M2022SS1G40 Toggle Switch DPDT Equivalent & Substitute Parts

Part Overview

The M2022SS1G40 is a DPDT toggle switch manufactured by NKK Switches, designed for panel mount applications with right angle vertical orientation. This part operates at 0.4VA across 28V AC/DC with a circular 6.50mm panel cutout and 1/4-40 bushing thread. The product is classified as obsolete, making identification of equivalent substitute parts essential for ongoing system maintenance and new design implementations where this switch type is required.

Key Parameters

Parameter	Value
Manufacturer Part Number	M2022SS1G40
Manufacturer	NKK Switches
Circuit Configuration	DPDT
Switch Function	On-On
Current Rating	0.4VA (AC/DC)
Voltage Rating - AC	28 V
Voltage Rating - DC	28 V
Mounting Type	Panel Mount, Right Angle, Vertical
Actuator Type	Standard Round
Actuator Length	10.50mm
Termination Style	PC Pin
Panel Cutout Dimensions	Circular - 6.50mm Dia
Bushing Thread	1/4-40
Operating Temperature Range	-30°C ~ 85°C
Electrical Life	50,000 Cycles
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the M2022SS1G40 are identified based on the following critical parameters that determine functional and mechanical compatibility:

Primary Compatibility Criteria:

Circuit configuration (DPDT)
Switch function (On-On)
Mounting type (Panel Mount, Right Angle, Vertical)
Termination style (PC Pin)
Bushing thread specification (1/4-40)
Actuator type (Standard Round)

Secondary Compatibility Criteria:

Current rating tolerance (0.4VA minimum)
Voltage rating (28V AC/DC or higher)
Panel cutout dimensions (circular, 6.50mm or compatible)
Operating temperature range overlap
Electrical life rating

The identified substitute parts meet these criteria with the following variations noted in the parameter comparison table.

Parameter Comparison

Parameter	M2022SS1G40 (NKK)	34ADP11B1M7RT (Grayhill)	A223S1YAV2B (Electroswitch)
Circuit Configuration	DPDT	DPDT	DPDT
Switch Function	On-On	On-On	On-On
Current Rating (VA)	0.4	0.4	0.5
Voltage Rating - AC (V)	28	20	28
Voltage Rating - DC (V)	28	20	28
Mounting Type	Panel Mount, Right Angle, Vertical	Panel Mount, Right Angle, Vertical	Panel Mount, Right Angle, Vertical
Actuator Type	Standard Round	Standard Round	Standard Round
Actuator Length (mm)	10.50	10.41	10.41
Termination Style	PC Pin	PC Pin	PC Pin
Panel Cutout Dimensions	Circular - 6.50mm Dia	Circular - 6.35mm Dia	Not Specified
Bushing Thread	1/4-40	1/4-40	1/4-40
Operating Temperature Range	-30°C ~ 85°C	-30°C ~ 85°C	-30°C ~ 90°C
Electrical Life (Cycles)	50,000	40,000	60,000
Product Status	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant

Engineering Selection Recommendations

34ADP11B1M7RT (Grayhill Inc.): This substitute operates at a reduced voltage rating of 20V AC/DC compared to the 28V specification of the M2022SS1G40. Selection of this part is appropriate only for applications where the actual operating voltage does not exceed 20V. The electrical life rating of 40,000 cycles is lower than the original part. This part maintains ROHS3 compliance and active product status, supporting long-term availability.

A223S1YAV2B (Electroswitch): This substitute provides a higher current rating of 0.5VA and extended electrical life of 60,000 cycles. It maintains the 28V AC/DC voltage specification matching the original part and operates across an extended temperature range of -30°C to 90°C. RoHS compliance is confirmed. The panel cutout dimensions are not specified in available documentation. This part is currently active in production, ensuring supply chain continuity.

Both substitute parts share the critical mechanical and electrical characteristics required for DPDT On-On toggle switch functionality in panel mount applications with PC pin termination and 1/4-40 bushing threads.

Frequently Asked Questions (FAQ)

Q: Can the 34ADP11B1M7RT be used as a direct replacement for the M2022SS1G40?

A: The 34ADP11B1M7RT is mechanically and functionally compatible as a DPDT On-On toggle switch with matching mounting and termination specifications. However, its voltage rating of 20V AC/DC is lower than the original 28V specification. Use this substitute only in applications where the actual operating voltage does not exceed 20V.

Q: What are the key differences between the A223S1YAV2B and the original M2022SS1G40?

A: The A223S1YAV2B maintains the 28V AC/DC voltage rating and DPDT On-On configuration. Primary differences include a higher current rating (0.5VA vs 0.4VA), extended electrical life (60,000 vs 50,000 cycles), and an extended operating temperature range (-30°C to 90°C vs -30°C to 85°C). Panel cutout dimensions for the A223S1YAV2B are not specified.

Q: Are both substitute parts RoHS compliant?

A: Yes. The 34ADP11B1M7RT is ROHS3 compliant. The A223S1YAV2B is RoHS compliant. Both parts meet regulatory requirements for hazardous substance restrictions.

Q: What is the significance of the panel cutout dimension difference between the M2022SS1G40 and 34ADP11B1M7RT?

A: The M2022SS1G40 specifies a 6.50mm circular panel cutout, while the 34ADP11B1M7RT specifies 6.35mm. This 0.15mm difference may require panel modification or verification of mechanical fit during installation.

Q: Which substitute part offers the longest operational life?

A: The A223S1YAV2B provides the highest electrical life rating at 60,000 cycles, compared to 50,000 cycles for the original M2022SS1G40 and 40,000 cycles for the 34ADP11B1M7RT.

Q: Are the actuator lengths compatible between the original and substitute parts?

A: The M2022SS1G40 has an actuator length of 10.50mm, while both substitute parts specify 10.41mm. This 0.09mm difference is within typical manufacturing tolerances for toggle switch actuators and should not affect functional compatibility in standard panel mount applications.

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