Product Overview
This product is a thermal motor protector, also known as a temperature limiter or thermal cut-out. It is designed to protect motors, transformers, coils, and electronic components like sensors from overheating. Key benefits include its small dimensions, shock and vibration resistance, and suitability for audio and video applications tested according to EN 60065. It is available in normally closed (NC) and normally open (NO) configurations, with various current ratings and switching cycle capabilities. The device is tested for shock and vibration similar to EN 50155 and offers resistance to impregnation with ordinary resins and lacquers.
Product Attributes
- Brand: Cantherm
- Div. of: Microtherm International Cooperation
- Certifications: VDE / ENEC, UL, cUL, CQC
- Approvals: EN 60730-1 / -2-9, UL File Number E46827, C22.2 No. 77 / C22.2 No. 24, GB14536.1-1998 / GB14536.10-1996
- Protection Category: I, II
Technical Specifications
| Specification | Details |
|---|---|
| Standard Wire Length | 100 10 mm (stripped 6 1 mm) |
| Control Type | Normally Closed (NC) / Normally Open (NO) |
| Models & Ratings (Rated Current at 250 V 50/60 Hz, PF 0.95 / 0.6) |
|
| Switching Cycles (under rated current) |
|
| Max. Current (under failure condition at 250 V 50/60 Hz, PF 0.95) |
|
| Switching Cycles (under max. current) | 3,000 |
| Temperature Rating (Ta) |
|
| Temperature Tolerance | Standard: 5 K |
| Automatic Action Feature | 1.B, 2.B.M, 1.C (for F13A) / 2.B, 1.C (for F20, F23 A/B) |
| Contact Resistance (incl. 100 mm wire) | < 50 m |
| Hysteresis | 30 K 15 K |
| Dielectric Strength (standard insulation) | 2 kV |
| Shock / Vibration Testing | 400 m/s sine half wave / 100 m/s 5 Hz ... 2,000 Hz sine (similar to EN 50155) |
| Resistances to Impregnation | Tight against ordinary resins and lacquers |
| Degrees of Protection (provided by enclosures, EN 60529) | IP00 |
| Suitable for use in protection category | I, II |
| Cantherm Lead Options (examples) |
|
| Insulation Options | None / Not insulated, Potted, Coated, Shrink cap, Cap of PPS |
| Housing Options | PPS, Aluminum housing with thread M4x6 |
| Leadframe Options | Grid dimension 5.08 mm |
| Marking Example | F20A 120 05 L310 100 U254 (Type, Response Temp, Tolerance, Lead Option, Lead Length, Insulation) |
| Ordering Example | [F20A12005ACFA06E] |
2411041558_Cantherm-F20B095051ZA0060_C17655583.pdf
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