M2013SS1W03 Equivalent & Substitute Parts

Part Overview

The M2013SS1W03 is an NKK Switches toggle switch with SPDT (Single Pole Double Throw) circuit configuration, rated for 6A at 125V AC and 3A at 30V DC. This panel mount switch features a standard round actuator with PC pin termination and epoxy sealed terminals. The product is classified as obsolete, making equivalent substitute parts necessary for ongoing applications and new designs requiring compatible functionality.

Key Parameters

Parameter	M2013SS1W03
Manufacturer	NKK Switches
Circuit Configuration	SPDT
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	PC Pin
Panel Cutout Diameter	6.50mm
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 is determined by strict alignment with the following electrical and mechanical parameters:

Critical Parameters for Substitution:

Circuit configuration (SPDT required)
Switch function (On-Off-On preferred for direct replacement)
Current rating minimum: 6A AC / 3A DC
Voltage rating minimum: 125V AC / 30V DC
Mounting type (Panel Mount)
Actuator type (Standard Round)
Termination style (PC Pin)
Bushing thread (1/4-40)
Panel cutout diameter compatibility (6.35mm to 6.50mm acceptable)

Substitute Parts Identified:

Direct Equivalent (Manufacturer Recommended):

MN13SS1W03 (NKK Switches) — Same electrical specifications, differs only in mounting type (Through Hole vs. Panel Mount)

Compatible Substitutes (Electrical Parameters Met):

5239AB (APEM Inc.) — Matches all critical electrical and mechanical parameters; enhanced electrical life (50,000 cycles)
MTA106EPC (TE Connectivity ALCOSWITCH Switches) — Meets electrical requirements; enhanced electrical life (60,000 cycles)

Partial Compatibility (Reduced Current or Voltage Ratings):

100SP3T1B1M2QEH (E-Switch) — 5A AC/DC, 120V AC (below original 6A/125V specification)
2M1-SP3-T1-B1-M2QE (Carling Technologies) — 5A AC/DC, 125V AC (below original 6A specification); includes IP67 ingress protection
7103SYCQE (C&K) — 5A AC/DC, 120V AC (below original 6A/125V specification)

Limited Compatibility (Function Deviation):

A121S1YCQ (Electroswitch) — On-On function (not On-Off-On); 6A AC/DC, 125V AC; panel cutout dimensions not specified

Parameter Comparison

Parameter	M2013SS1W03	MN13SS1W03	5239AB	MTA106EPC	100SP3T1B1M2QEH	2M1-SP3-T1-B1-M2QE	7103SYCQE	A121S1YCQ
Manufacturer	NKK Switches	NKK Switches	APEM Inc.	TE Connectivity	E-Switch	Carling Technologies	C&K	Electroswitch
Circuit	SPDT	SPDT	SPDT	SPDT	SPDT	SPDT	SPDT	SPDT
Switch Function	On-Off-On	On-Off-On	On-Off-On	On-Off-On	On-Off-On	On-Off-On	On-Off-On	On-On
Current Rating (AC)	6A	6A	6A	6A	5A	5A	5A	6A
Current Rating (DC)	3A	3A	4A	4A	5A	5A	5A	6A
Voltage Rating (AC)	125V	125V	125V	125V	120V	125V	120V	125V
Voltage Rating (DC)	30V	30V	30V	28V	28V	28V	28V	28V
Mounting Type	Panel Mount	Through Hole	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
Actuator Length	10.50mm	10.50mm	10.50mm	10.49mm	10.41mm	10.40mm	10.67mm	10.41mm
Termination Style	PC Pin	PC Pin	PC Pin	PC Pin	PC Pin	PC Pin	PC Pin	PC Pin
Panel Cutout Diameter	6.50mm	6.50mm	6.50mm	6.40mm	6.35mm	6.35mm	6.35mm	Not Specified
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
Operating Temperature	-30°C to 85°C	-30°C to 85°C	-40°C to 85°C	-20°C to 80°C	-30°C to 85°C	-30°C to 85°C	-30°C to 85°C	-30°C to 90°C
Electrical Life	25,000 Cycles	25,000 Cycles	50,000 Cycles	60,000 Cycles	40,000 Cycles	50,000 Cycles	40,000 Cycles	60,000 Cycles
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Non-Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

For Direct Replacement (Electrical Equivalence): Select 5239AB (APEM Inc.) or MTA106EPC (TE Connectivity ALCOSWITCH Switches) when panel mount configuration is required. Both parts meet or exceed the original electrical specifications (6A AC, 125V AC) and offer extended electrical life. Both are ROHS3 compliant and active products.

For Compliance-Critical Applications: 5239AB is recommended for RoHS3-compliant designs. MTA106EPC is not RoHS compliant and should be avoided in applications requiring RoHS certification.

For Extended Environmental Performance: 2M1-SP3-T1-B1-M2QE (Carling Technologies) provides IP67 ingress protection, suitable for applications requiring dust and moisture resistance. Note that current rating is reduced to 5A AC/DC.

For Through-Hole Mounting: MN13SS1W03 (NKK Switches) is the manufacturer-recommended equivalent when through-hole termination is required instead of panel mount.

For Reduced-Specification Applications: 100SP3T1B1M2QEH, 2M1-SP3-T1-B1-M2QE, and 7103SYCQE are acceptable only when application requirements allow 5A AC/DC operation at 120V AC or lower.

Not Recommended: A121S1YCQ differs in switch function (On-On vs. On-Off-On) and lacks specified panel cutout dimensions, making it unsuitable for direct replacement.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part rated for 5A AC instead of the original 6A AC specification? A: Only if your application circuit draws 5A or less. Substitutes with reduced current ratings (100SP3T1B1M2QEH, 2M1-SP3-T1-B1-M2QE, 7103SYCQE) operate safely below their rated limits but should not be used in circuits requiring the full 6A capacity.

Q: What is the difference between the M2013SS1W03 and MN13SS1W03? A: Both are NKK Switches with identical electrical specifications. The M2013SS1W03 is panel mount; the MN13SS1W03 is through-hole. The MN13SS1W03 is the active product replacement.

Q: Are all substitute parts panel mount compatible with the original M2013SS1W03 cutout? A: Panel cutout diameters range from 6.35mm to 6.50mm across substitutes. The original requires 6.50mm. Parts with 6.35mm or 6.40mm cutouts may require panel modification. Verify mechanical fit before installation.

Q: Which substitute offers the longest electrical life? A: MTA106EPC and A121S1YCQ both provide 60,000 cycles, compared to the original 25,000 cycles. However, MTA106EPC is not RoHS compliant.

Q: Can I use A121S1YCQ as a substitute? A: A121S1YCQ has an On-On switch function instead of On-Off-On. This functional difference makes it unsuitable for applications requiring the center-off position. Panel cutout dimensions are also not specified.

Q: What does ROHS3 compliance mean for my application? A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements. If your application or market requires RoHS certification, select only ROHS3-compliant substitutes: 5239AB, 100SP3T1B1M2QEH, 2M1-SP3-T1-B1-M2QE, or 7103SYCQE.

Q: Does the operating temperature range affect substitution? A: The original operates -30°C to 85°C. Most substitutes match this range. MTA106EPC operates -20°C to 80°C (narrower range). A121S1YCQ operates -30°C to 90°C (extended upper limit). Select based on your application's thermal requirements.

Q: What is the significance of epoxy sealed terminals? A: Epoxy sealed terminals provide environmental protection against moisture and contamination. All listed substitutes include this feature, maintaining the original's environmental sealing capability.

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