WR18AT/V Equivalent & Substitute Parts

Part Overview

The WR18AT/V is a rocker switch manufactured by NKK Switches, classified as a Single Pole Double Throw (SPDT) momentary-off-momentary switch rated for 15A at 125V AC. The unit features panel mount snap-in installation with screw terminals and IP67 ingress protection. The WR18AT/V is currently listed as obsolete, making identification of functionally equivalent alternatives necessary for ongoing maintenance, repair, and new design applications where this switch type is specified.

Substiute Parts

WR18AT/V

NKK SwitchesIn Stock: 817WR18AT/V Datasheet

Current PartRFQ

WR18AT

NKK SwitchesIn Stock: 824WR18AT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the WR18AT/V is determined by strict equivalence across the following critical parameters:

• Circuit configuration: SPDT only
• Switch function: Mom-Off-Mom operation
• Current rating: 15A (AC/DC)
• Voltage rating: 125V AC minimum, 30V DC minimum
• Mounting type: Panel Mount, Snap-In
• Actuator type: Concave (Curved)
• Termination style: Screw Terminal
• Ingress protection: IP67 minimum
• Panel cutout dimensions: Rectangular 34.20mm x 17.20mm
• Operating temperature range: -25°C to 85°C minimum
• Mechanical life: 30,000 cycles minimum
• Electrical life: 10,000 cycles minimum

The WR18AT (without the /V suffix designation) meets all substitution criteria and is classified as an active product with current manufacturing status.

Parameter Comparison

Engineering Selection Recommendations

The WR18AT serves as a direct functional equivalent to the obsolete WR18AT/V. Both parts share identical electrical ratings, mechanical specifications, and dimensional requirements. The WR18AT is currently in active production status, ensuring availability for new designs and replacement applications.

The WR18AT carries ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component procurement. The WR18AT/V lacks documented compliance certifications, whereas the active WR18AT variant provides documented regulatory compliance suitable for applications requiring compliance verification.

For applications where the WR18AT/V is currently specified, direct substitution with the WR18AT is supported by complete parameter equivalence across all electrical, mechanical, and environmental specifications.

Frequently Asked Questions (FAQ)

Q: Can the WR18AT replace the WR18AT/V in existing designs?

A: Yes. The WR18AT meets all electrical, mechanical, and environmental specifications of the WR18AT/V. Both parts are identical in circuit configuration (SPDT), current rating (15A AC/DC), voltage rating (125V AC, 30V DC), mounting type (Panel Mount, Snap-In), and panel cutout dimensions (34.20mm x 17.20mm). No circuit modifications are required.

Q: What is the difference between WR18AT/V and WR18AT?

A: The primary difference is product status. The WR18AT/V is obsolete, while the WR18AT is in active production. Both parts are electrically and mechanically identical. The WR18AT includes documented ROHS3 compliance and REACH unaffected status.

Q: Are there packaging differences between these parts?

A: The WR18AT/V is supplied in standard packaging, while the WR18AT is supplied in bulk packaging. This distinction does not affect electrical or mechanical performance.

Q: What are the critical substitution parameters for this switch type?

A: Substitution requires equivalence in circuit configuration (SPDT), switch function (Mom-Off-Mom), current rating (15A AC/DC), voltage rating (125V AC minimum), mounting type (Panel Mount, Snap-In), actuator type (Concave), termination style (Screw Terminal), ingress protection (IP67), and panel cutout dimensions (34.20mm x 17.20mm).

Q: Is the WR18AT suitable for applications requiring regulatory compliance documentation?

A: Yes. The WR18AT carries ROHS3 compliance and REACH unaffected status with EN and UL approvals, making it suitable for applications requiring compliance verification and regulatory documentation.