Professional IC Distribution & Technical Solutions

The QTC H11A550 is a high-performance automotive relay designed for various electrical applications. Below are the factual specifications, descriptions, and features:

Specifications:

• Manufacturer: QTC
• Part Number: H11A550
• Type: Automotive Relay
• Contact Configuration: SPDT (Single Pole Double Throw)
• Contact Rating:
• Normally Open (NO): 30A
• Normally Closed (NC): 20A
• Coil Voltage: 12V DC
• Coil Resistance: 80Ω ±10%
• Operating Temperature Range: -40°C to +85°C
• Dielectric Strength: 500V AC (1 minute)
• Insulation Resistance: 100MΩ min (500V DC)
• Mechanical Life: 1,000,000 operations
• Electrical Life: 100,000 operations (at rated load)

Description:

The QTC H11A550 is a compact, high-current automotive relay used for switching electrical circuits in vehicles. It features a durable plastic housing with a metal base for heat dissipation and secure mounting. The relay is commonly used in headlights, fog lights, fuel pumps, and other high-power automotive applications.

Features:

• High Current Capacity: Supports up to 30A switching.
• Reliable Performance: Long mechanical and electrical lifespan.
• Compact Design: Space-saving for easy installation.
• Durable Construction: Resistant to vibration and temperature extremes.
• Standard Pin Configuration: Compatible with standard automotive relay sockets.

This relay is widely used in automotive and industrial applications where reliable high-current switching is required.