M2012SD3W01 Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The M2012SD3W01 is a panel-mount toggle switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuitry with On-On switching function. This component is rated for 6A AC at 125V and 4A DC at 30V, with a standard round actuator and solder lug termination. The part is classified as obsolete, necessitating identification of active equivalent and substitute components that maintain electrical and mechanical compatibility for new designs or replacement applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	M2012SD3W01
Manufacturer	NKK Switches
Circuit Configuration	SPDT
Switch Function	On-On
Current Rating (AC)	6A @ 125V
Current Rating (DC)	4A @ 30V
Mounting Type	Panel Mount
Actuator Type	Standard Round
Actuator Length	10.50mm
Panel Cutout Diameter	6.50mm Circular
Bushing Thread	1/4-40
Termination Style	Solder Lug
Ingress Protection	IP67
Operating Temperature Range	-30°C to 85°C
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment with the following critical parameters:

Electrical Compatibility Requirements:

Circuit configuration must be SPDT
Switch function must be On-On
Current rating must meet or exceed 6A AC at 125V (or 5A AC at 120V minimum)
DC voltage rating must support 28V minimum
Termination style must be Solder Lug

Mechanical Compatibility Requirements:

Mounting type must be Panel Mount
Actuator type must be Standard Round
Panel cutout diameter must be 6.35mm to 6.50mm (circular)
Bushing thread must be 1/4-40
Actuator length must be within 10.40mm to 10.67mm

Regulatory & Compliance Requirements:

RoHS3 compliance mandatory
ECCN classification EAR99

Substitute parts are grouped into three categories based on substitution relationship type: MFR Recommended (direct NKK equivalent), Direct Manufacturer (alternative brand with full parameter alignment), and Similar (alternative brand with minor parameter variations within acceptable tolerances).

Parameter Comparison

Parameter	M2012SD3W01 (Main)	MN12SD3W01 (MFR Rec.)	7101SCWZQE (C&K)	100SP1T1B1M1QEH (E-Switch)	100SP1T1B9M1QEH (E-Switch)	2M1-SP1-T1-B1-M1QE (Carling)	5636AB (APEM)	5636AKB (APEM)	7101SYZGE (C&K)	MTA106D (TE Conn.)	MTE106D (TE Conn.)
Manufacturer	NKK Switches	NKK Switches	C&K	E-Switch	E-Switch	Carling Technologies	APEM Inc.	APEM Inc.	C&K	TE Connectivity	TE Connectivity
Circuit	SPDT	SPDT	SPDT	SPDT	SPDT	SPDT	SPDT	SPDT	SPDT	SPDT	SPDT
Switch Function	On-On	On-On	On-On	On-On	On-On	On-On	On-On	On-On	On-On	On-On	On-On
Current Rating (AC)	6A @ 125V	Not specified	5A @ 120V	5A @ 120V	5A @ 120V	5A @ 125V	6A @ 125V	6A @ 125V	5A @ 120V	6A @ 125V	6A @ 125V
Current Rating (DC)	4A @ 30V	Not specified	5A @ 28V	5A @ 28V	5A @ 28V	5A @ 28V	4A @ 30V	4A @ 30V	5A @ 28V	4A @ 28V	4A @ 28V
Mounting Type	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount
Actuator Type	Standard Round	Standard Round	Standard Round	Standard Round	Standard Round	Standard Round	Standard Round	Standard Round	Standard Round	Standard Round	Standard Round
Actuator Length	10.50mm	Not specified	10.67mm	10.41mm	10.41mm	10.40mm	10.50mm	10.50mm	10.67mm	10.49mm	10.49mm
Panel Cutout Diameter	6.50mm	Not specified	6.35mm	6.35mm	6.35mm	6.35mm	6.50mm	6.50mm	6.35mm	6.40mm	6.40mm
Bushing Thread	1/4-40	1/4-40	1/4-40	1/4-40	1/4-40	1/4-40	1/4-40	1/4-40	1/4-40	1/4-40	1/4-40
Termination Style	Solder Lug	Solder Lug	Solder Lug	Solder Lug	Solder Lug	Solder Lug	Solder Lug	Solder Lug	Solder Lug	Solder Lug	Solder Lug
Ingress Protection	IP67	Not specified	IP67	Not specified	Not specified	IP67	Not specified	Not specified	Not specified	Not specified	Not specified
Operating Temperature	-30°C to 85°C	Not specified	-30°C to 85°C	-30°C to 85°C	-30°C to 85°C	-30°C to 85°C	-40°C to 85°C	-40°C to 85°C	-30°C to 85°C	-20°C to 80°C	-20°C to 80°C
Electrical Life	25,000 Cycles	Not specified	100,000 Cycles	40,000 Cycles	40,000 Cycles	50,000 Cycles	50,000 Cycles	50,000 Cycles	100,000 Cycles	80,000 Cycles	80,000 Cycles
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

MFR Recommended Substitute: MN12SD3W01

MN12SD3W01 is the direct NKK Switches equivalent with active product status. This part maintains the same manufacturer lineage and is the primary choice for direct replacement in existing designs. ROHS3 compliance and EAR99 classification are confirmed.

