LVR055 PTC Resettable Fuse 240V 550mA Through Hole
LVR055 240 VAC PTC resettable fuse, 550 mA hold, through-hole PPTC device for reliable overcurrent protection in motors, transformers and appliances.
11.00 EGP
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The PolySwitch line-voltage-rated (LVR) devices help protect electric motors and transformers used in commercial and home appliances from damage caused by mechanical overloads, overheating, stall, lost neutral and other potentially harmful conditions. The LVR line-voltage product line of polymeric positive temperature coefficient (PPTC) devices includes components that are rated for line voltages of 120VAC, VDC and 240VAC, VDC for up to 2A of operating current at 20°C. They help protect against damage caused by both overcurrent surges and overtemperature faults.
Features
- Current rating of 550mA
- Line voltage rating 240VAC, VDC
- Fast time-to-trip
- Low resistance
Electrical Specifications (at 25 °C)
| Parameter | Specification |
|---|---|
| Hold Current (IH) | 0.55 A |
| Trip Current (IT) | 1.25 A |
| Max. Operating Voltage (VMAX) | 240 VAC |
| Max. Interrupt Voltage | 265 VAC |
| Max. Interrupt Current (IMAX) | 7.0 A |
| Typical Power Dissipation (PD) | 3.4 W |
| Maximum Time-to-Trip | 26 s |
| Resistance, RMIN | 0.45 Ω |
| Resistance, RMAX | 0.73 Ω |
| Resistance, R1MAX | 1.45 Ω (1 hr post-trip) |
| Lead Size | 0.81 mm² (20 AWG) |
Physical & Environmental Specifications
| Parameter | Specification |
|---|---|
| Lead Material | Tin-plated copper, AWG 20, Ø 0.81 mm |
| Insulating Material | Cured, flame-retardant epoxy polymer (UL 94V-0) |
| Solderability | ANSI/J-STD-002 Category 3; withstands 10 s at 260 °C ± 5 °C |
Dimensions (LVR055)
| Parameter | Value |
|---|---|
| (A) | 13.6 mm |
| (B) | 22 mm |
| (C) | 5.8 mm |
| (D) | 6 mm |
| (E) | 2.6 mm |
Applications
- Electromagnetic loads
- Game machines
- Industrial controls
- Lighting ballasts
- Loudspeakers
- Medical equipment
- Motors, fans and blowers
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