Miotti Anti-Condensation Heater SCSS03.0686.SB500, 686 mm, 220 V AC, 30 W, 500 mm leads, for motors and generators
Product code: MB-0456
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Product description
Miotti Heater SCSS03.0686.SB500 is an anti-condensation heater designed to protect the inside of electrical machines against moisture and condensation. It is recommended for motors, generators and alternators operating in high-humidity conditions (e.g., offshore, marine environments, cranes, well pumps, tropical climates). This version is 686 mm long, rated for 220 V AC and delivers 30 W.
Advantages and unique features
- Helps reduce condensation risk and supports winding and insulation protection in electrical machines.
- 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 reduce moisture and condensation inside rotating electrical machines in humid 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 |
| Model / code | SCSS03.0686.SB500 |
| Heater length | 686 mm |
| Nominal voltage | 220 V AC |
| Power | 30 W (±10%) |
| Lead wire length | 500 mm |
| Suggested motor frame | 160 |
| 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 product 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 SCSS03.0686.SB500 anti-condensation heater used for?
It helps reduce condensation and moisture inside electrical machines (e.g., motors, generators and 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) Can the heater overlap if it is longer than the circumference?
No. Leave at least a 5 mm gap to prevent localized overheating.
4) What is the operating temperature range?
From -60°C to +200°C.
5) Which motor frame size is suggested for this variant?
Suggested motor frame size: 160.
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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