GS-3S Equivalent & Substitute Parts Reference

Part Overview

The GS-3S is an inductive proximity sensor manufactured by Panasonic Industrial Automation Sales, designed for cylindrical mounting with a 0.8mm sensing distance and cable lead termination. This sensor operates in the unshielded configuration and is rated for IP67 ingress protection across an operating temperature range of -10°C to 60°C. The product is currently classified as obsolete, making identification of functionally equivalent alternatives essential for system maintenance and component procurement.

Substiute Parts

GS-3S

Panasonic Industrial Automation SalesIn Stock: 878GS-3S Datasheet

Current PartRFQ

GH-3SE

Panasonic Industrial Automation SalesIn Stock: 942GH-3SE Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The GS-3S has been identified with one substitute part: GH-3SE. Substitution eligibility is determined by the following critical parameters:

• Sensor Type: Both parts are inductive proximity sensors
• Package / Case: Both utilize cylindrical form factor
• Material - Body: Both feature stainless steel construction
• Termination Style: Both employ cable lead termination
• Shielding Configuration: Both are unshielded
• Operating Temperature Range: Both operate across -10°C to 60°C
• Ingress Protection Rating: Both maintain IP67 rating
• RoHS Compliance: Both meet environmental compliance standards

The GH-3SE represents an active product with enhanced specifications, including integrated output circuitry (NPN-NC/NO, 3-Wire) and increased sensing distance capability (1.8mm versus 0.8mm).

Parameter Comparison

Engineering Selection Recommendations

The GH-3SE is the designated substitute for the obsolete GS-3S. Both sensors maintain identical environmental ratings (IP67, -10°C to 60°C operating range) and physical form factors (stainless steel cylinder with cable leads). The GH-3SE carries active product status with ROHS3 compliance, ensuring continued availability and regulatory alignment.

The primary functional difference lies in output configuration: the GS-3S requires external amplification, while the GH-3SE integrates NPN-NC/NO switching logic with 3-wire output and operates on 12V to 24V supply. The GH-3SE also provides increased sensing distance (1.8mm versus 0.8mm) and specified response frequency (3.3kHz).

Selection of the GH-3SE is appropriate for applications where the increased sensing distance and integrated output circuitry are compatible with system requirements. Applications requiring the exact 0.8mm sensing distance of the original GS-3S may require evaluation of alternative sensor families.

Frequently Asked Questions (FAQ)

Q: Can the GH-3SE directly replace the GS-3S in existing installations?

A: Direct mechanical replacement is feasible due to identical cylindrical form factor and cable lead termination. However, the GH-3SE's integrated output stage (NPN-NC/NO, 3-Wire) differs from the GS-3S requirement for external amplification. System integration must account for this output configuration change and the increased sensing distance (1.8mm versus 0.8mm).

Q: What is the significance of the sensing distance difference between these parts?

A: The GS-3S operates at 0.8mm sensing distance, while the GH-3SE operates at 1.8mm. This parameter defines the maximum distance at which the sensor detects ferrous metal targets. Applications with tight spatial constraints or requiring detection at the 0.8mm specification may not be compatible with the GH-3SE's extended range.

Q: Are both sensors suitable for IP67-rated environments?

A: Yes. Both the GS-3S and GH-3SE maintain IP67 ingress protection ratings and operate across the identical temperature range (-10°C to 60°C), making them suitable for equivalent environmental conditions.

Q: What is the difference between RoHS and ROHS3 compliance?

A: Both certifications indicate restriction of hazardous substances. The GH-3SE carries ROHS3 compliance, representing the current regulatory standard, while the GS-3S carries RoHS Compliant status. Both meet environmental compliance requirements for their respective product lifecycles.

Q: Does packaging format affect substitution eligibility?

A: Packaging format (Box for GH-3SE versus unspecified for GS-3S) does not affect functional substitution. Packaging relates to procurement and storage logistics rather than sensor performance or compatibility.