case Circuit Breaker Installation: Fixed Arc-extinguishing Medium: Air Speed: High-Speed Circuit Breaker Operation: Electric Type Breaking Capacity: High Voltage Circuit Breakers Trademark: ELECAL Transport Package: Carton Origin: Wenzhou Product Description 1.ApplicationSM2 series moulded case circuit breaker is one of breaker which adopts international ad-vanced design, manufacture technology to develop. The rated insulating voltage is 750V, suit-able for AC 50Hz(60Hz),rated working voltage 690V or below, rated working current is 12.5A to1250A of circuit and used in distributing electric energy, and non-frequent breaking in the nor-mal conditions , protecting the current& equipment from overload&under voltage, circuit breakerwith rated frame current 400A or below,can be used in mousecage motor's non-frequent start,breaking during working, protecting motor from overload, short circuit&undervoltage,the prod-uct conforms to IEC60947-2 standard.2.Main Technical SpecificationsTypePole numberRated insulating voltage(V)Rated operating voltage(V)Rated ultimate short circuit breaking capacity Icu (KA) at 380/415VRated servies short circuit breaking capacity Ics at 380/415V(KA)Operation performanceUtilization categoryONOFFSM2-100N3, 4pole750690 and below252515008500ASM2-100H7070SM2-100L150150SM2-160N363610007000SM2-160H7070SM2-160L150150SM2-250N363610007000SM2-250H7070SM2-250L150150SM2-400N454510004000SM2-400H7070SM2-400L150150SM2-630N454510004000SM2-630H7070SM2-630L150150SM2-1250N3 pole5037.510004000SM2-1600N5037.5Note:1. The N-pole breaker has no protection which closing and opening with the other three poles. 2. The type of thermal magnetic for SM2-400/630 has no four poles.3 Trip units main technical parameterThermal magnetic releaseTypeRated currentIn(A)NoteSM2-10012.5,16,20,25,32,40,50,63,80,100Tadjustable (0.8~1In)M adjustable (5~10In)SM2-16016,20,25,32,40,50,63,80,100,125,160SM2-250160,180,200,225,250SM2-400315,350,400SM2-630400,500,630SM2-1250800,1000,1250Tadjustable (0.8~1In)M fixedSM2-16001000,1250,1600Electronic releaseSM2 22SE: protection of low-voltage distribution networks for SM2-1001602501. Overload protection with adjustable threshold2. Short-circuit protection with adjustable threshold3. Load indication : light at 90% of Ir setting threshold;Flashing at 105% or more of Ir setting thresholdTypeRated current In(A)NoteSM2-10040,100Ir=0.4~1×In(adjustable 48 setting)Tripping between 1.05~.3×Ir (IEC60947-2)(Long-time overload protection)Im=2-3-4-5-6-7-8-10×Ir(Short-circuit protection)SM2-16040,100,160SM2-25040,100,160,250SM2 22ME: protection of motor for SM2-1001602501. Overload protection with adjustable threshold, as defined by IEC60947-4 (2) tripping class 102. Short-circuit protection with fixed threshold (13xIr)3. phase failure protection (tripping time delay between 3.5s-6s)4. Load indication : dark less than 105% of Ir setting threshold;Flashing at 105% or more of Ir setting thresholdTypeRated current In(A)NoteSM2-10040,50,80,100Ir=0.6-0.63-0.67-0.71-0.75-0.80-0.85-0.90-0.95-1×InSM2-16040,50,80,100,150SM2-25040,50,80,100,150,220SM2 23SE: protection of low-voltage distribution networks for SM2-4006301. Overload protection with adjustable threshold2. Short-circuit protection with adjustable threshold3. Load indication : light at 90% of Ir setting threshold;Flashing at 105% or more of Ir setting thresholdTypeRated current In(A)NoteSM2-400400Ir=0.4~1×In(adjustable 48 setting)Tripping between 1.05~1.3×Ir (IEC60947-2)(Long-time overload protection)Im=2-3-4-5-6-7-8-10×Ir(Short-circuit protection)SM2-630630SM2 53UE: protection of low-voltage distribution networks for SM2-4006301. Overload protection with adjustable threshold, as defined by IEC60947-22. Short-circuit protection with adjustable threshold3. Instantaneous short-circuit protection4. Earth fault protection with adjustable threshold5. Load indication : light at 90% of Ir setting threshold;Flashing more than Ir setting threshold6. Fault indicationLEDs indicates the type of fault that caused trippingOverload (LT protection) or abnormal component temperature (>Ir);Short-circuit (ST or instantaneous protection)( >Im);Earth fault (if