MB2011SS1W03 Equivalent & Substitute Parts

Part Overview

The MB2011SS1W03 is a pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuit configuration with a standard plunger actuator and panel mount rear installation. This component is rated for 6A at 125V AC and 3A at 30V DC, with mechanical life of 100,000 cycles and electrical life of 25,000 cycles. The part is currently obsolete, making identification of equivalent substitute components essential for system maintenance, repair, and legacy equipment support.

Substiute Parts

MB2011SS1W03

NKK SwitchesIn Stock: 978MB2011SS1W03 Datasheet

Current PartRFQ

MBN15SS1W03

NKK SwitchesIn Stock: 1142MBN15SS1W03 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MB2011SS1W03 is determined by the following critical parameters:

Circuit configuration (SPDT), switch function (On-Mom momentary operation), current and voltage ratings (6A/125V AC, 3A/30V DC), mounting type (panel mount rear), actuator type (plunger), termination style (PC pin), and panel cutout dimensions (6.50mm circular). The substitute part MBN15SS1W03 is identified as the manufacturer-recommended equivalent based on compatibility across these electrical and mechanical specifications.

Parameter Comparison

Engineering Selection Recommendations

The MBN15SS1W03 is designated as the manufacturer-recommended substitute for the obsolete MB2011SS1W03. Both components are manufactured by NKK Switches and maintain ROHS3 compliance. The substitute part carries active product status, ensuring ongoing availability and supply chain continuity. Selection of MBN15SS1W03 is supported by NKK Switches' official substitution designation and current market availability (1038 pieces in stock versus 871 pieces for the obsolete main part).

Frequently Asked Questions (FAQ)

Q: Why is the MB2011SS1W03 being replaced? A: The MB2011SS1W03 is classified as obsolete. The MBN15SS1W03 is the active equivalent designated by NKK Switches for continued component sourcing.

Q: What are the critical parameters for substitution compatibility? A: Circuit configuration (SPDT), switch function (On-Mom), current ratings (6A AC / 3A DC), voltage ratings (125V AC / 30V DC), mounting type (panel mount rear), actuator type (plunger), termination style (PC pin), and panel cutout dimensions (6.50mm circular) determine substitution eligibility.

Q: Are both parts RoHS compliant? A: Yes, both MB2011SS1W03 and MBN15SS1W03 are ROHS3 compliant.

Q: What is the availability status of each part? A: MB2011SS1W03 (obsolete) has 871 pieces in stock. MBN15SS1W03 (active) has 1038 pieces in stock.

Q: Can MBN15SS1W03 be used as a direct replacement in existing designs? A: MBN15SS1W03 is the manufacturer-recommended substitute. Verification of mechanical fit and electrical performance in the specific application is required before implementation.