Delta Three Phase 1342457 06-03-05 Service Manual download pdf (Page 75)

June 2005

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

XT IEC Power Control

Contactors, Starters and Overload Relays

Technical Data and Speciﬁcations

Table 109. AC Ratings (Continued)



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 XTCE650N XTCE750N XTCE820N XTCEC10N XTCEC14P XTCEC20R

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

)

1041

931

888

850

1102

986

940

900

1225

1095

1044

1000

1225

1095

1044

1000

1714

1533

1462

1400

2450

2190

2089

2000

Conventional Free Air Thermal Current,

1-Pole (I

)

2125 2250 2500 2500 3500 5000

AC-3 Operation

Rated Operational Current, 50/60 Hz



)

in amperes

220/230V

240V

380/400V

415V

440V

500V

660/690V

1000V

650

435

750

580

820

580

1000

700

—

Rated power (P) in kilowatts

220/230V

240V

380/400V

415V

440V

500V

660/690V

1000V

205

225

355

390

420

470

630

600

240

260

400

455

480

550

720

800

260

285

450

500

525

600

750

800

315

340

560

610

650

730

1000

—

AC-4 Operation

Rated Operational Current, 50/60 Hz



)

in amperes

220/230V

240V

380/400V

415V

440V

500V

660/690V

1000V

512

348

576

464

656

464

800

700

—

Rated power (P) in kilowatts

220/230V

240V

380/400V

415V

440V

500V

660/690V

1000V

161

176

280

307

326

370

494

509

181

200

315

346

367

417

556

678

209

228

355

394

418

474

633

678

260

280

450

490

520

590

780

1000

—

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

463

265

463

265

463

265

463

265

—

Maximum inrush current peak (x I

)30 303030— —

Component Lifesaving (Operations) 100,000 100,000 100,000 100,000 — —

Maximum Operating Frequency (ops/hr) 200 200 200 200 — —

1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 187 188

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Delta Three Phase 1342457 06-03-05 Service Manual Page 75

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