Grelci Maras d.o.o.|Jevčeva pot 2, 1351 Brezovica pri Ljubljani, Slovenia|+386 (01) 365 3 518|info@grelci-maras.si
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FTE IR
HEATERS

INFRARED

  
Grelci Maras d.o.o.
Jevčeva pot 2,
1351 Brezovica pri Ljubljani,
Slovenia
+386 (01) 365 3 518 | info@grelci-maras.si
 

USE


Infrared heating technology offers a fast, efficient, and contact-free way to heat a variety of materials. Unlike conventional heating methods, infrared energy is directly transferred from the emitter to the target material immediately upon activation. This is due to the fact that infrared radiation travels at the speed of light, requiring no intermediate medium for heat transfer.

Application areas:
Industrial heating, Food industry, Scentific and medical use

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ADVANTAGES

 
  • Instant Heat Transfer
    Infrared heat is delivered instantly without the need for a transport medium like air or water. As soon as the infrared emitter is switched on, the energy is immediately absorbed by the target material, ensuring fast and efficient heating. This rapid heat transfer makes infrared heaters ideal for applications that require quick results.
     
  • Customization with Infrared Wave Lengths
    Infrared emitters come in a range of designs and peak wavelengths, allowing them to be tailored for specific applications. The different wavelengths can be selected based on the material being heated and the desired heating effect, enabling precise and targeted heating. This versatility makes infrared technology ideal for use in everything from drying and curing processes to medical treatments and food processing.
     
  • Efficient and Eco-Friendly
    Infrared heating minimizes energy waste by directly heating objects, reducing the need to warm the surrounding air. This results in a more energy-efficient heating solution compared to traditional methods, making infrared emitters an eco-friendly choice for businesses and industries focused on sustainability.


Infrared heaters


SELECTION CHART


These guidelines provide essential information for selecting the right infrared heaters. While application-based selection is grounded in practical experience, choosing based on temperature, wavelength, and spectra ensures the right emitter design.
 
Application Long Wave Ceramic Emitters Short Wave Quartz Emitters Medium Wave Quartz Emitters
Type of heater: FTE, HTE FQE, HQE QHS, QTS
Paint drying      
Steel panels - Acrylic x   x
Steel panels - Alkyd x   x
Steel panels - Epoxy x   x
Epoxy Lacquer   x x
Plastics     x
PVC Paste Curing x   x
A.B.S. Forming x   x
Polystyrene Forming x   x
Polyethylene Forming x   x
Polypropylene Forming x   x
Car Bodies     x
Prelacquering   x  
Powder Paint   x  
Adhesives      
Water Based   x x
End Polymerisation   x  
Paper Labels x    
Glue Coating on Paper x    
Food      
Pasteurisation, Sterilisation   x  
Thermal Stabilisation   x  
Roasting x   x
Textiles      
Latex Backing Carpet x    
PVC Backing Carpet x    
Screen Printed T-Shirts x   x
Heat Setting Transfers x    
Screen Painting      
Plastic Instruments Dials x    
Aluminium Fascia Panels     x
Wellness      
IR cabins x    
PLEASE NOTE: The allocations are indications.We  recommend to test possible element types and wattages before final selections are made.


 

CERAMIC IR HEATER ELEMENTS: FTE, HTE



FTEHTE
 

FTE INFRA RED HEATERS

An industry-standard ceramic infrared heater (150 – 1,000W), our ceramic full trough heater element is designed for long-lasting energy-efficiency in industrial, commercial and domestic applications where a high surface temperature is needed.

Technical specifications:
 
 
 		  
Available Wattage:
 		 150W – 1000W
 
Size:
 		 245x60x34 mm
 
Average weight:
 		 105g
 
Heating conductor:
 		 Nickel-Chrom 80/20
 
Heater Voltage:
 		 230V standard
 
Useful wavelength range:
 		 2-10 microns
 
Max permissible operating temperature:
 		 750°C
 
Average Operating Life:
 		 Up to 20,000 hrs depending on conditions
 
Recommended radiation distance from heater:
 		 100-200 mm
 
Minimum recommended spacing between elements:
 		 5 mm
 


Supplied with 100mm ceramic beaded power leads.
We also supply elements fitted in a reflector.
 

Technical information

 
Available Wattage 150 250 300 400 500 650 750 800 1000
Mean surface temp (°C) 272 351 405 480 515 596 624 639 726
Max power density (kW/m2) 9,2 15,3 18,4 24,6 30,7 40 46,1 49,2 61,5
Based on tests of average surface temperature with an infrared thermometer set at an emissivity of 0.95 (element mounted in an aluminised steel reflector, RAS)
 

   Drawing FTE file

 

HTE INFRA RED HEATERS

An industry-standard ceramic infrared heater (125 – 500W), our ceramic half trough heater element is designed for long-lasting energy-efficiency in industrial, commercial and domestic applications where a high surface temperature is needed.

