Temperature Sensor Switch for Transformer 17AM Thermostat
17AMH Thermal Protector Overview
The 17AMH is an excess-current thermal protector featuring compact design and quick, accurate action. Available with various lead configurations to meet customer requirements.
Technical Specifications
Electrical Rating: AC-125V 15A; AC-250V 10A; DC-16V 20A
Contact Life Cycles: AC-125V 15A, AC-250V 10A: >10,000 cycles; AC-125V 5A: >100,000 cycles
Operating Temperature: 50-180°C
Temperature Tolerance: ±2°C, ±3°C, ±5°C
Reset Temperature: 10-45°C below trip temperature
Working Times: Over 10,000 cycles
Temperature Coding System
| Code | Temperature (°C) | Code | Temperature (°C) |
| 018 | 55°C | 032 | 125°C |
| 019 | 60°C | 033 | 130°C |
| 020 | 65°C | 034 | 135°C |
| 021 | 70°C | 035 | 140°C |
| 022 | 75°C | 036 | 145°C |
| 023 | 80°C | 037 | 150°C |
| 024 | 85°C | 038 | 155°C |
| 025 | 90°C | 039 | 160°C |
| 026 | 95°C | 040 | 165°C |
| 027 | 100°C | 041 | 170°C |
| 028 | 105°C | 042 | 175°C |
| 029 | 110°C | 043 | 180°C |
| 030 | 115°C | | |
| 031 | 120°C | | |
Applications
Suitable for motors, fluorescent lamp commutators, transformers, laminators, lighting systems, cover sealing machines, and various household appliances.
Certified with UL, CQC, VDE and RoHS approvals. Compatible replacement for KLIXON 17AM thermal protectors.
BH Series Miniature Thermal Protectors
BH series protectors offer over-current and over-temperature protection with sealed construction, low internal resistance, silent operation, and automatic reset functionality.
BH Series Specifications
| Parameter | Specification |
| Electrical Rating | DC-12V max 12A; DC-24V max 10A; AC-125V max 8A; AC-250V max 16A |
| Open Temperature | (30-150)±5°C; 5°C steps |
| Reset Temperature | 2/3 of action temperature ±15°C |
| Life Cycles | 10,000 cycles |
| Size | L15mm × W7.1mm × H3.8mm |
| Lead Wire | #22 3266, 70mm length (customizable) |
| Certifications | UL E487478, CQC16002142880, TUV B160592241002 |
BH Series Dimensions
| Model | Case | Dimensions (mm) | Voltage & Current | Lead Wire |
| H20 | Plastic | 18.5×8×4 | DC-12V 12A; DC-24V 10A; AC-125V 8A; AC-250V 10A | #20 3135, 70mm |
| H21 | Metal | 18.5×7.3×3.8 | Same as H20 | #20 3135, 70mm |
| H21 | Metal | 20×8×4 | AC250V 20A | #16 3135 |
| BH-A1D | Metal | 15×6.6×3.2 | DC-12V 12A; DC-24V 10A; AC-125V 8A; AC-250V | #20/#22 options |
| BH-B2D | Plastic | 15×7.1×3.8 | Same as BH-A1D | #20/#22 options |
| BH-TB02B-B8D | Plastic | 15×5.2×2.4 | DC-12V 4A; DC-24V 3A; AC-125V 3A; AC-250V 2A | AWG24# options |
Applications
BH series thermal protectors are widely used in 1.5HP motors, lighting devices, inverter welding machines, switch power supplies, rechargeable battery packs, fluorescent lamp ballasts, portable power tools, and various electrical equipment.
All products feature UL, CQC, TUV and RoHS certification approvals for quality assurance and regulatory compliance.