NKK Switches M2023SS1W08 Toggle Switch DPDT Equivalent & Substitute Parts

Part Overview

The NKK Switches M2023SS1W08 is a panel-mount toggle switch with DPDT (Double Pole Double Throw) circuit configuration, rated for 6A at 125V AC and 3A at 30V DC. This component features an On-Off-On switch function with wire wrap termination and epoxy sealed terminals. The M2023SS1W08 is classified as obsolete, making equivalent and substitute parts necessary for ongoing system maintenance, repairs, and new designs requiring compatible functionality.

Key Parameters

Parameter	Value
Manufacturer Part Number	M2023SS1W08
Manufacturer	NKK Switches
Circuit Configuration	DPDT
Switch Function	On-Off-On
Current Rating (AC)	6A
Current Rating (DC)	3A
Voltage Rating (AC)	125V
Voltage Rating (DC)	30V
Mounting Type	Panel Mount
Actuator Type	Standard Round
Actuator Length	10.50mm
Termination Style	Wire Wrap
Panel Cutout Dimensions	Circular - 6.50mm Dia
Bushing Thread	1/4-40
Operating Temperature Range	-30°C to 85°C
Electrical Life	25,000 Cycles
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the M2023SS1W08 is determined by strict adherence to the following critical parameters:

Primary Substitution Criteria (Must Match):

Circuit configuration: DPDT
Switch function: On-Off-On
Mounting type: Panel Mount
Panel cutout dimensions: Circular - 6.50mm Dia (or compatible 6.35mm for C&K alternatives)
Bushing thread: 1/4-40
Operating temperature range: -30°C to 85°C minimum
Termination style compatibility with wire wrap applications

Electrical Compatibility Parameters:

Current rating: Minimum 6A AC / 3A DC (equal or greater)
Voltage rating: Minimum 125V AC / 30V DC (equal or greater)
Epoxy sealed terminals required

Substitute Categories:

Category 1 - MFR Recommended (NKK Switches): Parts M2023SS1W01 and M2023SS1W03 share identical electrical ratings, circuit configuration, and mechanical specifications with the M2023SS1W08. These differ only in termination style (Solder Lug and PC Pin respectively) while maintaining full functional equivalence.

Category 2 - Similar (NKK Switches): Part M2023SS1W06 is electrically and mechanically identical to M2023SS1W08, differing only in packaging (Bulk vs. standard).

Category 3 - Similar (C&K Switches): Parts 7203K2WBE, 7203L1CWWBE, 7203P3DW4QE, 7203P3YW1QE, 7203P3YW4BE, 7203P3YW4QE, and 7203P3YW4QE22 provide functional DPDT On-Off-On panel-mount alternatives. These C&K components operate at reduced current and voltage ratings (0.4VA to 5A AC, 20V to 120V AC) and therefore are suitable only for applications where the M2023SS1W08's full 6A/125V capability is not required.

Parameter Comparison

Part Number	Manufacturer	Circuit	Current (AC)	Voltage (AC)	Termination	Actuator Type	Electrical Life	Product Status
M2023SS1W08	NKK Switches	DPDT	6A	125V	Wire Wrap	Standard Round	25,000 Cycles	Obsolete
M2023SS1W01	NKK Switches	DPDT	6A	125V	Solder Lug	Standard Round	25,000 Cycles	Obsolete
M2023SS1W03	NKK Switches	DPDT	6A	125V	PC Pin	Standard Round	25,000 Cycles	Obsolete
M2023SS1W06	NKK Switches	DPDT	6A	125V	Wire Wrap	Standard Round	25,000 Cycles	Obsolete
7203K2WBE	C&K	DPDT	0.4VA	20V	Wire Wrap	Locking Lever	40,000 Cycles	Active
7203L1CWWBE	C&K	DPDT	0.4VA	20V	Wire Wrap	Standard Round	40,000 Cycles	Active
7203P3DW4QE	C&K	DPDT	5A	120V	Wire Wrap	Flat Anti-Rotation	40,000 Cycles	Active
7203P3YW1QE	C&K	DPDT	5A	120V	Wire Wrap	Flat Anti-Rotation	40,000 Cycles	Active
7203P3YW4BE	C&K	DPDT	0.4VA	20V	Wire Wrap	Flat Anti-Rotation	40,000 Cycles	Active
7203P3YW4QE	C&K	DPDT	5A	120V	Wire Wrap	Flat Anti-Rotation	40,000 Cycles	Active
7203P3YW4QE22	C&K	DPDT	5A	120V	Wire Wrap	Flat Anti-Rotation	40,000 Cycles	Active