Technical specifications:
 
 
 		  
Available Wattage:
 		 125W – 500W
 
Size:
 		 122x60x34 mm
 
Average weight:
 		 190g
 
Heating conductor:
 		 Nickel-Chrom 80/20
 
Heater Voltage:
 		 230V standard
 
Useful wavelength range:
 		 2-10 microns
 
Max permissible operating temperature:
 		 750°C
 
Average Operating Life:
 		 Up to 20,000 hrs depending on conditions
 
Recommended radiation distance from heater:
 		 100-200 mm
 
Minimum recommended spacing between elements:
 		 5 mm
 


Supplied with 100mm ceramic beaded power leads.
We also supply elements fitted in a reflector.
 

Technical information

 
Available Wattage 150 250 300 400 500 650 750 800 1000
Mean surface temp (°C) 272 351 405 480 515 596 624 639 726
Max power density (kW/m2) 9,2 15,3 18,4 24,6 30,7 40 46,1 49,2 61,5
Based on tests of average surface temperature with an infrared thermometer set at an emissivity of 0.95 (element mounted in an aluminised steel reflector, RAS)
 

  Drawing HTE file



 
 

QUARTZ IR ELEMENTS: FQE, HQE



FQEHQE
 

FQE INFRA RED HEATERS

A range of full, half, quarter, and square quartz, cassette-style heating elements suitable for fast cycle heating. For use in any industrial or commercial heating and drying applications, these energy-efficient emitters produce controlled infrared heat beginning in the medium across the long-wavelength range.

Each industry-standard quartz element is constructed with a highly reflective aluminium clad steel or stainless steel body. Depending on size, the FQE, HQE, QQE, and SQE elements can produce an operating temperature up to a maximum of 750°C (138°F) with a maximum power output of 1000W (FQE and SQE models only).

All heaters are mounted using either 2 or 4 M5 x 30mm fixings screws attached to the rear of the element.
 
 
 		  
Available Wattage:
 		 250W – 1000W
 
Size:
 		 247x22,5x62,5 mm
 
Average weight:
 		 376g
 
Heating conductor:
 		 Nickel-Chrom 80/20
 
Heater Voltage:
 		 230V standard
 
Useful wavelength range:
 		 1,5-8 microns
 
Max permissible operating temperature:
 		 500°C
 
Average Operating Life:
 		 Up to 20,000 hrs depending on conditions
 
Recommended radiation distance from heater:
 		 100-200 mm
 
Minimum recommended spacing between elements:
 		 5 mm
 


Supplied with 100mm ceramic beaded power leads.
We also supply elements fitted in a reflector.
 


Technical information

 
Available Wattage 150 250 300 400 500 650 750 1000
Mean surface temp (°C) 343 438 477 542 593 664 690 772
Max power density (kW/m2) 8,8 14,6 17,6 23,5 29,3 38,2 44 58,7
Radiant Watt density at 100 mm W/cm2 0,1   0,26   0,48 0,69   1,14
Based on tests of average surface temperature with an infrared thermometer set at an emissivity of 0.95 (element mounted in an aluminised steel reflector, RAS)
 

   Drawing FQE file

 

HQE INFRA RED HEATERS
A range of full, half, quarter, and square quartz, cassette-style heating elements suitable for fast cycle heating. For use in any industrial or commercial heating and drying applications, these energy-efficient emitters produce controlled infrared heat beginning in the medium across the long-wavelength range.

Each industry-standard quartz element is constructed with a highly reflective aluminium clad steel or stainless steel body. Depending on size, the FQE, HQE, QQE, and SQE elements can produce an operating temperature up to a maximum of 750°C (138°F) with a maximum power output of 1000W (FQE and SQE models only).

All heaters are mounted using either 2 or 4 M5 x 30mm fixings screws attached to the rear of the element.
 
 
 		  
Available Wattage:
 		 200W – 500W
 
Size:
 		 132,5 x 22,5 x 62,5 mm
 
Average weight:
 		 217g
 
Heating conductor:
 		 Nickel-Chrom 80/20
 
Heater Voltage:
 		 230V standard
 
Useful wavelength range:
 		 1,5-8 microns
 
Max permissible operating temperature:
 		 500°C
 
Average Operating Life:
 		 Up to 20,000 hrs depending on conditions
 
Recommended radiation distance from heater:
 		 100-200 mm
 
Minimum recommended spacing between elements:
 		 5 mm
 


Supplied with 100mm ceramic beaded power leads.
We also supply elements fitted in a reflector.
 


