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BTRN-4 • Speed controllers

  • 5-step transformer controller
  • 400V/3ph
  • Till 18 A
  • IP54

5-steps transformer controller

Application

  • Hand control of the speed of motors

Composition

  • Supply:400 Vac - 50/60 Hz - from 1,5 up to 18 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
  • The BTRN-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

BTRN-4-11


BTRN = trans type

4 = 400Vac 3ph

11 = max. current

Dimensions

A [mm]

B [mm]

C [mm]

D [mm]

E [mm]

[kg]

BTRN 4-2

30032518525525513

BTRN 4-4

30042518525535518.20

BTRN 4-6

30042518525535522.30

BTRN 4-8

30042518525535527.20

BTRN 4-11

40043023535535538

BTRN 4-14

40043023535535543
BTRN 4-1840053023535545547

Wiring diagram
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