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HPR Solid State Relay - 25 AMP - Single Pole - AC Control w/ Heatsink

SKU: HPR48A25 H

Price: $70.49

The industrial, 1-phase relay with anti-parallel thyristor output is the most widely used industrial SSR due to its multiple application possibilities. The relay can be used for resistive, inductive and capacitive loads. The zero-switching relay switches ON when the sinusoidal curve crosses zero and switches OFF when the current crosses zero. The instant-on relay with DC control input can be used for phase control. The built-in varistor secures transient protection for the heavy industrial applications, and the LED indicates the status of the control input. The clip-on cover is securing touch protection to IP 20. Protected output terminals can handle cables up to 16mm².

PDF Data Sheet

Manufacturer: MDI Relays & Switches

Weight: 1.5 lb

Delivery: 1 - 6 weeks

  • Competitor Crosses:
    • Carlo Gavazzi:
      • RM1A23A25
      • RM1A48A25
  • Input Ranges:
    • 20 - 280 VAC
    • 22 - 48 VDC
  • Operational ratings:
    • AC51: 25 Arms & 480 VAC
    • AC53a: 5 Arms & 480 VAC
  • Motor Ratings:
    • 230 VAC: 1.5HP
    • 400 VAC 3HP
    • 480 VAC: 3HP
  • Non-repetitive voltage: 1200 Vp
  • Opto-insulation: > 4000 VACrms
  • Line & Load accepts: 10-14 AWG
  • Includes:
    • Zero switching AC SSR
    • Direct copper bonding (DCB) technology
    • LED indication
    • Built-in varistor 480V
    • Clip-on IP 20 protection cover
    • Self-lifting terminals
    • Housing free of molding mass
  • Fusing / Short Circuit Protection
    • Co-ordinationType 1 (UL508): Suitable For Use On A Circuit Capable Of Delivering Not More Than 100,000 A rms Symmetrical Amperes, 600 Volts Maximum when Protected by Class J Fuses. Use Fuses Only. Tests with Class J fuses are representative of class CC fuses
      • Max. 30A, 600 VAC
      • Class J or Class CC
  • Co-ordination Type 2: Semiconductor fuses
    • Ferraz Shawmut (Mersen)
    • 6.9 gRB 10-25
    • 10.3 x 38

MDI Inc. Our Company!

Mercury Displacement Industries Incorporated, better known in the industry we serve as MDI, was incorporated in Michigan in 1975. The primary product line is switch gear components including mercury type contactors, tilt switches and liquid level float controls.
Contactors are rated from 30 to 100 Amperes and are commonly used in various heating, lighting, and many other industrial applications including high voltage ultraviolet type loads. The contacts are encased in hermetically sealed stainless steel tubes to provide reliable switching for millions of operations. All basic units are UL, CSA, and CE approved.
The liquid level control floats are manufactured with mechanical or mercury switches. The float material is High Impact Polystyrene for normal alarm, sump pump or water applications, For sewage, 1 or 2 H.P. or high temperature, 86°C (186°F) requirements Acrylonitrile Butadiene Styrene, (ABS) float material is provided.
MDI has 40 to 50 employees and markets products through distributors, representatives or direct to OEM accounts throughout the world.

MDI Quality Policy
It is the policy of MDI to manufacture and market products of excellent quality, durability and reliability. This policy emphasizes the importance of product reputation and customer satisfaction in the success of our business. The MDI Team is committed without exception to the continuous improvement in quality and cost, and to manufacturing productivity and efficiency.

Since 1975
MDI Quality - Durability - Reliability

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