3RH1122-2AB00 datasheet(7/76 Pages) SIEMENS

7 / 76 page

3RT, 3RH, 3TB, 3TC, 3TH, 3TK Contactors for Special Applications

3TC Contactors for Switching DC Voltage

1- and 2-pole, 32 ... 400 A

3/77

Siemens LV 1 · 2006

1) For the permissible load for utilization category DC-1,

see Technical Specifications.

2) The auxiliary switch complement cannot be altered on DC-operated

contactors.

3) Upper operating range limit at 230 V: 1.14 x Us.

1) Coil operating range at 220 V or 380 V: 0.85 to 1.15 x Us;

lower operating range limit according to IEC 60947.

2) Upper operating range limit at 230 V: 1.14 x Us.

3TC74

3TC78

Size

Rated data

DC-3 and DC-51)

Auxiliary

contacts2)

Rated control

supply

voltage Us

DT Order No.

Price

per PU

(UNIT,

SET, M)

PS*

Weight

per PU

approx.

Opera-

tional

current Ie

Ratings of DC motors at

110 V 220 V 440 V 600 V 750 V 1200 V 1500 V

kWkWkWkW

kWkW

NC V

3TC74 1-pole contactors

¼ Operating voltage up to 750 V

DC operation

400

140

200

250

24 DC

3TC74 14-0EB

1 1 unit 101 10.728

110 DC

3TC74 14-0EF

1 1 unit 101 10.660

AC operation, 50 Hz

400

140

200

250

230 / 220 AC3) C

3TC74 14-1CM

1 1 unit 101 10.850

3TC78 2-pole contactors

¼ Operating voltage up to 1500 V

DC operation

400

140

200

250

400

500

24 DC

3TC78 14-0EB

1 1 unit 101 22.500

110 DC

3TC78 14-0EF

1 1 unit 101 15.960

AC operation, 50 Hz

400

140

200

250

400

500

230 / 220 AC3) C

3TC78 14-1CM

1 1 unit 101 23.824

For more rated control supply voltages Us, see below.

For spare parts, see page 3/144.

Contactor type

3TC44

3TC48

3TC52/56

3TC74/78

Rated control supply voltage Us

Rated control supply voltages (the 10th and 11th position of the order number must be changed)

AC operation · Coils for 50 Hz

24 V AC

110 V AC

230/220 V AC

P01)

M2)

240 V AC

AC operation · Coils for 50/60 Hz

24 V AC

110 V AC

120 V AC

220 V AC

230 V AC

DC operation

24 V DC

48 V DC

60 V DC

110 V DC

125 V DC

220 V DC

230 V DC

* You can order this quantity or a multiple thereof.

3RH1122-2AB00 Datasheet(PDF) 7 Page - Siemens Semiconductor Group

3RH1122-2AB00 Datasheet(HTML) 7 Page - Siemens Semiconductor Group

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