Main applications: liquid heating, hot water circuits, containers and buffer tanks.
These immersion heaters are the smallest with connection box and 3 heating elements. 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: 1 kW – 1,5 kW – 2 kW – 3 kW – 4 kW.
– 3 types of standard fittings: 1″1/4, 1″1/2 and M45x2.
– 2 types of surface load density: 5W/cm² and 10W/cm². See technical introduction to optimize the surface load.
Heater tube material: 3 heating elements dia. 8mm dia. AISI 304 or Incolloy 800 (AISI 316; AISI 321; Incolloy 825 on request).
Fitting material: Brass, not 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″1/4, 1″1/2 BSPP (ISO 228) and Metric thread M45x2.
Enclosure: dia. 58mm x 75 mm, black PA66 fiber glass reinforced, with gasket. Opening by center M4 screw without access to end user.
Ingress protection class: IP54.
Cable gland: M20, PA66. Nickel-plated brass on request.
Thermowell: On request.
Heating element connections: Terminals with stainless steel screw, nut and stainless steel washer. Switching straps for single phase/ 3 phases.
Heating elements are connected on a built-in 5 ways connection block, for wires up to 2.5mm².
Support grid: 1 grid AISI 304 for lengths from 400 to 600mm, 2 grids above.
Not heating immersed zone: 50mm.
Surface load: standard 5 W/cm² or 10 W/cm², other values on request.
Voltage: 220-240V single phase or three phase 380-400V (Star connection with neutral).
Variants on request:
– Only one or only 2 heating elements.
– M45x2 brass fitting.
5W/cm², 1″1/2* brass fitting
|Reference in AISI 304||9ST2A5E0010U8170||9ST2A5E0015U8240||9ST2A5E0020U8300||9ST2A5E0030U8440||9ST2A5E0040U8570|
|Reference in Incolloy 800||9ST2A5E0010UK170||9ST2A5E0015UK240||9ST2A5E0020UK300||9ST2A5E0030UK440||9ST2A5E0040UK570|
10W/cm², 1″1/2* brass fitting
|Reference in AISI 304||9ST2A5E0010BK130||9ST2A5E0015U8130||9ST2A5E0020U8170||9ST2A5E0030U8240||9ST2A5E0040U8300|
|Reference in Incolloy 800||9ST2A5E0010BK130||9ST2A5E0015UK130||9ST2A5E0020UK170||9ST2A5E0030UK240||9ST2A5E0040UK300|
* 1″1/4 brass fitting instead of 1″1/2, replace A5 by A4 in the reference. M45x2 brass fitting instead of 1″1/2, replace A5 by A9 in the reference.
** This model has only 2 heating elements.
References of accessories in option (not included in the product, must be ordered separately):
Other accessories and drawings: see last section of this catalogue.