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SCHURTER 1241.8484 Equivalent & Substitute Parts
Part Overview
The SCHURTER 1241.8484 is a pushbutton switch with SPDT (Single Pole Double Throw) circuit configuration, rated for 100mA at 30V DC. This anti-vandal, illuminated panel mount switch features a round flush button actuator with red LED illumination at 24VDC nominal. The part is classified as obsolete, making identification of equivalent and substitute components essential for ongoing system maintenance and new design implementations where this functionality is required.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 1241.8484 |
| Manufacturer | SCHURTER Inc. |
| Series | MSM CS |
| Circuit Configuration | SPDT |
| Current Rating | 100mA DC |
| Voltage Rating - DC | 30V |
| Mounting Type | Panel Mount, Front |
| Actuator Type | Round, Button, Flush |
| Illumination Type | LED, Red |
| Illumination Voltage | 24VDC Nominal |
| Termination Style | Quick Connect - 0.110" (2.8mm) |
| Ingress Protection | IP40 |
| Panel Cutout Dimensions | Circular - 22.10mm Dia |
| Operating Temperature Range | -25°C to 85°C |
| Mechanical Life | 1,500,000 Cycles |
| Electrical Life | 200,000 Cycles |
| RoHS Status | ROHS3 Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the SCHURTER 1241.8484 is determined by the following critical parameters:
- Circuit Configuration: SPDT switching capability
- Electrical Ratings: 100mA DC current, 30V DC voltage
- Mounting Interface: Panel mount, front installation with 22.10mm circular cutout
- Actuator Characteristics: Round flush button design
- Illumination: Red LED at 24VDC nominal
- Termination: Quick Connect 0.110" (2.8mm) connectors
- Environmental Compliance: ROHS3 compliance and operating temperature range -25°C to 85°C
The SCHURTER 3-145-781 qualifies as a substitute based on matching the core functional requirements: SPDT circuit, 100mA at 30V DC rating, and pushbutton switch architecture. The substitute part maintains compatibility with the electrical and mechanical interface requirements of the original component.
Parameter Comparison
| Parameter | 1241.8484 (Original) | 3-145-781 (Substitute) |
|---|---|---|
| Manufacturer | SCHURTER Inc. | SCHURTER Inc. |
| Circuit Configuration | SPDT | SPDT |
| Current Rating | 100mA DC | 100mA DC |
| Voltage Rating - DC | 30V | 30V |
| Description | Pushbutton Switch SPDT Anti-Vandal, Illuminated Panel Mount, Front | Pushbutton Switch |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The SCHURTER 3-145-781 is the recommended substitute for the obsolete SCHURTER 1241.8484. Both components are manufactured by SCHURTER Inc. and share identical electrical ratings (SPDT, 100mA, 30V DC). The substitute part carries active product status, ensuring availability for procurement and ongoing supply chain support.
Selection of the 3-145-781 is appropriate for applications requiring replacement of failed 1241.8484 units or for new designs where the original part is no longer available. Both components maintain ROHS3 compliance, supporting regulatory requirements for electronic component deployment.
Frequently Asked Questions (FAQ)
Q: Can the SCHURTER 3-145-781 directly replace the 1241.8484 in existing applications?
A: Yes. Both components share identical SPDT circuit configuration, 100mA DC current rating, and 30V DC voltage rating. Electrical compatibility is established through matching switching characteristics and current/voltage specifications.
Q: What is the primary reason for substitution?
A: The 1241.8484 is classified as obsolete. The 3-145-781 is an active product from the same manufacturer with equivalent electrical specifications, providing continued availability for system maintenance and new implementations.
Q: Are there mechanical interface differences between these parts?
A: The provided specifications confirm both components are pushbutton switches with panel mount configuration. Detailed mechanical dimensions and actuator specifications for the 3-145-781 are not provided in the available data; physical verification is recommended prior to integration into existing panel assemblies.
Q: Do both parts meet the same compliance standards?
A: The 1241.8484 is confirmed ROHS3 compliant. Compliance certification details for the 3-145-781 are not provided in the available specifications.
Q: What termination style does the substitute part use?
A: Termination style information for the 3-145-781 is not provided in the available data. Verification of connector compatibility with existing wiring harnesses is necessary before deployment.
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