Home / Heating equipment / Type: 9ST1. Immersion heaters with 48x48x50mm PA66 connection box and 1″BSPP thread
Main applications: liquid heating, hot water circuits, containers and buffer tanks.
It has 2 heating elements dia. 8mm, 230V, connected in parallel. Serial connection of these elements allows using them in 115V.
These immersion heaters are the smallest with a connection box.
They have been designed with a built-in connection block for easier wiring. Their small size does not allow having a thermostat inside.
They exist in:
-5 standard power levels: 500W; 1kW; 1.5 kW; 2kW; 3kW.
-2 types of surface load density: 5W/cm² and 10W/cm². See technical introduction to optimize the surface load.
Heater tube material: 8mm dia. AISI 304 or Incolloy 800 (AISI 316; AISI 321; Incolloy 825 on request).
Fitting material: brass, non-swiveling, brazed on tubes. (AISI 304 or AISI 316, TIG welded or brazed models are available on request). Supplied without gasket and without nut. See accessories below.
Thread: 1″ BSPP (ISO 228).
Enclosure: 48 x 48 x 50 mm, black PA66 fiber glass reinforced.
Ingress protection class: IP54.
Cable gland: PG11, PA66. Nickel-plated brass on request.
Thermowell: not available on these types.
Heating elements connections: Built-in plastic connection block, 3 screw terminals, 2.5mm².
Not heating immersed zone: 50mm.
Surface load: standard 5 W/cm² or 10 W/cm², others values on request.
Voltage: 220-240V single phase (parallel wiring) or 115V (serial wiring).
Option: Only one heating element.
Main references
5W/cm² | 10W/cm² | |||||
Power | 500w | 1kW | 1.5kW | 1kW | 2kW | 3kW |
Length (mm) | 135 | 240 | 340 | 135 | 240 | 340 |
AISI 304 Reference | 9ST1A310005B8130 | 9ST1A310010B8240 | 9ST1A310015B8340 | 9ST1A310010B8130 | 9ST1A310020B8240 | 9ST1A310030B8340 |
Incolloy 800 reference | 9ST1A310005BK130 | 9ST1A310010BK240 | 9ST1A310015BK340 | 9ST1A310010BK130 | 9ST1A310020BK240 | 9ST1A310030BK340 |
References of accessories in option (not included in the product, must be ordered separately):
Other accessories and drawings: see last section of this catalogue.