MEC Switches 15501 Equivalent & Substitute Parts

Part Overview

The MEC Switches 15501 is a pushbutton switch with 4PST-2NO/2NC circuit configuration, rated for 250mA AC at 120V. This component features a plunger actuator with gray/dark cap, through-hole PC pin termination, and IP54 ingress protection. The part is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and new design implementations.

Substiute Parts

15501

MEC SwitchesIn Stock: 96515501 Datasheet

Current PartRFQ

15401

Keystone ElectronicsIn Stock: 82915401 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part identified for MEC Switches 15501 is Keystone Electronics 15401. However, a critical incompatibility exists between these components that prevents direct substitution.

The MEC Switches 15501 is a pushbutton switch with electrical switching functionality (4PST-2NO/2NC circuit, 250mA AC, 120V rating). The Keystone Electronics 15401 is a turret board terminal component with no switching capability. These parts serve fundamentally different functions within electronic assemblies and cannot replace one another.

Substitution logic for the MEC Switches 15501 requires identification of alternative pushbutton switches that match the following critical parameters:

• Circuit configuration: 4PST-2NO/2NC
• Current rating: 250mA AC minimum
• Voltage rating: 120V AC minimum
• Mounting type: Through Hole
• Termination style: PC Pin
• Ingress protection: IP54 or equivalent
• Operating temperature range: -40°C to 75°C or broader
• Mechanical life: 1,500,000 cycles or greater

The provided substitute part (15401) does not meet these criteria and should not be used as a replacement.

Parameter Comparison

Engineering Selection Recommendations

The Keystone Electronics 15401 cannot serve as a functional substitute for the MEC Switches 15501 due to fundamental product category differences. The 15401 is a passive terminal board component, while the 15501 is an active switching device with specific electrical ratings and circuit configurations.

For applications requiring replacement of the obsolete MEC Switches 15501, alternative pushbutton switches must be sourced that match the specified electrical parameters (4PST-2NO/2NC, 250mA AC, 120V), mechanical specifications (through-hole PC pin termination), and environmental ratings (IP54, -40°C to 75°C operating range, 1,500,000 cycle mechanical life).

Both components maintain ROHS3 compliance and MSL 1 ratings, indicating equivalent environmental handling and regulatory status. However, these shared compliance attributes do not establish functional interchangeability.

Frequently Asked Questions (FAQ)

Q: Can the Keystone Electronics 15401 replace the MEC Switches 15501?

A: No. The 15401 is a turret board terminal component with no switching functionality. The 15501 is a 4PST pushbutton switch with active electrical switching capability. These are different product categories and cannot substitute for one another.

Q: What makes two pushbutton switches compatible substitutes?

A: Pushbutton switch substitutes must match the circuit configuration (4PST-2NO/2NC), current rating (250mA AC minimum), voltage rating (120V AC minimum), mounting type (through hole), termination style (PC pin), ingress protection rating (IP54 or better), and mechanical life specification (1,500,000 cycles or greater).

Q: Why is the MEC Switches 15501 listed as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production. Replacement components must be identified from active product lines that meet the same electrical and mechanical specifications.

Q: Are the RoHS and MSL ratings sufficient to determine substitutability?

A: No. Compliance certifications (ROHS3, MSL 1) indicate equivalent environmental and regulatory handling but do not establish functional compatibility. Electrical parameters, circuit configuration, and mechanical specifications are the primary determinants of substitutability.

Q: What should be verified when sourcing a replacement for the 15501?

A: Verify the substitute part's circuit configuration (4PST-2NO/2NC), current and voltage ratings (250mA AC, 120V AC minimum), mounting type (through hole), termination style (PC pin), ingress protection (IP54), operating temperature range (-40°C to 75°C or broader), and mechanical life (1,500,000 cycles or greater).