| Code | Power | Combination | Voltage | Lg |
| BT53S090209 | 9000W | 9x1000W | 230/400V | 250mm |
| BT53S112209 | 11250W | 9x1250W | 230/400V | 300mm |
| BT53S135209 | 13500W | 9x1500W | 230/400V | 360mm |
| BT53S157209 | 15750W | 9x1750W | 230/400V | 400mm |
| BT53S180209 | 18000W | 9x2000W | 230/400V | 450mm |
| BT53S225209 | 22500W | 9x2500W | 230/400V | 540mm |
| BT53S270209 | 27000W | 9x3000W | 230/400V | 635mm |
BT 530 – 9 elements – 300x300mm housing
Nine elements, with 300mm x 300mm housing for installation into steel ducts.
Heating elements
Sheath: AISI 321, Ø10mm
Finning: AISI 430, Ø28mm helical fins
Voltage: 230 V/400 V
Power density: 8 W/cm2
Terminals: M15 zinc-plated clamping sleeves
Minimum air speed: 2m/s at 40°C max
Housing
15/10mm Stainless Steel Housing, beige colour epoxy painted
IP557 Ingress Protection
Polyamide glands for power cables
Ground screw
Safety
Manual reset safety thermostat (max 10A)
Fixed set point at 100°C (0/-16°C), 250V
Note: the bulb must be installed on the cold air side
Electrical connections
Standard “”Elntrelec”” terminals on DIN rail, cross-section according to power