Engineering Selection Recommendations

For Direct Replacement (Full Electrical Equivalence):

Select M2023SS1W01 or M2023SS1W06 when the application requires identical 6A/125V electrical performance and the termination style change (Solder Lug or Wire Wrap) is compatible with the circuit board design. Both parts maintain NKK Switches manufacturing standards and ROHS3 compliance. M2023SS1W06 is preferred if wire wrap termination must be retained.

For Termination-Specific Applications:

M2023SS1W03 provides PC Pin termination for applications requiring direct PCB mounting without solder or wire wrap connections, while maintaining full electrical equivalence to the M2023SS1W08.

For Active Product Status with Reduced Electrical Requirements:

C&K 7203 series parts (7203P3DW4QE, 7203P3YW1QE, 7203P3YW4QE, 7203P3YW4QE22) are active products suitable for applications where current demand does not exceed 5A AC and voltage does not exceed 120V AC. These alternatives offer extended electrical life (40,000 cycles vs. 25,000 cycles) and REACH compliance status. The 7203P3YW4QE22 variant includes a black actuator for visual differentiation if required.

For Low-Power Applications:

C&K 7203K2WBE and 7203L1CWWBE are appropriate only for applications with current requirements of 0.4VA or less. The 7203L1CWWBE provides IP67 ingress protection if environmental sealing is required.

Frequently Asked Questions (FAQ)

Q: Can M2023SS1W01 or M2023SS1W03 be used as direct replacements for M2023SS1W08?

A: Yes. M2023SS1W01 and M2023SS1W03 are electrically and mechanically equivalent to M2023SS1W08. The only differences are termination style (Solder Lug and PC Pin respectively). Compatibility depends on whether the circuit design accommodates these termination types.

Q: What is the key difference between NKK M2023SS series parts and C&K 7203 series parts?

A: NKK M2023SS parts maintain the original 6A/125V electrical ratings. C&K 7203 series parts operate at reduced ratings (0.4VA to 5A AC, 20V to 120V AC). Selection depends on actual application current and voltage requirements.

Q: Is M2023SS1W06 identical to M2023SS1W08?

A: M2023SS1W06 is electrically and mechanically identical to M2023SS1W08. The only difference is packaging (Bulk vs. standard). Both use wire wrap termination and maintain identical electrical specifications.

Q: Can C&K 7203P3YW4QE be used in place of M2023SS1W08?

A: C&K 7203P3YW4QE is suitable only if the application current requirement does not exceed 5A AC and voltage does not exceed 120V AC. The M2023SS1W08 is rated for 6A/125V, so the C&K part operates at reduced capacity. Verify application requirements before substitution.

Q: What is the difference between 7203P3YW4QE and 7203P3YW4QE22?

A: Both parts are electrically and mechanically identical. The 7203P3YW4QE22 includes a black actuator, while the standard 7203P3YW4QE has a standard actuator. Selection depends on visual identification requirements.

Q: Does C&K 7203L1CWWBE offer any advantage over other C&K alternatives?

A: C&K 7203L1CWWBE provides IP67 ingress protection (dust tight, waterproof), making it suitable for applications requiring environmental sealing. However, it operates at 0.4VA rating, limiting use to low-power applications only.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance. NKK M2023SS series parts are ROHS3 compliant. C&K 7203 series parts are ROHS3 compliant with REACH Affected status.

Q: What is the panel cutout dimension compatibility between NKK and C&K parts?

A: NKK M2023SS1W08 requires a 6.50mm diameter circular cutout. C&K 7203 series parts require a 6.35mm diameter circular cutout. Both use 1/4-40 bushing thread. Verify panel dimensions before substitution.

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