ABB MS325 Technical data
5.7
MANUAL MOTOR STARTERS:
Selection: 5.3 Accessories: 5.4 - 5.6
Technical data: 5.7 - 5.8 Approximate dimensions: 5.9 - 5.12
5
AC 1000 – 2/97
Technical data for manual motor starters
Type MS325
General data
Rated voltage 600 V
Rated current 25 A (14 setting ranges, 0.1 to 25A)
Rated frequency 50 - 60 Hz
Electrical and mechanical life endurance 100,000 operations
Mounting position Optional
Ambient temperature -25°C to +50°C
Temperature compensation -25°C to + 50°C
Wire range 14 - 8 AWG
Standards
• IEC 157-1, 292-1, 337-1
• VDE 0660 part 101, 104, 106, 200
• SEV 1090-1, 1092-1, 1093-1
Approvals
• UL: E137861 (MS 325); E90353 (Auxiliary contact blocks)
• CSA: LR 15332
• NEMKO, DEMKO, FI, SEV, KEMA, KEUR
Tripping values
Thermal tripping setting Magnetic tripping
ranges (A) operating current (A)
0.1 - 0.16 1.6
0.16 - 0.25 2.5
0.25 - 0.40 4.0
0.4 - 0.63 6.3
0.63 - 1 12
1 - 1.6 19
1.6 - 2.5 30
2.5 - 4 48
4 - 6.3 75
6.3 - 9 108
9 - 12.5 150
12.5 - 16 192
16 - 20 240
20 - 25 300
Low voltage trip
Rated voltage 400V
Rated frequency 50 - 60 Hz
Rated power 0.9 W
Operating voltage
• Drop out (% of nominal control voltage) 10% - 75%
• Pull in 80% - 110%
0.001
0.01
0.1
1
10
0 2 4 6 81012141618
6
0.6
20
6
20
0.002
0.004
0.006
0.02
0.04
0.06
0.2
0.4
2
4
40
1
2
4
10
40
1
2
Multiple of rated current
Tripping time
h
min
s
3 pole
2 pole
0.10 - 0.16 85 1600 1
0.16 - 0.25 85 1600 1
0.25 - 0.40 85 1600 1
0.40 - 0.63 85 1600 10
0.63 - 1.00 85 1600 10
1.00 - 1.60 85 1600 10
1.60 - 2.50 85 1600 10
2.50 - 4.00 85 1600 15
4.00 - 6.30 30 1600 25
6.30 - 9.00 30 1600 35
9.00 - 12.5 30 1600 50
12.5 - 16.0 30 1600 60
16.0 - 20.0 30 1600 80
20.0 - 25.0 30 1600 100
Interruption ratings
Thermal setting High fault Maximum Maximum
range (Amps) short circuit rating 480V group fuse BCP fuse 600V
kA A A
Maximum switching capacity for DC loads
using 3 main current paths in series
DC 1 60V 25
110V 25
220V 25
440V 25
DC 2/3 60V 25
110V 25
220V 25
440V 25
DC 4/5 60V 25
110V 25
220V 25
440V 25
Auxiliary leads
Type load Voltage Amps
Carrying capacity of aux. contacts
Thermal permanent current I
th
6
Rated operating for AC11 up to 220VAC 2
current I
e
380VAC 1.5
500VAC 1.2
DC11 up to 60VDC 1.5
110VDC 1
220VDC 0.3
440VDC 0.1
Auxiliary and pilot contacts
Rated voltage 400V
Rated current
• I
th
6 A
• AC 11 2 A, 200 V
Connection cross sections 2 x 14 AWG
DC Load Voltage Amps
20
Manual Motor Starters Type Series MS
Technical data
SST01497
SST02198
SST01898
Manual motor starter Type MS116 MS325; MO325 MS450/451; MO450 MS495/496/497;
MO495/496
General technical data
Standards: The devices comply with the major 947-1 947-1 947-1 947-1
international, European and national 947-2 947-2 947-2 947-2
regulations IEC 60../EN 60.. 947-4-1 947-4-1 947-4-1 947-4-1
947-5-1 947-5-1 947-5-1 947-5-1
Disconnector characteristics (to IEC/EN 60947-1) yes yes yes yes
Mechanical service life in operations 100.000 100.000 50.000
Permissible ambient temperature
- Operating temperature °C – 20... + 55/70 – 25 ... + 55/70 – 20 ... + 60/70
- Storage temperature °C – 50 ... + 80 – 50 ... + 80 – 50 ... + 80
Temperature compensation with
Mounting position any
Permissible altitude m 3000 3000 2000
Permissible resistance to vibrations
10-150 Hz 10-150 Hz on request on request