earth fault protection option is present)(Ig);Microprocessor malfunction (both (>Ir) and ( >Im) LEDs go on ,plus the (Ig) LEDs if earth fault protection option is present )Battery powered. Spare battery are supplied in an adapter box. When a fault occurs , the LED indicating the type of fault ,lights for about 10 minutes . The information is however stored in memory . The LED can be illuminated by pressing the test pushbutton. The LED automatically goes off and the memory is cleared when the circuit breaker is reset .TypeRated current In(A)NoteSM2-400400Ir=0.4~1×In(adjustable 48 setting)Tripping between 1.05~1.3×Ir (IEC60947-2)at 6×Ir Trip time: 1s, 2s, 4s, 8s, 16s(adjustable)(Long-time overload protection)Isd=1.5-2-3-4-5-6-7-8-10×IrTrip time: 0s, 0.1s, 0.2s, 0.3s adjustable+I2t(Short-circuit short time delay protection)Ii=1.5-2-3-4-6-7-8-10-11×Ir(Instantaneous short-circuit protection)Ig=0.1-0.2-0.3-0.4-0.5-0.6-0.7-0.8-1×IrTrip time: 0.1s, 0.2s, 0.3s, 0.4s adjustable+I2t(Earth fault protection) (If option is present)SM2-630630SM2 43ME: protection of motor for SM2-4006301. Overload protection with adjustable threshold, as defined by IEC60947-4 (2) tripping class 10A,10 and 202. Short-circuit protection with adjustable threshold (6...13xIr)3. Phase failure protection (built-in electronic release: operates unbalanced single-phase currentat 40% and more than )(tripping time delay 4s10%),as defined by IEC60947-4.14. Load indication : Flashing more than Ir setting threshold5. Fault indicationLEDs indicates the type of fault that caused trippingOverload (LT protection) or abnormal component temperature (>Ir);Short-circuit (ST or instantaneous protection)( >Im);Phase failure (right LED);Microprocessor malfunction ( (>Ir) ( >Im) and phase failure LEDs all go on )Battery powered. Spare battery are supplied in an adapter box. When a fault occurs ,the LEDindicating the type of fault ,lights for about 10 minutes . The information is however stored inmemory . The LED can be illuminated by pressing the test pushbutton. The LED automaticallygoes off and the memory is cleared when the circuit breaker is reset .TypeRated current In(A)NoteSM2-400400Ir=0.4~1×In(adjustable 48 setting)Trip degree: class 10A, 10,20(IEC60947-4)(Long-time overload protection)Im=6-7-8-9-10-11-12-13×Ir(Short-circuit protection)SM2-6306304.AccessoriesAccessoriesRated operating voltageConsumptionFor typePick-upSeal-inShunt release(MX)24V100V220/230V380/400V<10VA<5VASM2-100~630Under-voltagerelease(UN)220/230V380/400V<10VA<5VAAccessoriesRated operating voltageConsumptionFor typeAC12AC15Auxiliary contact(OF)380/400V63SM2-100~630Alarm contact(AL)380/400V63Rotary handleDirect rotary handleDegree of protection:IP40Function:1) suitability for isolation2) indication of three positions 0(off) I(on) and tripped3) press "push to trip" button, can trip-free4) visibility of and access to trip unit settings5) the circuit breaker can be locked in the off position by one to three padlocks , diameter 5 to 8mm(not supplied)Extended rotary handleDegree of protection:IP55Function:1) Suitability for isolation2) Indication of three positions 0(off) I(on) and tripped3) Visibility of and access to trip unit settings when the door is open4) Door opening prevented when circuit breaker is on5) The circuit breaker can be locked in the off position by one to three padlocks , diameter 5 to 8mm(not supplied).Locking prevents opening of the switchboard door5.InstallationCircuit breaker may be mounted vertically, horizontally or flat on their back without any derating of characteristics.6.FixMounting on backplate , mounting on rails7.ConnectionFront panel connection , black panel connection , plug-in connection8. Outline and Installation DimensionSM2-100~630mmCC1C2C3GG1G4G5HH1H2SM2 100/160/250N/H/L29765410862.51257014080.516194SM2 400/630N/H/L41.511692.5184100200113.5227127.5255142.5mmH3H4H5H6H7KK1K2LL1L2P1P2P4P5SM2 100/160/250N/H/L188160.5321178.535717.5357052.51051408186111*83SM2 400/630N/H/L28524048023747422.545907014018595.5110168107mmP6RR1R2R4R5φTφT4(Ue)SM2 100/160/250N/H/L8814.52954108143622≤32SM2 400/630N/H/L11231.56371.5143188632≤32*P4=126 is suitable for=SM2 250N/H/L