Ks Sleeve Inline Axial Erm

• Motors are available in single phase only, with class ‘B’ insulation.
• Fully speed controllable.
• Ideal for installation with flexible ductwork systems.
• Available in sizes from 130 mm to 350 mm.

FAN DIAMETER

130-630mm

DUTY

up to 5000l/s

PRESSURE

up to 260 Pa

ERM AXIAL

Features of all Models

• Ziehl or ebm impeller / motor assembly.
  Factory assembled and balanced.
  Power units designed for optimum efficiency.
  Fully speed controllable external rotor motor.
  Sealed for life ball bearings.
  High efficiency, low noise axial and/or sickle
  blade fixed pitch axial impeller .
  Perfectly matched to medium / low pressure
  and volume systems.

• Compact design construction.
  Attractive low profile with high durability and
  longevity.
• Able to be installed at any angle.
  Inline Axial External Rotor Motor KS, FEF
• Most fans available in SC versions.

Specifications

Housing

Housings of these units are made of galvanised steel with either a spun flanged connection or with a rolled swage connection. The flange models have a powder coated finish.

Impellers

Ziehl axial impellers are manufactured from pressure die cast aluminium for low rotational mass. The rotor /
impeller assembly is balanced as a complete assembly to ISO1940 Grade 6.3 or higher.

Motors

Motors are manufactured by Ziehl or ebm and are of external rotor design. Motor enclosure features IP54/IP44 protection. Motor windings incorporate class ‘F’ or ‘B’ insulation. Motor bearings are maintenance free ball bearing design. Auto-reset thermal contacts are generally provided, either  integrally wired or terminated at wiring connection bar.

Testing

Rated fan performance has been determined by testing to DIN24163 1998.
Fan sound data has been determined by testing to DIN45635.

Wiring Diagrams

It is the responsibility of the user to connect the thermal contacts where provided to protect the motor.
Failure to do so will void the warranty on the motor.