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 of motors, transformers, coils, and electronic components. Its compact design, tested for shock and vibration, makes it suitable for demanding applications, including audio and video equipment compliant with EN 60065. Key benefits include small dimensions, robust construction, and availability in leadframe versions for easy integration.
Product Attributes
- Brand: Cantherm (Div. of Microtherm International Cooperation)
- Origin: Canada (Marking indicates country of manufacture)
- Certifications: VDE / ENEC, UL, cUL, CQC
- Compliance: EN 60065, EN 60730-1 / -2-9, UL C22.2 No. 77 / C22.2 No. 24, GB14536.1-1998 / GB14536.10-1996
- Testing: Shock and vibration tested (similar to EN 50155), Tested for audio, video applications
- Material: PPS housing options, Aluminium housing options
- Resistance: Tight against ordinary resins and lacquers
Technical Specifications
| Specification | Details |
|---|---|
| Models | F13A / E, F20A / E, F23A / E, F20B / G |
| Control Type | Normally Closed (nc), Normally Open (no) |
| Rated Current at 250 V (50/60 Hz, PF 0.95 / 0.6) | F13A: 2.0 A / 1.6 A F20A/E: 3.0 A / 2.5 A F23A/E: 3.0 A / 3.0 A F20B/G: 2.0 A / 1.6 A |
| Switching Cycles (under rated current) | F13A: 7,000 F20A/E: 10,000 F23A/E: 10,000 F20B/G: 7,000 |
| Max. Current under Failure Condition at 250 V (50/60 Hz, PF 0.95) | F13A: 4.0 A F20A/E: 5.0 A F23A/E: 4.0 A F20B/G: 4.0 A |
| Switching Cycles (under max. current) | 3,000 |
| Temperature Rating (Ta, steps in 5 K) | F13A: 70 C ... 190 C F20A/E, F23A/E, F20B/G: 70 C ... 185 C |
| Temperature Tolerance (standard) | 5 K |
| 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 |
| Degrees of Protection (by enclosures, EN 60529) | IP00 |
| Protection Category | I, II |
| Contact Resistance (incl. 100 mm wire) | < 50 m |
| Max. Operating Voltage | 300 V, 600 V (depending on lead wire type) |
| Lead Wire Options (Examples) | UL style 3266/3398 (black, 150C, 300V, AWG24/0.24mm) UL style 10086 (black, 200C, 600V, AWG24/0.25mm) UL style 3266/3398 (black, 150C, 300V, AWG20/0.81mm) UL style 1180 (white, 200C, 300V, AWG24/0.51mm) UL style 1180 (white, 200C, 300V, AWG20/0.81mm) |
| Standard Wire Length | 100 10 mm (stripped 6 1 mm) |
| Dimensions | Refer to illustration drawings (e.g., F13 A, F20, F23 A/B) |
| Insulation Options | None | 0 (not insulated), Potted, Coated, Shrink Cap, Cap of PPS |
| Housing Options | PPS, Aluminium (M4x6 thread, Ta max. 150 C) |
| Leadframe Grid Dimension | 5.08 mm |
| Marking Example | F20A 120 05 L310 100 U254 (Type, Response Temp, Tolerance, Wire, Length, Insulation) |
| Ordering Example | F20A12005ACFA06E (Type, Temp, Tolerance, Wire, Lead Length, Color, Insulation, Housing) |
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