Manual Motor Starter MU ❚ Overload protection ❚ Short circuit protection ❚ Phase differential detection ❚ DIN rail mounting ❚ Test facility ❚ Ambient temperature compensation ❚ Fingertouch protection ❚ Lockable off position ❚ Designed to EN60947-4-1 and EN60947-2 ❚ Bus-bar system ❚ Enclosures Options and ordering codes Current Range Amps 0.10 - 0.16 0.16 - 0.25 0.25 - 0.40 0.40 - 0.63 0.63 - 1.00 1.00 - 1.60 1.60 - 2.50 2.50 - 4.00 4.00 - 6.30 6.30 - 10 10 - 16 16 - 20 20 - 25 Magnetic Short Circuit Trip-Amps 1.92 3.0 4.8 7.6 12.0 19.2 30 48 75.6 120 192 240 300 Specification Product MU25A 0.16 MU25A 0.25 MU25A 0.40 MU25A 0.63 MU25A 1.00 MU25A 1.60 MU25A 2.50 MU25A 4.00 MU25A 6.30 MU25A 10 MU25A 16 MU25A 20 MU25A 25 Rated insulation voltage UI Rated current Ith open, at 50˚C Mechanical life Electrical life – AC3 duty Switching frequency Operate time – approximately Total power loss (warm condition) Temperature compensation open Rating auxiliary switch – AC15 Mounting position Power consumption – undervoltage trip – shunt trip Terminal wiring cross section 1 or 2 wires aux Weight main 690V AC 25 amps 100,000 ops 100,000 ops 30 ops per hour 7 mS 6-8 W –20 to +55˚C 400V 2A Any 2.7VA 1.8W 2.7VA 1.8W 0.75 – 4mm2 0.75 – 2.5mm2 0.25 Kg Accessories Auxiliary Contacts MU/03/03 Shunt Trip For fitting to the side of the unit max 1 block each side. Trips out the unit as voltage is applied. Mounting inside the unit. Contacts 1 Make + 1 Break (internal mount) 1 Break 1 Make + 1 Break 2 Makes 2 Early Makes Voltage 24 AC 110 AC 220-240 AC 380-415 AC Product MU25A PE11 MU25A PS01 MU25A PS11 MU25A PS20 MU25A PV20 Product MU25A A24 MU25A A110 MU25A A240 MU25A A400 www.imopc.com Manual Motor Starter MU continued Accessories continued Undervoltage Trip Current Limiter Trips out the unit should the voltage fall below 70% of the rated voltage, prevents automatic restart when voltage returns. For mounting inside the unit. Voltage 220-240 AC 380-415 AC 24 AC 110 AC For increasing the fault breaking capacity of single unit or group back-up to 50kA. UI = 690V IU = 32A Product MBS25 ID50 Product MU25A U230 MU25A U400 MU25A U24 MU25A U110 Starter Carrier Accepts contactor and manual motor starter to mount onto one DIN rail. Bus-Bar System Product MBS25 PL54 System for connecting units together and incoming supply. Fully isolated UI = 690V IU = 63 amps Description For 2 units - 99mm For 3 units - 154mm For 4 units - 208mm For 5 units - 262mm Protection for unused terminals Supply Block Spacing Piece 1/2 TE Product MBS25 D99 MBS25 D154 MBS25 D208 MBS25 D262 MBS25 BS MBS25 DB P730 Electrical Characteristics Current Range 0.10 - 0.16 0.16 - 0.25 0.25 - 0.40 0.40 - 0.63 0.63 - 1.00 1.00 - 1.60 1.60 - 2.50 2.50 - 4.00 4.00 - 6.30 6.30 - 10 10 -16 16 - 20 20 - 25 Description Moulded enclosure - IP55 Moulded front plate - IP55 Locking Bracket - 3 position Mushroom stop button Green Indicator 240V Red Indicator 240V Earth or neutral conductor Moulded enclosure CEE Socket Product MU25A O55 MU25A C55 MU25A Z MU25A NAT MU25A SG230 MU25A SR230 MU25A NL MU25A GC1 Trip curve Rated Short Circuit Capacity kA Back-up Fuse (gI) 220-240 380-415 500 660-690 220-240 380-415 500 660-690 100 100 100 100 ● ● ● ● 100 100 100 100 ● ● ● ● 100 100 100 100 ● ● ● ● 100 100 100 100 ● ● ● ● 100 100 100 100 ● ● ● ● 100 100 100 100 ● ● ● ● 100 100 3 2.5 ● ● 25 25 100 100 3 2.5 ● ● 35 25 100 100 3 2.5 ● ● 50 35 100 6/50* 3 2.5 ● 80 50 35 10/100* 4/50* 2.5 2 80 80 63 35 10/100* 4/50* 2.5 2 80 80 63 50 10/100* 4/50* 2.5 2 80 80 63 50 *KA with current limiter MBS25-ID50 up to 415V AC MU/03/03 Enclosures ● Fuse not required Trip curve 1. Three phase trip curve Average value of typical tolerance curves from cold condition x setting current www.imopc.com Manual Motor Starter MU continued Dimensions (mm) Manual Motor Starter Moulded Enclosure MU25A MU25A-O55 43 23 ø4.5 150 45 30 72 82 Aux. contact 90 M4 76.5 9 55 4 x PG16 76 80 45 97.5 20 Moulded Front Plate Moulded Enclosure for 5-pole CEE-plug MU25A-C55 MU25A-GC1 85 68 199 M4 54.5 145 105 129 max. 6 80 85 ø21 116-118 130 110 116-118 MU/03/03 M4 42.5 103 R4-6 Mounting with clamps 68 14 70-72 70-72 140 Rail according to DIN EN 50 022 80 38 45 33-34 64 with screws www.imopc.com