Product Description

The D-UK 4/10-BLUE is an end cover accessory from Phoenix Contact, designed to provide secure termination for DIN rail terminal blocks in electrical installations. This end cover ensures the safety and reliability of electrical connections by effectively closing off unused terminal positions, preventing accidental contact and ingress of foreign materials. Its compact dimensions and durable construction make it a suitable choice for a wide range of applications requiring secure and organized electrical terminations.

Technical Specifications

• Product Type: End Cover
• Color: Blue
• Material: Polyamide (PA 6.6)
• Flammability Rating: UL 94 V0
• Width: 1.8 mm
• Height: 42.5 mm
• Depth: 35.9 mm
• Operating Temperature Range: -60 °C to 110 °C
• Storage/Transport Temperature Range: -25 °C to 60 °C (short-term exposure up to 70 °C)
• Assembly Temperature Range: -5 °C to 70 °C
• Actuation Temperature Range: -5 °C to 70 °C
• Relative Humidity (Operation): 20% to 90%
• Relative Humidity (Storage/Transport): 30% to 70%
• Insulation Material Temperature Index: 125 °C (DIN EN 60216-1)
• Relative Insulation Material Temperature Index: 130 °C (UL 746 B)
• Fire Protection Rating (Rail Vehicles): DIN EN 45545-2 R22, R23, R24, R26 HL 1 to HL 3
• Calorimetric Heat Release: 27.5 MJ/kg (ASTM E 1354)
• Surface Flammability: Passed (NFPA 130, ASTM E 162)
• Smoke Density: Passed (NFPA 130, ASTM E 662)
• Smoke Gas Toxicity: Passed (NFPA 130, SMP 800C)