MINIATURE CIRCUIT BREAKER

1 MINIATURECIRCUIT MINIATURE circut BREAKER product features Design Features 5 a - Aesthetics 5 b - alfanar patented design 5 Safety Features 6 a - Sealable Handle 6 b - True Contact Indication 6 c - IP20 Protection 6 d - Phase Barrier 6 e - Anti Single Phasing 7 f - Energy Class 3 7 g - Contact Separation 7 Reliability Features 8 a - Rigid Multi-Pole Coupling

2 8 b - Conforms to Major International Standards 8 c - Reliable Termination 8 d - Ready for Connection 8 Performance Features 9 a - Unique Patented Quick Tripping Arrangement 9 b - Line / Load Reversibility 9 c - Ventilation Channel 9 d - Contact Tip 9 Installation Features 10 a - Ergonomics.

3 Better Grip 10 b - Multiple Cable Connection 10 c - Suitable for Multiple Tools 10 d - Multiple Termination 10 e - Terminal Shutter 10 f - Ease of Mounting 10 Environment Features 11 Performance and Technical Specification 12 General Characteristics 13 Dimensions 19 Installation and Ease of Use 20 Ordering Data 214 Design SafetyReliabilityPerformanceInstallation MINIATURE CIRCUIT BREAKER Product FeaturesA registered signature design style

4 For all alfanar modular products that reflect alfanar s originality and commitment to MCB s are patent-protected. The whole MCB is also protected as an industrial tripping device: uncompromising safety (Unique arrangement for quick opening under fault condition)a ) Aesthetics: alfanar identityb ) alfanar Patented designDesign Features6 Safety FeaturesProvision to add the Phase Barrier accessory on top and bottom side for a more secure ) Phase Barriera ) Sealable Handle Safe and effective method for locking out CIRCUIT Breakers in ON and OFF positions. This enables user to securely lock the BREAKER , control the supply, prevent tampering and perform safe maintenance of end ) IP20 Protection A rating of IP20 denotes protection from solid objects approximately 12mm in size, such as adult fingers;b ) True Contact IndicationRed and Green color flags provide a clear visual in-dication of the contact status inside, irrespective of handle ) Anti Single Phasing For Multi-Pole breakers, removal of the handle connector is impossible.

5 Even in the absence of the handle connector, it is not possible to turn the multi-pole MCB ON . This prevents closing even one pole of the Multi-Pole BREAKER in response to the overcurrent fault in any of ) Energy Class 3 Energy Class 3 ensures the lowest possible flow of energy through the CIRCUIT in case of fault preventing damage to surrounding and downstream equipment and ) Contact Separation1. In normal ON/OFF operation current sepa-ration is 8 mm, in case of abnormal /fault conditions the contacts get separated by 10 mm, which prevents the arc from restriking and ensures effective arc quenching. 2. Use as Isolator Benefits Prevents Arc re-striking Foolproof breaking of CIRCUIT Higher voltage withstand capability8 Reliability FeaturesTwo poles are coupled with spacers in between which ensure proper alignment of poles for reliable ) Rigid Multi-Pole Coupling d) Ready for ConnectionA Box Clamp is provided in an open condition so that the BREAKER is ready for Cable/Busbar connection which reduces installation teeth on both ON and OFF Terminals for both Cable and Busbar a) World class terminal reliability b) Excellent electrical joint c) Excellent mechanical joint d) N-m torquee) Firm cable gripf) Excellent cable pull Withstand g) Excellent temperature performancec) Reliable Terminationb)

6 Conforms to Major International StandardTested as per IEC 60898-1, IEC60947-2, SASO CE Conformity and DEKRA CB FeaturesThe uniquely designed air channels located between adjacent poles facilitate better heat Graphite contact tips ensures higher life and maximum safety against contact welding due to superior anti-welding properties enhancing safety and life of mechanism is arranged to transform linear force into rotary force for quick opening of the contacts which reduces the energy inside the BREAKER to a minimal level during the clearance of fault. The effectiveness of this action remains the same up to the last shot of short CIRCUIT ) Unique Patented Quick Tripping Arrangementc) Ventilation Channeld) Contact TipAn incoming supply can be connected to both the upper and lower side and load to the opposite side without compromising the breaking capacity and ) Line/Load ReversibilityLine/LoadLine/Load10 Installation FeaturesSpace for insulated screwdrivers - the larger hole allows the use of an insulated screwdriver to tighten the screws of both wire terminals, ensuring maxi-mum operational of cable in the wrong place below the wrong termination is not Locking Shutters cover the gap behind the box to eliminate the possibility of wrong entry of wire during Din Clip, facilitates easy mounting and removal of MCB from Din Rail channel for convenient terminals allow connection of cables from 18 AWG ( )