Technical information

 
Available Wattage 150 250 300 325 400 500
Mean surface temp (°C) 477 593   664 709 772
Max power density (kW/m2) 17,2 28,7 34,5 37,3 45,9 57,4
Radiant Watt density at 100 mm W/cm2 0,266     0,69   1,14
Based on tests of average surface temperature with an infrared thermometer set at an emissivity of 0.95 (element mounted in an aluminised steel reflector, RAS)
 

   Drawing HQE file



 


 

QUARTZ TUNGSTEN/HALOGEN INFRARED TUBE HEATERS: QTS, QTM,QTL, QHS, QHM,QHL



QTSQTMQTLQHSQHMQHL
 

QTS QUARTZ TUNGSTEN SHORT
 
 		   Available Wattage: 750W

Size: 10 x 224mm

Fast medium wave emitter standard features

The tungsten filament used in these heaters is the porcupine or star type coil, which can be operated at temperatures up to 1500°C (2732°F), with peak wavelength emissions of approximately 1.6 microns. It reaches top temperatures within seconds.
As well as having excellent structural rigidity, this coil is designed to minimize light output and maximize IR emission thereby increasing IR radiant efficiency.

Standard Products: 240 v, R7s termination and 10 mm diameter glass.


Technical information

 
Model Wattage Voltage Max. Coil Temp. Overall lenght Heated lenght
QTS 750W 240V 1450°C 224 mm 170 mm

 

   Drawing QTS file

   

QTM QUARTZ TUNGSTEN MEDIUM
 
 		   Available Wattage: 1000W

Size: 10 x 277mm

Fast medium wave emitter standard features

The tungsten filament used in these heaters is the porcupine or star type coil, which can be operated at temperatures up to 1500°C (2732°F), with peak wavelength emissions of approximately 1.6 microns. It reaches top temperatures within seconds.
As well as having excellent structural rigidity, this coil is designed to minimize light output and maximize IR emission thereby increasing IR radiant efficiency.

Standard Products: 240 v, R7s termination and 10 mm diameter glass.


Technical information

 
Model Wattage Voltage Max. Coil Temp. Overall lenght Heated lenght
QTM 1000W 240V 1450°C 277 mm 225 mm

 

   Drawing QTM file

   

QTL QUARTZ TUNGSTEN LONG
 
 		   Available Wattage: 1500 - 2000W

Size: 10 x 473mm

Fast medium wave emitter standard features

The tungsten filament used in these heaters is the porcupine or star type coil, which can be operated at temperatures up to 1500°C (2732°F), with peak wavelength emissions of approximately 1.6 microns. It reaches top temperatures within seconds.
As well as having excellent structural rigidity, this coil is designed to minimize light output and maximize IR emission thereby increasing IR radiant efficiency.

Standard Products: 240 v, R7s termination and 10 mm diameter glass.


Technical information

 
Model Wattage Voltage Max. Coil Temp. Overall lenght Heated lenght
QTS 750W 240V 1450°C 224 mm 170 mm
QT 1700W 240V 1470°C 473 mm 415 mm
QTL 2000W 240V 1500°C 473 mm 415 mm

 

   Drawing QTS file

   

QHS QUARTZ HALOGEN SHORT
 
 		   Available Wattage: 750W

Size: 10 x 224mm

Short wave emitters standard features
 


Technical information

 
Model Wattage Voltage Max. Coil Temp. Overall lenght Heated lenght
QHS 750W 240V 2410°C 224 mm 170 mm
 

   Drawing QHS file

   

QHM QUARTZ HALOGEN MEDIUM
 
 		   Available Wattage: 1000W

Size: 10 x 277mm

Short wave emitters standard features

These heaters are filled with halogen gas to allow the supported tungsten filament to reach temperatures as high as 2600°C

With peak wavelength emissions of approximately 1 micron, they are extremely penetrative and allow rapid on/off cycles.

Standard Products: R7s termination and 10 mm diameter glass.


Technical information

 
Model Wattage Voltage Max. Coil Temp. Overall lenght Heated lenght
QTM 1000W 240V 2410°C 277 mm 225 mm

 

   Drawing QHM file

   

QHL QUARTZ HALOGEN LONG
 
 		   Available Wattage: 1500 - 2000W

Size: 10 x 473mm

Short wave emitters standard features

These heaters are filled with halogen gas to allow the supported tungsten filament to reach temperatures as high as 2600°C
With peak wavelength emissions of approximately 1 micron, they are extremely penetrative and allow rapid on/off cycles.

