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BTRNTK-4 • Speed controllers with motor protection

  • Transformer speed controllers
  • 400V
  • Till 11A
  • IP54

5-steps transformer controller with motor protection

Application

  • Hand control of the speed of controllable motors with PTO

Composition

  • Supply: 400 Vac - 50/60 Hz - from 1,5 up to 11 A
  • Enclosure: sheet steel, IP54
  • Cam switch: 5 positions and Off-position
  • Several voltage ranges possible
  • Indicator lamp.
  • 230 Vac, unregulated output
  • Ready mounted cable glands
  • Maximal ambient temperature: 35 °C
  • With TK contacts for thermal motor protection
  • The BTRNTK-4 transformer speed controllers are based on the principle of voltage control with auto-transformers. They are applicable to voltage-controllable motors (400 Vac, 50/60 Hz) to control in 5 steps the rotational speed (of fans, pumps, etc.).

Order example

BTRNTK-4-11


BTRNTK = trans type

4 = 400Vac 3ph

11 = max. current

Articles

Article selection assistant
Type
Article number Type E-shop
I030312022524 KRFI-SN 225 E2 30
I030312025023 KRFI-SN 250 E2 30
I030312280D23 KRFI-SN 280 D2 30
I030312315D43 KRFI-SN 315 D4 30
I030312355D43 KRFI-SN 355 D4 30
I030312400D43 KRFI-SN 400 D4 30
I030312045043 KRFI-SN 450 E4 30
I030312450D43 KRFI-SN 450 D4 30
I030312500D43 KRFI-SN 500 D4 30
I030312056044 KRFI-SN 560 D4 30
I030312063045 KRFI-SN 630 D4 30
I030312710D63 KRFI-SN 710 D6 30
=> Stock product central warehouse, except sales
=> Tradable until end of stock; no reordering possible afterwards. A possible end of stock discount has already been included in the catalogue price.

Dimensions

 

A [mm]

B [mm]

C [mm]

D [mm]

E [mm]

[kg]

BTRNTK 4-05

300

325

175

255

255

11,7

BTRNTK 4-12

300

325

175

255

255

12,8

BTRNTK 4-15

300

325

175

255

255

13,2

BTRNTK 4-25

300

325

175

255

255

13,2

BTRNTK 4-40

400

425

175

255

355

18,2

BTRNTK 4-60

400

425

235

255

355

22,5

BTRNTK 4-80

300

425

235

255

355

27,7

BTRNTK 4-110

400

430

235

355

355

38,4

Wiring diagram

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