(IEC 68-2-6) Amplitude 5 g Amplitude 5 g
Permissible resistance to shocks
sinusoidal shock
25 g (11 ms) 15 g (11 ms) on request on request
(IEC 68-2-27)
Mounting (mounting hardware not included in
scope of delivery)
Screw fi xing see accessories see accessories 2 x M5 2 x M5
Quick fastening to EN 50022 35 mm 35 mm 35 mm 35 mm,
on top-hat rail (15 mm high)
to EN 50023 – – – 75 mm
Electrical connection
of the main conductors (main circuits)
Type Screw terminal Box terminal Box terminal Box terminal
+ bus
Screw Pozidrive size 2 Pozidrive size 2 Pozidrive size 2 Internal hexagon
4 mm
Single-core 1 x mm
2
1 ... 4 1 ... 10 0.75 ... 35 2.5 ... 70
2 x mm
2
1 ... 4 1 ... 4 0.75 ... 25 2.5 ... 50
Stranded 1 x mm
2
1 ... 4 1 ... 10 0.75 ... 35 2.5 ... 70
2 x mm
2
1 ... 4 – 0.75 ... 25 2.5 ... 50
Flexible 1 x mm
2
0.75 ... 2.5 1 ... 6 0.75 ... 25 2.5 ... 50
2 x mm
2
0.75 ... 2.5 – 0.75 ... 16 2.5 ... 35
of the auxiliary conductors (auxiliary circuits)
Type Screw Screw Screw
terminal terminal terminal
Screw Pozidrive size 2 Pozidrive size 1 Pozidrive size 2
Single-core 1 x mm
2
1 ... 2.5 0.5 ... 2.5 0.5 ... 2.5
2 x mm
2
1 ... 2.5 0.5 ... 2.5 0.5 ... 2.5
Flexible 1 x mm
2
0.75 ... 2.5 0.5 ... 2.5 0.5 ... 1.5
2 x mm
2
0.75 ... 2.5 0.5 ... 2.5 0.5 ... 1.5
Operating conditions up to 70° C on request
G-values refer to the mounting position subject to the highest shock sensitivity
Also applies to auxiliary switches HKF1 and undervoltage release UA1
For auxiliary switch HKF.. Pozidrive 2
Applies to auxiliary switches HK1 and SK1
SST11601
21
Manual Motor Starters Type Series MS
Technical data
Correction factors for other frequencies on request
Manual motor starter Type MS116 MS325; MO325 MS450/451; MO450 MS495/496/497;
MO495/496
General electrical data
Rated insulation voltage U
i
to EN 60947 V AC 690 690 690 690
to CSA / U
L
/ NEMA V AC 600 600 600 600
Rated operating voltage U
e
up to V 690 AC/440 DC 690 AC/440 DC 690 AC/440 DC 690 AC/440 DC
Rated impulse strength U
imp
kV 6 6 6 6
Rated continuous thermal current I
th
A 16 25 50 100
Rated frequency Hz 50/60
Rated current ranges I
e
A 0.1 ... 16 0.1 ... 25 11 ... 50 28 ... 100
(number of ranges) (11) (14) (7) (6)
Rated service short-circuit breaking capacity I
cs
and max. permissible back-up fuses see pages 23 / 24.
DC rated operating voltage
in the case of series connection
of 3 main circuits
(see wiring diagram, Page 25)
DC 1, 60 V A on request 25 50 100
DC 3, 60 V A on request 25 50 100
DC 5, 60 V A on request 25 50 100
Short circuit capacity for DC-rating on request
Auxiliary circuits
Load rating of the auxiliary circuits
Minimum load at: 24 V DC mA 5 mA at 17 VDC 5 5 mA at 17 VDC
12 V DC mA – 10 –
Auxiliary contact for front mounting
AC15 24V, 3.0 A 24V, 4.0 A 24V, 4.0 A
230V, 1.5 A 120V, 3.0 A 230V, 3.0 A
230V, 2.0 A
DC13 24V, 1.0 A 24V, 2.0 A 24V, 1.0 A
60V, 0.7 A 60V, 2.5 A 48V, 0.3 A
110 V, 0.3 A 110 V, 0.6 A 60 V, 0.15 A
220 V, 0.1 A 220 V, 0.25 A
Auxiliary and signal contact
AC15 24V, 6.0 A 24V, 4.0 A 24V, 6.0 A
230V, 4.0 A 120V, 3.0 A 230V, 4.0 A
400 V, 3.0 A 230V, 2.0 A 400 V, 3.0 A
DC13 24V, 2.0 A 24V, 2.0 A 24V, 1.0 A
110 V, 0.5 A 60V, 2.5 A 110 V, 0.5 A
220 V, 0.25 A 110 V, 0.6 A 220 V, 0.25 A
220 V, 0.25 A
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