MIOTTI Anti-Condensation Heater SCSS03.0350.LB500, 350 mm, 220 V AC, 30 W, 500 mm leads, for motors and generators
Product code: MB-0466
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Product description
MIOTTI Heater SCSS03.0350.LB500 is an anti-condensation heater that provides low-cost protection against moisture buildup and condensation inside electrical machines. It is recommended for motors, generators and alternators operating in high-humidity environments (e.g., offshore, marine equipment, cranes, well pumps, tropical conditions). This version is 350 mm long, rated for 220 V AC and delivers 30 W.
Advantages and unique features
- Helps reduce condensation risk in electrical equipment operating in humid conditions.
- Built with 5 separate heating filaments for stable operation and even heating.
- Protective silicone rubber layer and a fiberglass sleeve.
- Suitable for class F and H applications and for machines exposed to vibration or shock.
- Wide operating temperature range: -60°C to +200°C.
Properties and applications
- Application: helps protect the inside of rotating electrical machines against moisture in high-humidity environments.
- Installation: applied around the base of the winding heads before impregnation.
- Installation rules: cover at least three quarters of the circumference; if the heater is longer than the head circumference, do not overlap it—leave at least a 5 mm gap to prevent localized overheating.
- Voltage check: verify the heater’s nominal voltage matches the power supply voltage before installation.
Technical parameters
| Parameter | Value |
|---|---|
| Product type | Anti-condensation heater (Anti-Condensation Heater) |
| Model / code | SCSS03.0350.LB500 |
| Heater length | 350 mm |
| Nominal voltage | 220 V AC |
| Power | 30 W (±10%) |
| Lead wire length | 500 mm |
| Suggested motor frame | 80–90 (L) – long stator |
| Temperature range | -60°C to +200°C |
| Dielectric strength | 2.5 kV / 10 s |
| Cables | FEP UL 1330 AWG 20 (200°C, 600 V) |
| Construction | 5 heating filaments; protective silicone rubber layer; fiberglass sleeve; finished with fiberglass tape |
| UL file number | E491086 |
Storage recommendations
The provided document does not specify detailed storage conditions. To maintain quality, store the heater in its original packaging, in a dry place, away from moisture, heat sources and direct UV exposure. Avoid bending or mechanical damage to the lead wires and fiberglass sleeve.
FAQ
1) What is the SCSS03.0350.LB500 anti-condensation heater used for?
It helps reduce condensation and moisture inside electrical machines (e.g., motors, generators, alternators) operating in humid environments.
2) What are the rated voltage and power?
This is the 220 V AC version with 30 W output (±10%).
3) Where is the heater installed in a motor?
Around the base of the winding heads before impregnation, covering at least three quarters of the circumference.
4) Can the heater overlap if it is longer than the circumference?
No. Leave at least a 5 mm gap to prevent localized overheating.
5) What is the operating temperature range?
From -60°C to +200°C.
Product safety
Manufacturer
Miotti srl
Viale del Lavoro 22
36100 Vicenza, Italy
Responsible person in the EU
Miotti srl
Viale del Lavoro 22
36100 Vicenza, Italy
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