MMP0120/NNBS Equivalent & Substitute Parts

Part Overview

The MMP0120/NNBS is an anti-vandal pushbutton switch manufactured by Bulgin, designed for panel-mount front installation. This SPST-NO (Single Pole Single Throw - Normally Open) switch is rated for 2A DC at 36V with a domed round button actuator and screw terminal connections. The component is currently active in production with 667 units in stock.

Substitute parts are identified when equivalent electrical ratings, mechanical specifications, and environmental performance parameters match the original component, enabling direct replacement in applications where the original part becomes unavailable or when alternative sourcing is required.

Key Parameters

Parameter	Value
Circuit Configuration	SPST-NO
Current Rating (DC)	2A
Voltage Rating (DC)	36V
Mounting Type	Panel Mount, Front
Switch Type	Anti-Vandal
Actuator Type	Round, Button, Domed
Termination Style	Screw Terminal
Panel Cutout Diameter	12.00mm Circular
Ingress Protection	IP65
Switch Function	Off-Mom (Momentary)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the MMP0120/NNBS is determined by strict equivalence across the following critical parameters:

Electrical Compatibility: Circuit configuration (SPST-NO), current rating (2A DC), and voltage rating (36V DC) must be identical. These parameters define the switch's load-handling capability and direct circuit compatibility.

Mechanical Compatibility: Mounting type (panel mount, front installation), actuator type (round domed button), and panel cutout dimensions (12.00mm circular) must match to ensure physical installation without modification.

Environmental Performance: Ingress protection rating (IP65) and switch function (Off-Mom momentary operation) must be maintained.

Regulatory Compliance: RoHS3 compliance status ensures material restriction adherence across both parts.

The substitute part PV5S640NN manufactured by E-Switch meets all these criteria, enabling direct functional replacement in applications currently using the MMP0120/NNBS.

Parameter Comparison

Parameter	MMP0120/NNBS (Bulgin)	PV5S640NN (E-Switch)	Compatibility
Circuit Configuration	SPST-NO	SPST-NO	Equivalent
Current Rating (DC)	2A	2A	Equivalent
Voltage Rating (DC)	36V	36V	Equivalent
Mounting Type	Panel Mount, Front	Panel Mount, Front	Equivalent
Switch Type	Anti-Vandal	Anti-Vandal	Equivalent
Actuator Type	Round, Button, Domed	Round, Button, Domed	Equivalent
Actuator Color	Silver	Silver	Equivalent
Termination Style	Screw Terminal	Screw Terminal	Equivalent
Panel Cutout Diameter	12.00mm Circular	12.00mm Circular	Equivalent
Ingress Protection	IP65	IP65	Equivalent
Switch Function	Off-Mom	Off-Mom	Equivalent
Operating Temperature Range	-25°C ~ 55°C	-20°C ~ 70°C	Substitute Range Wider
Mechanical Life	500,000 Cycles	1,000,000 Cycles	Substitute Exceeds
Electrical Life	200,000 Cycles	200,000 Cycles	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Equivalent
REACH Status	REACH Unaffected	REACH Unaffected	Equivalent

Engineering Selection Recommendations

Both the MMP0120/NNBS and PV5S640NN are active production components with ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component deployment.

The PV5S640NN substitute part demonstrates equivalent electrical and mechanical specifications across all critical parameters. The substitute exhibits an extended operating temperature range (-20°C to 70°C versus -25°C to 55°C) and superior mechanical life rating (1,000,000 cycles versus 500,000 cycles), providing enhanced performance margins in applications requiring extended operational durability or wider temperature tolerance.

Selection between these parts should be based on availability, supply chain requirements, and application-specific environmental conditions. Both components are suitable for direct substitution in SPST-NO momentary switch applications rated for 2A DC at 36V with IP65 ingress protection.

Frequently Asked Questions (FAQ)

Q: Can PV5S640NN directly replace MMP0120/NNBS in existing installations?

A: Yes. Both components share identical electrical ratings (2A DC, 36V), circuit configuration (SPST-NO), mechanical mounting specifications (12.00mm panel cutout, front panel mount), actuator type (round domed button), and termination style (screw terminal). No circuit modifications or mechanical adaptations are required.

Q: What are the key differences between these two parts?

A: The primary differences are manufacturer (Bulgin versus E-Switch), packaging format (tray versus bulk), operating temperature range (MMP0120/NNBS: -25°C to 55°C; PV5S640NN: -20°C to 70°C), and mechanical life rating (MMP0120/NNBS: 500,000 cycles; PV5S640NN: 1,000,000 cycles). Electrical and mechanical compatibility parameters are identical.

Q: Are both parts RoHS compliant?

A: Yes. Both MMP0120/NNBS and PV5S640NN are ROHS3 compliant and REACH unaffected, meeting current regulatory standards for electronic component manufacturing and deployment.

Q: What packaging formats are available?

A: MMP0120/NNBS is supplied in tray packaging, while PV5S640NN is supplied in bulk packaging. Packaging selection may affect order quantities and handling procedures but does not impact component functionality or compatibility.

Q: Are the screw terminal connections identical?

A: Yes. Both components use screw terminal termination style, ensuring compatible wiring and connection procedures without modification to existing harnesses or terminal blocks.

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