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
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
Specification
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
For fitting to the side of the unit
max 1 block each side.
Contacts
1 Make + 1 Break
(internal mount)
1 Break
1 Make + 1 Break
2 Makes
2 Early Makes
Product
MU25A PE11
MU25A PS01
MU25A PS11
MU25A PS20
MU25A PV20
Shunt Trip
Trips out the unit as voltage is applied.
Mounting inside the unit.
Voltage
24 AC
110 AC
220-240 AC
380-415 AC
Product
MU25A A24
MU25A A110
MU25A A240
MU25A A400
MU/03/03
www.imopc.com
Manual Motor Starter MU
continued
Accessories
continued
Undervoltage Trip
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
Product
MU25A U230
MU25A U400
MU25A U24
MU25A U110
Starter Carrier
Bus-Bar System
System for connecting units together and
incoming supply.
Fully isolated UI = 690V I
U
= 63 amps
Description
For 2 units - 99mm
For 3 units - 154mm
Product
MBS25 D99
MBS25 D154
Enclosures
Description
Product
Moulded enclosure - IP55 MU25A O55
Moulded front plate - IP55 MU25A C55
Locking Bracket - 3 position MU25A Z
Mushroom stop button
MU25A NAT
Green Indicator 240V
Red Indicator 240V
Earth or neutral conductor
Moulded enclosure CEE Socket
MU25A SG230
MU25A SR230
MU25A NL
MU25A GC1
Accepts contactor and manual motor starter
to mount onto one DIN rail.
Product
MBS25 PL54
Current Limiter
For increasing the fault breaking capacity of
single unit or group back-up to 50kA.
U
I
= 690V
I
U
= 32A
Product
MBS25 ID50
For 4 units - 208mm
MBS25 D208
For 5 units - 262mm
MBS25 D262
Protection for unused terminals MBS25 BS
Supply Block
Spacing Piece
1
/
2
TE
MBS25 DB
P730
Electrical Characteristics
Current Range
Rated Short Circuit Capacity kA
Back-up Fuse (gI)
220-240 380-415 500 660-690 220-240 380-415 500 660-690
0.10 - 0.16 100
100
100
100
q
q
q
q
0.16 - 0.25 100
100
100
100
q
q
q
q
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
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
6/50*
100
100
100
100
3
3
3
3
2.5
2.5
2.5
100
100
100
100
2.5
2.5
2.5
2.5
2
2
2
q
q
q
q
q
q
q
q
80
80
80
q
q
q
q
q
q
q
80
80
80
80
q
q
q
q
25
35
50
50
63
63
63
q
q
q
q
25
25
35
35
35
50
50
Trip curve
Trip curve
1. Three phase trip curve
Average value of typical
tolerance curves from
cold condition
10/100* 4/50*
10/100* 4/50*
10/100* 4/50*
*KA with current limiter MBS25-ID50 up to 415V AC
q
Fuse not required
x setting current
MU/03/03
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