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SLEL401250 - Power Relay 35A 277VAC (Single-Pole)

United Fuses
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SLEL401250 is a high-performance power relay engineered for reliable switching and load control in demanding industrial applications. This single-pole relay is rated for a 35A resistive load at 277VAC, with a maximum switching current of 40A and a maximum switching power of 9,695VA, utilizing a silver alloy contact material for low contact resistance and durability. The component weighs 5.19 lb and features an operate time of 18ms max and a release time of 15ms max without a diode, along with an insulation resistance of at least 1,000MΩ at 500VDC and dielectric strength of 2,500VAC between contacts and 4,000VAC between coil and contact. It is designed for mechanical endurance of 5 million cycles and operates reliably across a temperature range of -40°C to +85°C, with UL and C-UL certifications pending. Typical applications include industrial control panels, HVAC systems, and power distribution equipment requiring robust switching capabilities.

Key Features & Specifications
  • Weight: 5.19 lb
  • Amperage: 35A resistive load
  • Voltage: 277VAC max switching voltage
  • Poles: 1 pole
  • Contact Material: Silver alloy
  • Operate Time: 18ms max (no diode)
  • Release Time: 15ms max (no diode)
  • Max Switching Current: 40A
  • Max Switching Power: 9,695VA
  • Insulation Resistance: Min 1,000MΩ at 500VDC
  • Dielectric Strength: 2,500VAC contacts, 4,000VAC coil-contact
  • Mechanical Endurance: 5,000,000 cycles
  • Operating Temperature: -40°C to +85°C
  • Certifications: UL, C-UL pending