KB15RKW01-12-EB Equivalent & Substitute Parts

Part Overview

The KB15RKW01-12-EB is an illuminated pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuit configuration with 1A current rating at 125V AC. This component is designed for panel-mounted front installation with incandescent yellow illumination at 12 VAC nominal voltage. The product is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and new design implementations where this switch type is required.

Substiute Parts

KB15RKW01-12-EB

NKK SwitchesIn Stock: 943KB15RKW01-12-EB Datasheet

Current PartRFQ

YB15RKW01-5D12-JD

NKK SwitchesIn Stock: 878YB15RKW01-5D12-JD Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the KB15RKW01-12-EB is determined by the following critical parameters:

Mandatory Compatibility Parameters:

• Circuit configuration (SPDT required)
• Switch function (On-Mom momentary operation)
• Voltage ratings (125V AC minimum, 30V DC minimum)
• Mounting type (Panel Mount, Front)
• Operating temperature range (-25°C to 50°C minimum)
• Panel cutout dimensions (mechanical fit requirement)

Allowable Variation Parameters:

• Current rating (substitute must meet or exceed 1A requirement)
• Illumination type and color (functional equivalent if voltage compatible)
• Mechanical and electrical life cycles (substitute may exceed original specifications)
• Termination style (solder lug or quick connect acceptable if electrically equivalent)

The YB15RKW01-5D12-JD qualifies as a substitute based on matching SPDT circuit, On-Mom function, 125V AC voltage rating, panel mount configuration, and operating temperature range. The substitute provides enhanced current capacity (3A vs 1A), superior mechanical life (1,000,000 vs 100,000 cycles), and improved electrical life (100,000 vs 50,000 cycles). Panel cutout diameter increases from 12.30mm to 16.00mm, requiring mechanical panel modification.

Parameter Comparison

Engineering Selection Recommendations

The YB15RKW01-5D12-JD is an active product with current manufacturing support, addressing the obsolescence status of the KB15RKW01-12-EB. Both components maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for new designs and legacy system replacements.

Selection of the YB15RKW01-5D12-JD requires evaluation of the following implementation factors:

Panel Mechanical Modification: The substitute requires a 16.00mm diameter cutout versus the original 12.30mm specification. Existing panel installations designed for the KB15RKW01-12-EB will require mechanical modification to accommodate the larger diameter.

Illumination Voltage Compatibility: The substitute operates on 12 VDC illumination supply, whereas the original requires 12 VAC. Existing illumination circuits must be verified for DC compatibility or modified accordingly.

Termination Configuration: The substitute provides dual termination options (solder and quick connect), offering installation flexibility not present in the original solder lug design.

Performance Enhancement: The substitute delivers superior electrical and mechanical life specifications, providing extended operational reliability for applications requiring extended service intervals.

Frequently Asked Questions (FAQ)

Q: Can the YB15RKW01-5D12-JD be used as a direct replacement without panel modification?

A: No. The substitute requires a 16.00mm panel cutout diameter compared to the original 12.30mm specification. Panel drilling or modification is necessary for mechanical installation.

Q: What is the impact of changing from incandescent to LED illumination?

A: The substitute uses LED amber illumination instead of incandescent yellow. LED technology provides longer operational life and lower power consumption. Visual appearance differs due to color shift from yellow to amber. Illumination circuit voltage changes from 12 VAC to 12 VDC.

Q: Are the electrical ratings compatible with the original application?

A: Yes. The substitute maintains 125V AC and 30V DC voltage ratings identical to the original. Current capacity increases from 1A to 3A, providing enhanced margin for the same application requirements.

Q: What is the significance of the 10x improvement in mechanical life cycles?

A: The substitute provides 1,000,000 mechanical cycles versus 100,000 in the original, indicating substantially improved durability for high-frequency switching applications. This enhancement extends maintenance intervals and reduces component replacement frequency.

Q: Are both components RoHS and REACH compliant?

A: Yes. Both KB15RKW01-12-EB and YB15RKW01-5D12-JD maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility for industrial and commercial applications.

Q: What packaging considerations apply to the substitute?

A: The YB15RKW01-5D12-JD is supplied in bulk packaging. Inventory availability is 775 pieces in new original condition.