C&K 1101M2S3CLE2 Slide Switch SPDT Equivalent & Substitute Parts

Part Overview

The C&K 1101M2S3CLE2 is a slide switch with SPDT (Single Pole Double Throw) configuration rated for 6A at 120V AC and 28V DC. This through-hole mounted component features a 5.08mm actuator length, gold-plated copper contacts, and polyamide actuator material. The part is classified as obsolete, necessitating identification of active equivalent and substitute components that maintain functional compatibility within specified electrical and mechanical parameters.

Key Parameters

Parameter	Value
Circuit Configuration	SPDT
Current Rating	6A (AC/DC)
Voltage Rating - AC	120V
Voltage Rating - DC	28V
Actuator Length	5.08mm
Switch Travel	2.16mm
Contact Material	Copper
Contact Finish	Gold
Mounting Type	Through Hole
Termination Style	PC Pin
Operating Temperature Range	-30°C to 65°C
Electrical Life	40,000 Cycles
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Primary Compatibility Criteria:

Circuit configuration (SPDT required)
Current rating (minimum 6A AC/DC for direct replacement)
Voltage rating (minimum 120V AC / 28V DC for direct replacement)
Actuator length (5.08mm preferred for mechanical fit)
Switch travel (2.16mm standard)
Mounting type (Through Hole)
Termination style (PC Pin)

Grouping Logic:

Group 1 - Direct Equivalent (Same Electrical Ratings): Parts with 6A at 120V AC / 28V DC ratings and matching mechanical dimensions. These provide full functional replacement without derating.

Group 2 - Reduced Rating Substitutes (Lower Electrical Ratings): Parts with lower current or voltage ratings (0.4VA at 20V or 3A at 125V AC). These are suitable only for applications operating below the original part's electrical specifications.

Group 3 - Actuator Length Variants (4.66mm): Parts with shorter actuator length (4.66mm instead of 5.08mm). These require mechanical clearance verification but maintain electrical compatibility where ratings align.

Parameter Comparison

Part Number	Manufacturer	Status	Current Rating	Voltage AC	Voltage DC	Actuator Length	Contact Finish	Operating Temp	Electrical Life	RoHS
1101M2S3CLE2	C&K	Obsolete	6A	120V	28V	5.08mm	Gold	-30°C to 65°C	40,000	ROHS3
1101M2S3CRE2	C&K	Active	6A	120V	28V	5.08mm	Gold	-30°C to 65°C	40,000	RoHS
500SSP1S1M2QEA	E-Switch	Active	5A	120V	28V	5.08mm	Silver	-30°C to 85°C	30,000	ROHS3
500SSP1S4M2QEA	E-Switch	Active	5A	120V	28V	4.66mm	Silver	-30°C to 85°C	30,000	ROHS3
48ASSP1S1M2RBT	Grayhill Inc.	Active	0.4VA	20V	20V	5.08mm	Gold	-30°C to 85°C	30,000	ROHS3
500SSP1S1M2REA	E-Switch	Active	0.4VA	20V	20V	5.08mm	Gold	-30°C to 85°C	30,000	ROHS3
500SSP1S4M2REA	E-Switch	Active	0.4VA	20V	20V	4.66mm	Gold	-30°C to 85°C	30,000	ROHS3
CS12ANW03	NKK Switches	Active	3A	125V	N/A	5.10mm	Silver	-30°C to 85°C	20,000	ROHS3
MSSA104D	TE Connectivity	Active	3A	115V	N/A	2.79mm	Silver	-20°C to 65°C	30,000	ROHS3
MSSA101DG	TE Connectivity	Active	0.4VA	20V	20V	2.79mm	Gold	-20°C to 65°C	30,000	N/A
MSSA111DG	TE Connectivity	Active	0.4VA	20V	20V	2.79mm	Gold	-20°C to 65°C	30,000	N/A

Engineering Selection Recommendations

Direct Replacement (Preferred): The C&K 1101M2S3CRE2 is the primary equivalent. It maintains identical electrical ratings (6A at 120V AC / 28V DC), matching actuator length (5.08mm), and equivalent mechanical specifications. Both parts are SPDT through-hole configurations with PC pin termination. The CRE2 variant is active and RoHS compliant, providing continuity for applications requiring the original performance envelope.

Reduced-Rating Substitutes (Application-Dependent): The E-Switch 500SSP1S1M2QEA provides 5A at 120V AC / 28V DC with matching 5.08mm actuator length. This part is suitable for applications where the circuit operates below 6A. The extended operating temperature range (-30°C to 85°C) and ROHS3 compliance support long-term reliability.

Low-Voltage Applications: For circuits operating at 20V or lower, the E-Switch 500SSP1S1M2REA (0.4VA at 20V) or Grayhill 48ASSP1S1M2RBT (0.4VA at 20V) are suitable. Both maintain the 5.08mm actuator length and through-hole mounting configuration.

Mechanical Constraint Scenarios: When space limitations require a shorter actuator (4.66mm), the E-Switch 500SSP1S4M2QEA (5A at 120V AC / 28V DC) or 500SSP1S4M2REA (0.4VA at 20V) provide electrical equivalence with reduced profile. Mechanical clearance must be verified in the target application.

Lower Current Applications: The NKK Switches CS12ANW03 (3A at 125V AC) and TE Connectivity MSSA104D (3A at 115V AC) are suitable for circuits rated at 3A or below. Both are active products with ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can the 1101M2S3CRE2 directly replace the obsolete 1101M2S3CLE2? A: Yes. The CRE2 variant is the direct equivalent with identical electrical ratings (6A at 120V AC / 28V DC), actuator length (5.08mm), and mechanical configuration. Both are SPDT through-hole switches with PC pin termination.

Q: What is the difference between the E-Switch 500SSP1S1M2QEA and 500SSP1S4M2QEA? A: The primary difference is actuator length. The S1 variant has a 5.08mm actuator, while the S4 variant has a 4.66mm actuator. Both provide 5A at 120V AC / 28V DC. Selection depends on available mechanical clearance in the application.

Q: Can I use a 0.4VA rated switch in place of the 6A rated original? A: Only if your circuit operates at 20V or lower and draws less than 0.4VA. The 0.4VA switches (such as 500SSP1S1M2REA or MSSA101DG) are not suitable for applications requiring the original 6A capacity.

Q: Are all substitute parts RoHS compliant? A: Most active substitutes are ROHS3 compliant. The TE Connectivity MSSA101DG and MSSA111DG are marked as "Not applicable" for RoHS status. Verify compliance requirements for your specific application before selection.

Q: Does actuator length affect electrical performance? A: No. Actuator length is a mechanical parameter affecting physical fit and switch travel distance. Electrical performance is determined by current rating, voltage rating, and contact material. Shorter actuators (4.66mm) require verification of mechanical clearance but do not degrade electrical function.

Q: What is the significance of contact finish (Gold vs. Silver)? A: Contact finish affects corrosion resistance and contact reliability. Gold-plated contacts provide superior corrosion resistance in humid or corrosive environments. Silver-plated contacts are suitable for standard industrial applications. Selection depends on environmental exposure.

Q: Can I substitute a part with a lower electrical life rating? A: Electrical life indicates cycle durability. Substituting a part with lower electrical life (e.g., 20,000 cycles vs. 40,000 cycles) is acceptable if the application cycle count remains below the substitute part's rating. Verify expected switch cycles in your application.

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