7 Up to 4 AWG (25mm2). Conductors of different sizes can be used in the same terminal, with up to five conductors of size 16 AWG ( mm2).Both incoming and outgoing terminals are suitable for Normal Cable Fork Type Busbar Comb Type Busbar Fork Busbar + Cable simultaneous ) Multiple Cable Connectionc) Suitable for Multiple Toolse) Terminal Shutterf) Ease of Mountingd) Multiple Termination a) Ergonomics: Better GripWith its wide surface area and prominent strips around the periphery, the ergonomically designed handle assists with the manual operation of the CIRCUIT BREAKER from single pole to four poles with optimum force, and ensures a secure grip while operating the FeaturesRoHS compliant alfanar uses environmentally friendly state-of-the-art housing material. With the latest generation of halogen free thermoplastics for MCBs it is now possible to recycle the MCBs completely which reduces environmental pollution.

8 Alfanar s entire range of CIRCUIT protection devices conform to RoHS and Technical SpecificationAMCB Technical DataProduct standardIEC 60898-1 Tripping characteristicsB,C CurveElectricalRated current range (A)6, 10, 16, 20, 25, 32, 40, 50, 63 Number of poles1P,2P,3P,4 PRated operational voltage (Ue) V ACSingle poleMulti pole240415 Rated insulation voltage (Ui) V AC500 Rated impulse voltage (Uimp) kV4 Rated ultimate short CIRCUIT 10kA,6kARated service short CIRCUIT breaking capacity Ics (A) at 415V , 6kARated frequency (Hz)50/60 Suitability for isolationYe sThermal tripping characteristics> 1 hour @ In @ 50 C< 1 hour @ In @ 50 CElectrical endurance (Number of operation cycles) 10000 MechanicalProtection degreeIP 20 Maximum terminal capacity (mm )35 Tightening torque (Nm) type DIN rail 35 mm acc. to EN 60715 Method of connectionCables / Busbar / Cables+BusbarFrame width (mm) (max.) mm per poleDimensions 1 Pole (W H D) (mm) (max.)

9 X x 2 Pole (W H D) (mm) (max.) x x 3 Pole (W H D) (mm) (max.) x x 4 Pole (W H D) (mm) (max.)70 x x limiting class3 Reference ambient air temperature50 COperating temperature range- 5 C to + 70 CStorage temperature range- 5 C to + 70 CGeneral CharacteristicsMCB ( MINIATURE CIRCUIT BREAKER ) is an electromechanical device which protects an electrical CIRCUIT from overcurrent and overload conditions. Unlike a fuse, an MCB can be reused after clearing the fault; offering im-proved operational safety and greater convenience without incurring large operating an overload trip occurs, MCBs are easier to reset than to replace blown fuses. The tripping of an MCB, which stops the current from flowing, is much faster than a fuse can operate. Working of MCBThe MCB has two different operations; the thermal effect of overcurrent and secondly the electromagnetic effect of overcurrent. Thermal trip (overload) Magnetic trip (short CIRCUIT )A MINIATURE CIRCUIT BREAKER functions by interrupting the electrical flow through the CIRCUIT once a fault occurs, and an overcurrent is detected.

10 The MCB acts like a switch that automatically disconnects when the current flowing through it exceeds the maximum allowed are two contacts in an MCB. Fixed contact Moving contactWhen the current exceeds its pre-determined value, solenoid forces the moveable contact to open. The MCB switches OFF and discontinues the current flow in the CIRCUIT . To resume the flow of current; the MCB needs to be switched ON. This protects the CIRCUIT from faulty current flowing due to overload and protect against a fault arising from overheating or an increase in temperature a bi-metallic strip is used. Whenever continuous overcurrent flows through the MCB, the bimetallic strip heats up, deflects and releases the trip mechanism. This deflection of the bimetallic strip releases the latch. As this mechanical latch is attached to the operating mechanism, it opens the MINIATURE CIRCUIT BREAKER contacts. During a short CIRCUIT condition, there is sudden rising of current, which causes the electromechanical movement of the plunger connected to the tripping coil or solenoid of the MCB.