LHS 21S PREMIUM

  • Designed for tight spaces
  • Protection against heating element overheating
  • Integrated alarm output
  • Continuously variable heating output adjustment

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Industrial Hot Air Devices

Leister hot air tools are used in countless industrial production processes. In fact, there are very few industries that do not benefit from our versatile offerings, regardless if the process only operates with hot air or if it becomes more efficient with hot air. Leister has the right blower for every production line.

Details

Small Air Heater With Controllable Heating Output

The LHS 21S PREMIUM shows that that Leister Technologies AG is also considered a market leader in industrial hot air applications worldwide. This highly developed air heater is characterized by its extremely small dimensions. At only 67 mm (2.65 in) in width, the LHS 21S premium is easily installed in machines and production lines with tight spaces. Durability, reliability and protection against heating element and device overheating makes the LHS 21S PREMIUM the optimum device for continuous use.
Designed for integration in industrial machine and production systems, this air heater enables many application scenarios: For sterilizing, drying or welding, cleaning, shrinking and molding, deburring or activation. The LHS 21S PREMIUM is versatile thanks to high-quality hot air technology. With the built-in potentiometer, the target values of the heating output are specified in ongoing operation.

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Voltage Power
120 V 1000 W / 2000 W
230 V 1000 W / 2000 W

Technical Data

NAME METRIC IMPERIAL
PHASES 1x 1x
VOLTAGE 120 - 230 V 120 - 230 V
CURRENT 4.5 - 17.0 A 4.5 - 17.0 A
POWER 1000 - 2000 W 1000 - 2000 W
MAX. AIR OUTLET TEMPERATURE 650 °C 1202 °F
MIN. AIR FLOW ⓘ 80 - 160 l/min 2.82 - 5.65 cfm
MAX. AIR INLET TEMPERATURE 65 °C 149 °F
MAX. AMBIENT TEMPERATURE 65 °C 149 °F
AIR TEMPERATURE CONTROL Open loop Open loop
OVERHEATING PROTECTION Yes Yes
ALARM OUTPUT Normally open contact Normally open contact
MAX. INLET PRESSURE 100 kPa 14.5 psi
NOZZLE CONNECTION Ø 36.5 mm / 1.45 in 36.5 mm / 1.45 in
DISPLAY No No
LENGTH 236.0 mm 9.29 in
WIDTH 67.0 mm 2.63 in
HEIGHT 71.0 mm 2.79 in
WEIGHT 0.55 kg 1.21 lb
CONFORMITY MARK CE CE
SAFETY MARK S+ S+
PROTECTION CLASS II II

Highlights

High, Controllable Heating Output

COMPACT
Housing Length of 236 mm / 9.29 in
In addition to it’s strong heating electronics, the LHS 21S PREMIUM’s small dimensions make it
suitable for installation in machines and production lines with space constraints.

CONTROLLABLE
Continuously variable heating output adjustment
With the rotary potentiometer, the continuously variable adjustment of target heating output can be set on the LHS 21S PREMIUM.
The device is available with 1.0 kW/2.0 kW heating output with a 120 V or 230 V power supply.

SAFE
Protection against overheating
The LHS 21 premium air heater has built-in device and heating element protection,
ensuring safety in various applications and in continuous use.

Applications

Operating Instructions
LHS 15/21/41/61
LHS-15_21_41_61-1.pdf (111 downloads)

General Catalogue
Process Heat – US
Process-Heat-US.pdf (1626 downloads)

Downloads

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