HFW1230L03M is an electromagnetic relay from the HFW series designed for reliable switching applications requiring military-grade performance. It features a 5.0 VDC nominal coil voltage with 27 ohms coil resistance and a must-operate voltage of 2.7 VDC, ensuring dependable actuation. The relay is rated for contact switching from low level to 2A at 28 VDC resistive with 100,000 operations life expectancy. Environmental specifications include an operating temperature range of -65°C to +125°C, vibration resistance of 10-3000 cps at 30 g's, and shock resistance of 100 g's. This relay meets ML-R-39016 Level H requirements, making it suitable for demanding aerospace, military, and high-reliability instrumentation applications.