Delta Three Phase 1342457 06-03-05 Service Manual download pdf (Page 72)

June 2005

For more information visit: www.EatonElectrical.ca CAT.02.02.S.K.CD

XT IEC Power Control

Contactors, Starters and Overload Relays

Technical Data and Speciﬁcations

AC Ratings

Table 109. AC Ratings



At maximum permissible ambient temperature.



Example —

The transformer has a nominal current of 10A with an inrush current of 18 times the nominal current. So, the contactor must have an AC-3 current of

18/6 x 10A = 30A. Using an XTCE032C (32A AC-3) contactor is recommended.

Description XTCE007B XTCE009B XTCE012B XTCE015B XTCE018C XTCE025C XTCE032C

AC-1 Operation

Conventional Free Air Thermal Current,

3-Pole, 50 – 60 Hz

at 40°C (I

)

at 50°C (I

)

at 55°C (I

)

at 60°C (I

)

22A

21A

20A

22A

21A

20A

22A

21A

20A

22A

21A

20A

40A

38A

37A

35A

45A

43A

42A

40A

45A

43A

42A

40A

Conventional Free Air Thermal Current,

1-Pole (I

)

50A 50A 50A 50A 85A 85A 85A

AC-3 Operation

Rated Operational Current, 50/60 Hz



)

in amperes

220/230V

240V

380/400V

415V

440V

500V

660/690V

1000V

—

15.5

12.5

—

Rated power (P) in kilowatts

220/230V

240V

380/400V

415V

440V

500V

660/690V

1000V

2.2

4.5

3.5

—

2.5

5.5

4.5

—

3.5

5.5

7.5

6.5

—

4.6

7.5

8.4

7.5

—

5.5

7.5

10.5

—

7.5

8.5

14.5

15.5

17.5

—

AC-4 Operation

Rated Operational Current, 50/60 Hz



)

in amperes

220/230V

240V

380/400V

415V

440V

500V

660/690V

1000V

4.5

—

4.5

—

Rated power (P) in kilowatts

220/230V

240V

380/400V

415V

440V

500V

660/690V

1000V

1.5

2.2

2.3

2.4

2.5

2.9

—

1.5

1.6

2.5

2.8

3.6

—

2.2

3.4

3.6

3.5

4.4

—

2.2

3.4

3.6

3.5

4.4

—

2.5

4.5

5.5

6.5

—

3.5

6.5

8.5

—

4.5

7.5

—

AC-6A Operation

Transformer Loads Values are application speciﬁc. Calculation is I

AC-3

= X / 6 * I

e Transformer where X is the inrush current of the

transformer and

e Transformer is the nominal current.



AC-6B Operation

Capacitor Loads

Individual compensation rated operational cur-

rent I

of three-phase capacitors in amperes

Up to 525V

690V

—

Maximum inrush current peak (x I

)— — — — — — —

Component Lifesaving (Operations) — — — — — — —

Maximum Operating Frequency (ops/hr) — — — — — — —

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 187 188

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Delta Three Phase 1342457 06-03-05 Service Manual Page 72

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