Direct Manufacturer Substitutes: 7101SCWZQE (C&K)

7101SCWZQE from C&K provides full electrical and mechanical compatibility with the M2012SD3W01. This part meets all critical parameters including SPDT circuit, On-On function, 5A AC at 120V rating, panel mount configuration, and 1/4-40 bushing thread. The part carries active product status, ROHS3 compliance, and EAR99 classification. Electrical life of 100,000 cycles exceeds the original specification.

Similar Substitutes: E-Switch 100SP1T1B1M1QEH and 100SP1T1B9M1QEH

Both E-Switch parts (100SP1T1B1M1QEH and 100SP1T1B9M1QEH) provide electrical compatibility with 5A AC at 120V and maintain all mechanical mounting parameters. Both are active products with ROHS3 compliance and EAR99 classification. Actuator length of 10.41mm and panel cutout of 6.35mm fall within acceptable mechanical tolerances.

Similar Substitutes: Carling Technologies 2M1-SP1-T1-B1-M1QE

2M1-SP1-T1-B1-M1QE maintains SPDT On-On configuration with 5A AC at 125V rating, matching the original voltage specification. Panel mount configuration and 1/4-40 bushing thread are identical. The part is active, ROHS3 compliant, and EAR99 classified. IP67 ingress protection rating matches the original specification.

Similar Substitutes: APEM Inc. 5636AB and 5636AKB

Both APEM parts (5636AB and 5636AKB) provide exact electrical rating match at 6A AC at 125V and 4A DC at 30V, identical to the original M2012SD3W01. Panel cutout diameter of 6.50mm and actuator length of 10.50mm are identical. Both parts are active, ROHS3 compliant, and EAR99 classified. 5636AKB includes front panel sealing feature. Operating temperature range extends to -40°C, exceeding the original specification.

Similar Substitutes: C&K 7101SYZGE

7101SYZGE provides SPDT On-On configuration with 5A AC at 120V rating and maintains all mechanical mounting parameters. The part is active, ROHS3 compliant, and EAR99 classified. Electrical life of 100,000 cycles exceeds the original specification.

Similar Substitutes: TE Connectivity MTA106D and MTE106D

Both TE Connectivity parts (MTA106D and MTE106D) provide 6A AC at 125V rating matching the original specification. SPDT On-On configuration and panel mount with 1/4-40 bushing thread are maintained. Both parts are active and ROHS3 compliant with EAR99 classification. MTA106D carries REACH Unaffected status while MTE106D is REACH Affected.

Frequently Asked Questions (FAQ)

Q: Can I use a 5A rated switch as a substitute for the 6A M2012SD3W01?

A: Yes, provided the application does not exceed 5A AC at 120V or 125V. The 5A-rated substitutes (7101SCWZQE, 100SP1T1B1M1QEH, 100SP1T1B9M1QEH, 2M1-SP1-T1-B1-M1QE, 7101SYZGE) are electrically compatible for applications within their rated specifications. For applications requiring the full 6A capacity, use 5636AB, 5636AKB, MTA106D, or MTE106D.

Q: What is the difference between the E-Switch 100SP1T1B1M1QEH and 100SP1T1B9M1QEH?

A: Both parts are electrically and mechanically identical with 5A AC at 120V rating, SPDT On-On configuration, and identical panel mount specifications. The difference lies in the actuator designation (B1 versus B9), which does not affect electrical or mechanical compatibility for this application.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all listed substitute parts carry ROHS3 Compliant status, matching the original M2012SD3W01 specification.

Q: What is the significance of the panel cutout diameter variation between 6.35mm and 6.50mm?

A: The panel cutout diameter determines the mounting hole size in the enclosure. Parts with 6.35mm cutout (C&K, E-Switch, Carling, TE Connectivity) require a slightly smaller mounting hole than the original 6.50mm specification. Existing panel designs with 6.50mm holes will accommodate 6.35mm cutout parts with minimal clearance. New designs should specify the appropriate cutout diameter based on available substitute inventory.

Q: Which substitute offers the longest electrical life?

A: C&K parts 7101SCWZQE and 7101SYZGE both provide 100,000 electrical cycles, the highest among all listed substitutes. The original M2012SD3W01 specifies 25,000 cycles.

Q: Is IP67 ingress protection available in all substitutes?

A: No. IP67 rating is specified only for the original M2012SD3W01, Carling Technologies 2M1-SP1-T1-B1-M1QE, and C&K 7101SCWZQE. Other substitutes do not specify ingress protection ratings. For applications requiring sealed operation, select from these three options.

Q: What is the REACH compliance status of the substitute parts?

A: MN12SD3W01, 100SP1T1B1M1QEH, 100SP1T1B9M1QEH, 2M1-SP1-T1-B1-M1QE, 5636AB, 5636AKB, and MTA106D are REACH Unaffected. 7101SCWZQE, 7101SYZGE, and MTE106D are REACH Affected. Select based on regulatory requirements for your application region.

Q: Can I use MN12SD3W01 as a direct replacement without any modifications?

A: Yes. MN12SD3W01 is the NKK Switches manufacturer-recommended equivalent and requires no design modifications. It maintains the same electrical specifications, mounting configuration, and termination style as the original M2012SD3W01.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message