MB2061LS1W01-BC Equivalent & Substitute Parts

Part Overview

The MB2061LS1W01-BC is a DPDT pushbutton switch manufactured by NKK Switches, rated for 6A at 125V AC and 3A at 30V DC. This component features panel mount rear termination with solder lug connections and epoxy sealed terminals. The product is currently obsolete, making equivalent substitute parts necessary for ongoing maintenance, repair, and legacy system support applications.

Key Parameters

Parameter	Value
Circuit Configuration	DPDT (Double Pole Double Throw)
Switch Function	On-Momentary
Current Rating (AC)	6A
Current Rating (DC)	3A
Voltage Rating (AC)	125V
Voltage Rating (DC)	30V
Mounting Type	Panel Mount, Rear
Termination Style	Solder Lug
Panel Cutout Diameter	6.50mm
Operating Temperature Range	-30°C to 85°C
Mechanical Life	100,000 Cycles
Electrical Life	25,000 Cycles
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the MB2061LS1W01-BC is determined by the following critical parameters:

Mandatory Matching Parameters:

Circuit configuration: DPDT
Switch function: On-Momentary
AC current rating: 6A minimum
AC voltage rating: 125V minimum
Mounting type: Panel Mount, Rear
Termination style: Solder Lug

Allowable Variations:

DC current rating: Substitute must meet or exceed 3A DC
DC voltage rating: Substitute must meet or exceed 30V DC
Panel cutout diameter: Circular 6.35mm is acceptable (0.15mm tolerance within mechanical compatibility)
Operating temperature range: Substitute may have narrower range if application requirements are met
Electrical life: Substitute may exceed specified cycles
Mechanical life: Substitute may exceed specified cycles

The substitute parts MPA206R and MPE206R meet all mandatory parameters and allowable variations for direct substitution in applications requiring the MB2061LS1W01-BC.

Parameter Comparison

Parameter	MB2061LS1W01-BC (NKK)	MPA206R (TE Connectivity)	MPE206R (TE Connectivity)
Manufacturer	NKK Switches	TE Connectivity ALCOSWITCH Switches	TE Connectivity ALCOSWITCH Switches
Product Status	Obsolete	Active	Active
Series	MB2000	MPA	MPE
Circuit Configuration	DPDT	DPDT	DPDT
Switch Function	On-Momentary	On-Momentary	On-Momentary
Current Rating (AC)	6A	6A	6A
Current Rating (DC)	3A	4A	4A
Voltage Rating (AC)	125V	125V	125V
Voltage Rating (DC)	30V	28V	28V
Mounting Type	Panel Mount, Rear	Panel Mount, Rear	Panel Mount, Rear
Termination Style	Solder Lug	Solder Lug	Solder Lug
Panel Cutout Diameter	6.50mm	6.35mm	6.35mm
Operating Temperature Range	-30°C to 85°C	-20°C to 80°C	-20°C to 80°C
Electrical Life	25,000 Cycles	50,000 Cycles	50,000 Cycles
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Ingress Protection	Not specified	Not specified	Splash Proof

Engineering Selection Recommendations

Both MPA206R and MPE206R are active production alternatives to the obsolete MB2061LS1W01-BC. Selection between these two substitutes depends on application environment requirements:

MPA206R Selection Criteria:

Standard panel mount DPDT switch applications
Environments without splash or moisture exposure
Applications operating within -20°C to 80°C temperature range
DC voltage requirements up to 28V
Electrical life requirement of 50,000 cycles or less

MPE206R Selection Criteria:

Applications requiring splash proof ingress protection
Environments with potential moisture or liquid exposure
Environments operating within -20°C to 80°C temperature range
DC voltage requirements up to 28V
Electrical life requirement of 50,000 cycles or less

Both substitutes exceed the original part's electrical life specification (50,000 cycles versus 25,000 cycles) and maintain ROHS3 compliance. The 0.15mm reduction in panel cutout diameter (6.35mm versus 6.50mm) is within standard mechanical tolerances for circular panel mount applications.

Frequently Asked Questions (FAQ)

Q: Can MPA206R or MPE206R directly replace MB2061LS1W01-BC in existing designs?

A: Both parts meet the mandatory electrical and mechanical parameters for direct substitution. The panel cutout diameter difference of 0.15mm is within acceptable mechanical tolerance for circular panel mount switches. Verify that the application environment does not require the extended temperature range of the original part (-30°C minimum).

Q: What is the difference between MPA206R and MPE206R?

A: Both parts are electrically identical DPDT switches with matching current and voltage ratings. MPE206R includes splash proof ingress protection, while MPA206R does not. Select MPE206R for applications exposed to moisture or liquid splash conditions.

Q: Why does the DC voltage rating differ between the original part and substitutes?

A: MB2061LS1W01-BC is rated for 30V DC, while MPA206R and MPE206R are rated for 28V DC. Both substitutes meet or exceed the original part's 3A DC current requirement. Applications operating at 28V DC or below are fully compatible.

Q: Are there temperature range limitations with the substitute parts?

A: MPA206R and MPE206R operate from -20°C to 80°C, compared to the original part's -30°C to 85°C range. Applications requiring operation below -20°C or above 80°C are not compatible with these substitutes.

Q: What is the panel cutout dimension compatibility?

A: The original part requires a 6.50mm circular cutout, while substitutes require 6.35mm. Existing panel cutouts sized for 6.50mm will accommodate the 6.35mm diameter substitutes. New panel designs should use 6.35mm cutout dimensions for the substitute parts.

Q: Do the substitute parts maintain RoHS compliance?

A: Both MPA206R and MPE206R are ROHS3 compliant, matching the compliance status of the original MB2061LS1W01-BC.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message