ASD3K20N-RRC Equivalent & Substitute Parts

Part Overview

The ASD3K20N-RRC is a keylock switch manufactured by IDEC, featuring a 3-position DPST-NO configuration rated for 10A AC at 110V and 8A DC at 24V. This component is designed for panel-mounted applications requiring secure key-operated switching with IP54 environmental protection. The part is currently listed as obsolete, making identification of compatible substitutes essential for maintenance, repair, and legacy system support.

Substiute Parts

ASD3K20N-RRC
IDECIn Stock: 1010ASD3K20N-RRC Datasheet
ASD3K20N-RRC
Current Part
ASD3K20NU-RRC
IDECIn Stock: 787ASD3K20NU-RRC Datasheet
ASD3K20NU-RRC
Direct

Key Parameters

Parameter Value
Manufacturer Part Number ASD3K20N-RRC
Manufacturer IDEC
Series TWTD
Circuit Configuration DPST-NO
Number of Positions 3
Switch Function On-Off-Off, Off-Off-On
Current Rating (AC) 10A
Current Rating (DC) 8A
Voltage Rating (AC) 110V
Voltage Rating (DC) 24V
Actuator Type Flat Key
Mounting Type Panel Mount
Termination Style Screw Terminal
Panel Cutout Dimensions Circular - 30.50mm Dia
Depth Behind Flange 53.00mm
Contact Material Silver (Ag)
Features IP54
Operating Temperature Range -25°C to 50°C
Mechanical Life 500,000 Cycles
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Product Status Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the ASD3K20N-RRC is determined by the following critical parameters:

  • Manufacturer and Base Series: IDEC ASD3 family keylock switches
  • Circuit Configuration: DPST-NO (Double Pole Single Throw - Normally Open)
  • Number of Positions: 3-position operation
  • Current and Voltage Ratings: Minimum 10A AC at 110V and 8A DC at 24V
  • Actuator Type: Flat key mechanism
  • Mounting Interface: Panel mount with circular 30.50mm cutout
  • Termination: Screw terminal connection
  • Environmental Rating: IP54 protection minimum
  • Compliance: ROHS3 Compliant

The substitute part ASD3K20NU-RRC belongs to the same IDEC ASD3 base product family and maintains compatibility with the electrical and mechanical specifications required for direct replacement in legacy applications.

Parameter Comparison

Parameter ASD3K20N-RRC (Main Part) ASD3K20NU-RRC (Substitute)
Manufacturer IDEC IDEC
Base Product Number ASD3 ASD3
Product Status Obsolete Active
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
Packaging Bulk Bulk
Current Availability 946 Pcs In Stock 709 Pcs In Stock

Engineering Selection Recommendations

The ASD3K20NU-RRC is the designated substitute for the obsolete ASD3K20N-RRC based on the following engineering criteria:

  • Product Status Alignment: The substitute part maintains active production status, ensuring long-term availability and supply chain continuity compared to the obsolete main part.
  • Regulatory Compliance: Both parts maintain ROHS3 compliance and identical MSL ratings, confirming environmental and regulatory compatibility.
  • Manufacturer Continuity: Both components are manufactured by IDEC within the same ASD3 base product family, ensuring design and functional consistency.
  • Inventory Availability: Both parts are currently in stock, supporting immediate procurement for replacement applications.

Selection of the ASD3K20NU-RRC eliminates obsolescence risk while maintaining full electrical and mechanical compatibility with existing panel-mounted installations.

Frequently Asked Questions (FAQ)

Q: Can the ASD3K20NU-RRC directly replace the ASD3K20N-RRC in existing installations?

A: Yes. Both parts share the same IDEC ASD3 base product family, identical electrical ratings (10A AC at 110V, 8A DC at 24V), matching panel mount dimensions (30.50mm circular cutout), and screw terminal termination. The substitute maintains full functional and mechanical compatibility.

Q: What is the primary reason for substitution?

A: The ASD3K20N-RRC is classified as obsolete. The ASD3K20NU-RRC is the active production equivalent, ensuring continued availability and supply chain support.

Q: Are there any compliance differences between the two parts?

A: No. Both parts are ROHS3 compliant with identical MSL ratings of 1 (Unlimited), confirming equivalent environmental and regulatory status.

Q: What packaging format is available for the substitute part?

A: The ASD3K20NU-RRC is supplied in bulk packaging, consistent with the original part specification.

Q: Are both parts currently available for procurement?

A: Yes. The main part has 946 units in stock, and the substitute part has 709 units in stock, supporting immediate availability for both new installations and replacement applications.

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