Nabertherm L 40/11 Laboratory Muffle Furnace – 40 Liters, 1100 °C
€6.900,00 excl. VAT
The Nabertherm L 40/11 is a high-capacity laboratory muffle furnace designed for large-scale thermal applications. Its 40-liter chamber and internal dimensions of 320 × 490 × 250 mm allow for bulk sample processing with reliable temperature uniformity up to 1100 °C. The unit reaches its working temperature in approximately 80 minutes and runs on 3-phase power. This model is ideal for research labs, materials testing facilities, and production environments requiring both performance and volume.
Large-Capacity Muffle Furnace for Laboratory Use – Nabertherm L 40/11
The Nabertherm L 40/11 is a heavy-duty laboratory muffle furnace built for high-volume sample processing at temperatures up to 1100 °C. With a generous 40-liter chamber, it is an ideal choice for laboratories and industrial environments where throughput and reliability are critical.
This unit features a chamber size of 320 × 490 × 250 mm and provides excellent temperature uniformity, making it suitable for heat treatment, sintering, and ashing of larger batches. The furnace heats to operating temperature in approx. 80 minutes and is powered by a robust 6.5 kW 3-phase connection. It is engineered to handle intensive daily use with precision and stability.
Key Specifications:
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Max. temperature: 1100 °C
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Chamber volume: 40 liters
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Internal dimensions: 320 × 490 × 250 mm
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External dimensions: 530 × 705 × 580 mm (+320 mm stack)
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Temperature uniformity (±5 K): 270 × 400 × 200 mm
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Heat-up time to Tmax – 100 K: approx. 80 minutes
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Connected load: 6.5 kW
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Electrical connection: 3-phase
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Weight: 70 kg
Warranty: 1 year
Lead time: 2 weeks
Specifications L 40/11 Muffle Oven
| Specification | Value |
|---|---|
| Model | L 40/11 |
| Max. temperature | 1100 °C |
| Chamber volume | 40 liters |
| Inner dimensions (W×D×H) | 320 × 490 × 250 mm |
| Outer dimensions (W×D×H) | 530 × 705 × 580 mm (+320 mm stack) |
| Temperature uniformity (±5 K) | 270 × 400 × 200 mm |
| Heat-up time to Tmax | Approx. 80 minutes |
| Connected load | 6.5 kW |
| Electrical connection | 3-phase |
| Weight | 70 kg |
Options Nabertherm L 40/11 Muffle Oven
- Lift door for safe opening at high temperatures without additional price (LT version)
- Chimney
- Chimney with fan
- Chimney with fan and catalytic converter
- Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load
- Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight
- Manual or automatic gas supply system
- Port for thermocouple in the rear wall or in the furnace door
- Charging rack with closed or perforated trays for loading the furnace in two levels incl. holder for inserting/removing the trays up to a max. temperature of 800 °C and a max. loading weight per layer of 2 kg for the L(T) 9/11 respectively 3 kg for the L(T) 15/11 respectively 3,5 kg for the L(T) 24/11 and L(T) 40/11
- Ceramic ribbed plate
- Ceramic collecting pan
- Stainless steel collecting pan
- Hear resistant gloves
- Charging tongs