ADS8 AC contactors, starters wiring diagrams


 9-15kW DOL starter without switch disconnect
 15kW DOL starter with switch disconnect
 11kW DOL reversing starter without switch disconnect
 25kW Star Delta starter without switch disconnect
 Short circuit protection
 Contact Details




9-15 kW DOL starter without switch disconnect, moulded & metal surface mounting enclosure, wiring diagrams

Circuit Diagrams
A. Three Phase Motors-D.O.L. Starter
Local 3-Wire (Push Button) Control




Connect supply to 1 and 5. Connect Motor to 4 and 6 and insert a cable of cross-sectional area equal to the supply cables between 3 and 2 as shown.

Coil phase to neutral: remove connector Y, connect Neutral to A1
Separate coil supply: remove connectors Y and Z, connect coil supply to A1 and 96.
Coil voltage: Ensure correct voltage coil is fitted for separate coil supply and phase toneutral applications.
External interlock: Remove connection Z and insert interlock between 5 and 96.
Alarm circuit: At trip an alarm signal voltage equal to the coil voltage is available between 98 and A1 when a link is added between 96 & 97. The switch is rated at 440VA, 500V maximum.
Control circuit fuses (10A MAX).
Coil connected Phase to neutral (1 fuse): remove connector Z and connect fuse between 5 and 96.
Coil Connected Phase to Phase (2 fuses): remove connector Z and connect fuse between 5 and 96. Remove connector Y and
connect fuse between 1 and A1.
Note: the voltage rating of the fuse(s) must be suitable for the control circuit voltage.
Short circuit protection: Maximum sizes of fuses or MCB’s to give short-circuit protection to this starter are tabulated here.
To reverse direction of rotation (3-Phase Motors): Interchange any two supply lines 1, 3 or 5.


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15kW DOL starter with switch disconnect, IP 54 metalclad surface mounting enclosure, wiring diagrams

Three Phase Motors-D.O.L. Starter Isolator
Local 3-Wire (Push Button) Control




Coil phase to neutral: Remove connector Y, connect Neutral to A1
Separate coil supply: Remove connectors Y and Z, connect coil supply to A1 and 96.
Coil voltage: Ensure correct voltage coil is fitted for separate coil supply and phase to neutral applications.
Control circuit fuses (10A MAX).
Coil connected Phase to neutral (1 fuse)
: remove connector Z and connect fuse between 5 and 96.
Coil Connected Phase to Phase (2 fuses): remove connector Z and connect fuse between 5 and 96. Remove connector Y and connect fuse between 1 and A1.
Note: The voltage rating of the fuses must be suitable for the control circuit voltage.
External interlock: Remove connection Z and insert interlock between 5 and 96
Alarm circuit: At trip an alarm signal voltage equal to the coil voltage is available between 98 and A1 when a link is added between 96 & 97. The switch is rated at 440VA, 500V maximum.
Short circuit protection: Maximum sizes of fuses or MCB’s to give short-circuit protection to this starter are tabulated here.

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11kW DOL reversing starter without switch disconnect, IP 54 metalclad surface mounting enclosure, wiring diagrams

Coil phase to neutral: Remove connector Y, connect Neutral to A1 F
Separate coil supply: Remove connectors Y and Z, connect coil supply to A1 R and 96.
Coil voltage: Ensure correct voltage coil is fitted for separate coil supply and phase to neutral applications.
Control circuit fuses (10A MAX).
Coil connected Phase to neutral (1 fuse):
remove connector Z and connect fuse between 5 and 96.
Coil Connected Phase to Phase (2 fuses): remove connector Z and connect fuse between 5 and 96. Remove connector Y and connect fuse between 1 and A1 R.
Note: The voltage rating of the fuses must be suitable for the control circuit voltage.
External interlock: Remove connector Z and connect interlock between 5 and 96. When using remote control, connect external interlock in series with remote 2 wire (switch control).
To reverse direction of rotation: (3 Phase Motors) interchange any two supply lines 1, 3 or 5.
Alarm circuit: At trip an alarm signal voltage equal to the coil voltage is available between 98 and A1 when a link is added between 96 and 97. The switch is rated at 400VA, 500V maximum.
Short circuit protection: Maximum sizes of fuses or MCB’s to give short-circuit protection to this starter are tabulated here.
Limit Switch Connections:
Forward limit:
Remove connection between 54Forward and 21Reverse - connect limit switch between 54F and 21R
Reverse limit: Remove connection between 54Reverse and 21Forward - connect limit switch between 54R and 21F

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25kW DOL Star Delta starter without switch disconnect,
IP 54 metalclad surface mounting enclosure, wiring diagram

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Short circuit protection

Direct on Line

Overload Relay
List Number

Motor FLC
Ie (A)

SCPD Back-up
protection
Max. HRC fuse
BS88:1 aM (A)

Back-up
protection
Max. MCB Type C

8TT87

0.63–1

4

MCH306

8TT88

1–1.6

6

MCH306

8TT89

1.6–2.5

10

MCH306

8TT90

2.5-4

16

MCH310

8TT91

4-6

16

MCH310

8TT98

5.5-8.0

20

MCH316

8TT92

7-10

25

MCH320

8TT93

10-13

32

MCH320

8TT94

13-18

40

MCH332

8TT104

18-25

50

MCH340

8TT96

23-32

63

MCH363

Star Delta

Overload Relay
List Number

Motor FLC
Ie (A)

SCPD Back-up
protection
Max. HRC fuse
BS88:1 aM (A)

Back-up
protection
Max. MCB Type C

8TT90SD

4.3-6.9

16

MCH310

8TT91SD

6.9-10.4

16

MCH310

8TT98SD

9.5-13.8

20

MCH316

8TT92SD

12.1-17.3

25

MCH320

8TT93SD

17.3-22.5

32

MCH320

8TT94SD

22.5-31

40

MCH332

8TT104SD

31-43

50

MCH340

8TT96SD

40-55

63

MCH363

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08700 545 333

Facsimile:

08700 540 333

Address:

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Birmingham B11 3EZ - United Kingdom
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