Standard Products: R7s termination and 10 mm diameter glass.


Technical information

 
Model Wattage Voltage Max. Coil Temp. Overall lenght Heated lenght
QTL 1500W 240V 1905°C 473 mm 415 mm
QT 1750W 240V 2205°C 473 mm 415 mm
QTL 2000W 240V 2250°C 473 mm 415 mm

 

   Drawing QHL file



 


 

REFLECTORS


Our polished stainles steel reflectors are expertly designed to enhance the efficiency of ceramic and quartz infrared emitters, maximizing heat output across various systems. Whether forming a bank of infrared panels or providing targeted heating for large or small spaces, these reflectors deliver superior performance.

Thanks to their innovative design, these reflectors outperform standard flat models, ensuring optimal heat distribution. Capable of withstanding temperatures up to 500°C without blackening or heat sink issues, they are built for durability and long-term efficiency in any infrared heating system.

RAS 0,5RAS 1RAS 2RAS 3RAS 4RAS 5
   

RAS 0.5 for heater element HTE
 
 		   The RAS 0.5, aluminium clad steel reflector is supplied without Infrared heaters

Dimensions: 160 x 100 x 60mm

Maximum Wattage: 500W

Designed to fiton  HTE and HFEH Ceramic Emitters. Its highly reflective casing enhances heat output, ensuring optimal performance.
The units can be mounted either individually or side by side to create IR panels.
 

   Drawing RAS 0,5 file

   

RAS 1 for heater element FTE
 
 		   The RAS 1, stainles steel reflector is supplied without Infrared heaters

We can supply elements fitted in the reflector.

Dimensions: 254 x 100 x 60 mm

Maximum Wattage: 100W

Designed to cater for FTE and FFEH Ceramic Emitters, this polished aluminium clad steel reflector features a highly reflective casing, to maximise heat output. The units can be mounted individually or side-by-side to form IR panels.
 
 

   Drawing RAS 1 file

   

RAS 2 for heater element FTE
 
 		   The RAS 2, stainles steel reflector is supplied without Infrared heaters

We can supply elements fitted in the reflector.

Dimensions: 505 x 100 x 60mm

Maximum Wattage: 2000W

Designed to cater for FTE and FFEH Ceramic Emitters, this polished aluminium clad steel reflector features a highly reflective casing, to maximise heat output. The units can be mounted individually or side-by-side to form IR panels
 
 

   Drawing RAS 2 file

   

RAS 3 for heater element FTE
 
 		   The RAS 3, stainles steel reflector is supplied without Infrared heaters

We can supply elements fitted in the reflector.

Dimensions: 754 x 100 x 60mm

Maximum Wattage: 3000W

Designed to cater for FTE and FFEH Ceramic Emitters, this polished aluminium clad steel reflector features a highly reflective casing, to maximise heat output. The units can be mounted individually or side-by-side to form IR panels.
 
 

   Drawing RAS 3 file

   

RAS 4 for heater element FTE
 
 		   The RAS 4, stainles steel reflector is supplied without Infrared heaters

We can supply elements fitted in the reflector.

Dimensions: 1004 x 100 x 60mm

Maximum Wattage: 4000W

Designed to cater for FTE and FFEH Ceramic Emitters, this polished aluminium clad steel reflector features a highly reflective casing, to maximise heat output. The units can be mounted individually or side-by-side to form IR panels.
 
 

   Drawing RAS 4 file

   

RAS 5 for heater element FTE
 
 		   The RAS 5, stainles steel reflector is supplied without Infrared heaters

We can supply elements fitted in the reflector.

Dimensions: 1254 x 100 x 60mm

Maximum Wattage: 5000W

Designed to cater for FTE and FFEH Ceramic Emitters, this polished aluminium clad steel reflector features a highly reflective casing, to maximise heat output. The units can be mounted individually or side-by-side to form IR panels.
 
 

   Drawing RAS 5 file



 

COMPLETE YOUR SET

THERMOCOUPLES
GM.90 
HOTRUNNER CONTROLLERS
Pulzon 
ACCESSORIES
GM.100 
TEMPERATURE CONTROLLERS
GM.110 
 
 
 

GRELCI MARAS d.o.o.

Address
Jevčeva pot 2
1351 Brezovica pri Ljubljani
Slovenija, EU

Phone
+ 386 (01) 365 3 518

E-mail
info@grelci-maras.si

ID za DDV
SI89018788

Matična številka
6090648000

TRR
SI56 0201 8025 9724 155
Nova Ljubljanska Banka d.d.


 

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