Technical data


short circuit protection ... MAX HRC fuse BS88:1 aM (A) Max MCB Type C ... MCH320. 8TT94. 13–18. 40. MCH332. 8TT104. 18–25. 50. MCH340. 8TT96. 23â...

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Technical data

Enclosed motor, heating and lighting control 25kW Star Delta starter without switch disconnect, IP 54 metalclad surface mounting enclosure, wiring diagram Control

Circuit Diagram; Power

Remote Control Option

5 3

1

5

M

1

3

5

D 2

4

6

3

1

6

4

4

2

2

6

4

6

96 Remote PB

95 17

13

D

M

18

1

3

L2

5

55

M 2

4

6

3

5

1

3

S

D 2

4

S 6

2

4

68

M

21

67 21

22

4

A2

A2

6

M

A1

A1

X

A1

M

D

A1

A1 Y

D

1

ON

OFF

5

13

D

M

S

2. Coil Voltage different to Power Voltage Scheme A 3. Remote Control Option Scheme B

A2

A2

M

1

X

A1 1

S 22

A2

Y

Control Connections to be made

21

S

A1

D

M 67 21

22

A2

U2 V2 W2

68

M

D

D

V2 W2 U2

1. Coil Voltage same as Power Voltage No Change

56

22

S 2

55

S

D 6

54

M 56

5

U1 V1 W1 M 3

M 14 53

S

L3

Remove link for Remote Operation

13

ON

54

1

95

OFF 14 53

Power Connections to be made L1

D

Z

96

S 2

5

D

Z

5

D

54

S

14

A

95

96

B

X

Short circuit protection Overload Relay list number Motor FLC Ie (A)

Direct on line 8TT87 8TT88 8TT89 8TT90 8TT91 8TT98 8TT92 8TT93 8TT94 8TT104 8TT96 Star Delta 8TT90SD 8TT91SD 8TT98SD 8TT92SD 8TT93SD 8TT94SD 8TT104SD 8TT96SD

SCPD Back-up protection Back-up protection MAX HRC fuse BS88:1 aM (A) Max MCB Type C

0.63–1 1–1.6 1.6–2.5 2.5–4 4–6 5.5–8.0 7–10 10–13 13–18 18–25 23–32

4 6 10 16 16 20 25 32 40 50 63

MCH306 MCH306 MCH306 MCH310 MCH310 MCH316 MCH320 MCH320 MCH332 MCH340 MCH363

4.3–6.9 6.9–10.4 9.5–13.8 12.1–17.3 17.3–22.5 22.5–31 31–43 40–55

16 16 20 25 32 40 50 63

MCH310 MCH310 MCH316 MCH320 MCH320 MCH332 MCH340 MCH363

Power distribution components  PG01414001U – October 2011

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