Product Overview
The Cantherm Thermal Motor Protector, also known as a Temperature Limiter or Thermal Cut-out, is designed for reliable overcurrent and overtemperature protection in various applications. It is particularly suited for motors, transformers, coils, and electronic components like sensors. Key benefits include its small dimensions, robust design tested for shock and vibration, and suitability for audio/video applications according to EN 60065. The protector is available in normally closed (NC) and normally open (NO) configurations, offering a range of current and temperature ratings to meet diverse protection needs.
Product Attributes
- Brand: Cantherm (Div. of Microtherm International Cooperation)
- Origin: Canada (Marking example: C=Canada)
- Certifications: VDE / ENEC, UL, cUL, CQC
- Tested For: Shock and vibration (similar to EN 50155), audio/video applications (EN 60065)
- Resistance: Tight against ordinary resins and lacquers
- Degrees of Protection: IP00 (provided by enclosures)
- Protection Category: I, II
Technical Specifications
| Feature/Model | F13A / E | F20A / E | F23A / E | F20B / G |
|---|---|---|---|---|
| Control Type | Normally Closed | Normally Closed | Normally Closed | Normally Open |
| Rated Current at 250 V 50/60 Hz (PF 0.95 / 0.6) | 2.0 A / 1.6 A | 3.0 A / 2.5 A | 3.0 A / 3.0 A | 2.0 A / 1.6 A |
| Switching Cycles (Rated Current) | 7,000 | 10,000 | 10,000 | 7,000 |
| Max. Current under Failure Condition at 250 V 50/60 Hz (PF 0.95) | 4.0 A | 5.0 A | 4.0 A | - |
| Switching Cycles (Max. Current) | 3,000 | - | - | - |
| Temperature Rating Ta (steps in 5 K) | 70 C ... 190 C | 70 C ... 185 C | 70 C ... 185 C | 70 C ... 190 C |
| Tolerance (Standard) | 5 K | 5 K | 5 K | 5 K |
| Hysteresis | 30 K 15 K | 30 K 15 K | 30 K 15 K | 30 K 15 K |
| Contact Resistance (incl. 100 mm wire) | < 50 m | < 50 m | < 50 m | < 50 m |
| Dielectric Strength (Standard Insulation) | 2 kV | 2 kV | 2 kV | 2 kV |
| Shock / Vibration Testing | 400 m/s sine half wave / 100 m/s 5 Hz ... 2,000 Hz sine | 400 m/s sine half wave / 100 m/s 5 Hz ... 2,000 Hz sine | 400 m/s sine half wave / 100 m/s 5 Hz ... 2,000 Hz sine | 400 m/s sine half wave / 100 m/s 5 Hz ... 2,000 Hz sine |
| Approvals | VDE / ENEC, UL, cUL, CQC | VDE / ENEC, UL, cUL, CQC | VDE / ENEC, UL, cUL, CQC | VDE / ENEC, UL, cUL, CQC |
| UL File Number | E46827 | E46827 | E46827 | E46827 |
| UL Standard | C22.2 No. 77 / C22.2 No. 24 | C22.2 No. 77 / C22.2 No. 24 | C22.2 No. 77 / C22.2 No. 24 | C22.2 No. 77 / C22.2 No. 24 |
| CQC Standard | GB14536.1-1998 / GB14536.10-1996 | GB14536.1-1998 / GB14536.10-1996 | GB14536.1-1998 / GB14536.10-1996 | GB14536.1-1998 / GB14536.10-1996 |
| EN 60730-1 / -2-9 | Yes | Yes | Yes | Yes |
| Feature of Automatic Action | 1.B, 2.B.M, 1.C | 2.B, 1.C | 2.B, 1.C | 2.B, 1.C |
Additional Technical Data (Cantherm Lead Options)
| Cantherm Code | UL Style | Max. Operating Voltage | Max. Diameter | Insulation Cross Section | Color | Temperature |
|---|---|---|---|---|---|---|
| ACFA | 3266/3398 | 300 V | 1.57 mm | AWG24 / 0.24 mm | Black | 150 C |
| AEFC | - | - | 1.80 mm | AWG20 / 0.48 mm | Yellow | - |
| KCFA | 10086 | 600 V | 1.2 mm | AWG24 / 0.25 mm | Black | 200 C |
| KEFA | 3266/3398 | 300 V | 1.6 mm | AWG20 / 0.50 mm | Black | 150 C |
| ASFA | - | 300 V | 1.65 mm | AWG20 / 0.81 mm | Black | 150 C |
| DCFB | 1180 | 300 V | 1.21 mm | AWG24 / 0.51 mm | White | 200 C |
| DEFB | - | 300 V | 1.51 mm | AWG20 / 0.81 mm | White | 200 C |
Additional Information
- Standard wire length: 100 10 mm, stripped 6 1 mm.
- Additional wires available upon request.
- Specific variations available on request.
- Marking example: F20A (Type), 120 (Response Temp C), 05 (Tolerance 5K), L310 (Wire/Insulation Code), 100 (Wire Length mm), U254 (Housing/Insulation Code).
- Ordering example: [F20A12005ACFA06E]
2411041558_Cantherm-F20A150053600060_C17580603.pdf
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