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WLCA2 Equivalent & Substitute Parts
Part Overview
The WLCA2 is a snap action switch manufactured by Omron Automation and Safety, configured as a single-pole double-throw (SPDT) device with a side rotary roller actuator. Rated for 10A at 125V AC and 6A at 30V DC, this switch is designed for chassis mount applications requiring IP67 ingress protection. The WLCA2 is classified as obsolete, making identification of active equivalent parts essential for ongoing procurement and system maintenance.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Circuit Configuration | SPDT (DB/DM) |
| Current Rating (AC) | 10A |
| Current Rating (DC) | 6A |
| Voltage Rating (AC) | 125V |
| Voltage Rating (DC) | 30V |
| Actuator Type | Side Rotary, Roller |
| Mounting Type | Chassis Mount |
| Termination Style | Screw Terminal |
| Ingress Protection | IP67 - Dust Tight, Waterproof |
| Operating Temperature Range | -10°C to 80°C |
| Electrical Life | 750,000 Cycles |
| Mechanical Life | 15,000,000 Cycles |
Substitute Part Grouping Explanation
The WLCA2-N qualifies as a direct substitute based on identical electrical and mechanical specifications across all critical parameters. Substitution is valid when the following conditions are met:
- Circuit configuration remains SPDT (DB/DM)
- Current ratings match or exceed 10A AC and 6A DC
- Voltage ratings match or exceed 125V AC and 30V DC
- Actuator type is side rotary with roller mechanism
- Mounting configuration is chassis mount with screw terminals
- Ingress protection rating is IP67 or higher
- Operating temperature range encompasses -10°C to 80°C
- Electrical and mechanical life ratings meet or exceed specified values
The WLCA2-N meets all these criteria and is classified as an active product, making it suitable for direct replacement in applications currently using the obsolete WLCA2.
Parameter Comparison
| Parameter | WLCA2 | WLCA2-N | Compatibility |
|---|---|---|---|
| Circuit Configuration | SPDT (DB/DM) | SPDT (DB/DM) | Identical |
| Switch Function | On-Mom | On-Mom | Identical |
| Current Rating (AC) | 10A | 10A | Identical |
| Current Rating (DC) | 6A | 6A | Identical |
| Voltage Rating (AC) | 125V | 125V | Identical |
| Voltage Rating (DC) | 30V | 30V | Identical |
| Actuator Type | Side Rotary, Roller | Side Rotary, Roller | Identical |
| Mounting Type | Chassis Mount | Chassis Mount | Identical |
| Termination Style | Screw Terminal | Screw Terminal | Identical |
| Ingress Protection | IP67 | IP67 | Identical |
| Operating Temperature | -10°C to 80°C | -10°C to 80°C | Identical |
| Electrical Life | 750,000 Cycles | 750,000 Cycles | Identical |
| Mechanical Life | 15,000,000 Cycles | 15,000,000 Cycles | Identical |
| Product Status | Obsolete | Active | WLCA2-N is current production |
| RoHS Status | Not specified | ROHS3 Compliant | WLCA2-N meets current compliance |
| REACH Status | Vendor Undefined | REACH Unaffected | WLCA2-N has defined compliance |
Engineering Selection Recommendations
The WLCA2-N is the appropriate substitute for the obsolete WLCA2. Both parts share identical electrical ratings, mechanical specifications, and physical form factors. The WLCA2-N carries active product status with ROHS3 compliance and defined REACH status, providing assurance of continued availability and regulatory alignment. Selection of WLCA2-N eliminates obsolescence risk while maintaining full functional equivalence in existing circuit designs and mechanical assemblies.
Frequently Asked Questions (FAQ)
Q: Can WLCA2-N be used as a direct replacement for WLCA2?
A: Yes. The WLCA2-N is electrically and mechanically identical to the WLCA2 across all specified parameters, including current ratings, voltage ratings, actuator type, mounting configuration, and ingress protection rating.
Q: What is the primary difference between WLCA2 and WLCA2-N?
A: The WLCA2 is obsolete, while WLCA2-N is an active product. WLCA2-N includes ROHS3 compliance certification and defined REACH status, whereas the original WLCA2 has vendor-undefined compliance documentation.
Q: Are there packaging differences between these parts?
A: The WLCA2 is supplied in standard packaging, while WLCA2-N is supplied in bulk packaging. Both configurations contain identical switch components.
Q: Do the mechanical operating characteristics differ?
A: Operating force is 1360gf for both parts. Release force differs slightly: WLCA2 specifies 227gf while WLCA2-N specifies 120gf. Overtravel differs: WLCA2 specifies 30° while WLCA2-N specifies 70°. These variations remain within the functional envelope of the SPDT snap action switch design.
Q: What certifications apply to WLCA2-N?
A: WLCA2-N is ROHS3 compliant and REACH unaffected. The original WLCA2 has vendor-undefined REACH status.
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