GX-M8B-P-Z Inductive Proximity Sensor - Equivalent & Substitute Parts

Part Overview

The GX-M8B-P-Z is an inductive proximity sensor manufactured by Panasonic Industrial Automation Sales, designed for non-contact detection applications requiring a 1.5mm sensing distance. This M8 cylindrical threaded sensor operates with PNP-NC output configuration and is suitable for industrial automation environments requiring IP67 ingress protection.

The GX-M8B-P-Z is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain system functionality, ensure supply chain continuity, and support ongoing maintenance and replacement requirements for existing installations.

Substiute Parts

GX-M8B-P-Z

Panasonic Industrial Automation SalesIn Stock: 924GX-M8B-P-Z Datasheet

Current PartRFQ

GX-308M-B-P-J

Panasonic Industrial Automation SalesIn Stock: 976GX-308M-B-P-J Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The GX-308M-B-P-J qualifies as a functional substitute for the GX-M8B-P-Z based on the following critical parameters:

Matching Parameters:

• Sensor Type: Both are inductive proximity sensors
• Output Type: Both provide PNP-NC, 3-Wire configuration
• Shielding: Both are shielded designs
• Package / Case: Both use Cylinder, Threaded - M8 form factor
• Ingress Protection: Both meet IP67 specification
• RoHS Status: Both are RoHS Compliant

Allowable Variations:

• Sensing Distance: GX-308M-B-P-J operates at 0.047" (1.2mm) versus 1.5mm on the original part. This represents a 0.3mm reduction in detection range.
• Response Frequency: GX-308M-B-P-J operates at 2kHz versus 5kHz on the original part.
• Voltage Supply: GX-308M-B-P-J accepts 10V ~ 30V, providing broader input voltage tolerance than the 12V ~ 24V specification of the original part.
• Operating Temperature: GX-308M-B-P-J operates across -40°C ~ 85°C, extending the temperature range beyond the original -25°C ~ 70°C specification.
• Material - Body: GX-308M-B-P-J uses Stainless Steel versus Nickel-Plated Brass on the original part.
• Termination Style: GX-308M-B-P-J uses Cable with Connector versus Connector on the original part.

Parameter Comparison

Engineering Selection Recommendations

The GX-308M-B-P-J is an active product from Panasonic Industrial Automation Sales and represents the current generation replacement for the obsolete GX-M8B-P-Z. Both parts maintain RoHS compliance and share the same M8 cylindrical threaded mechanical interface.

Selection of the GX-308M-B-P-J as a substitute requires verification that the following parameter differences are acceptable for the target application:

• The reduced sensing distance of 1.2mm versus 1.5mm may require adjustment of component positioning or detection gap tolerances.
• The lower response frequency of 2kHz versus 5kHz may impact applications requiring rapid detection cycling.
• The extended voltage supply range of 10V ~ 30V provides greater flexibility in power supply selection compared to the original 12V ~ 24V specification.
• The extended operating temperature range of -40°C ~ 85°C provides enhanced performance in extreme thermal environments.
• The stainless steel body material of the GX-308M-B-P-J offers improved corrosion resistance compared to the nickel-plated brass body of the original part.
• The cable with connector termination style of the GX-308M-B-P-J differs from the connector-only termination of the original part and may require integration adjustments.

Frequently Asked Questions (FAQ)

Q: Can the GX-308M-B-P-J directly replace the GX-M8B-P-Z without any modifications?

A: Both sensors share identical M8 cylindrical threaded mechanical form factors and PNP-NC output configurations. However, the GX-308M-B-P-J includes an integrated cable with connector, whereas the GX-M8B-P-Z uses a connector-only termination. Integration compatibility depends on the existing wiring harness and connector interface in your system.

Q: What is the impact of the reduced sensing distance on system performance?

A: The GX-308M-B-P-J operates at 1.2mm sensing distance compared to 1.5mm on the GX-M8B-P-Z. This 0.3mm reduction requires that target objects be positioned closer to the sensor face. Applications with fixed detection gaps must be evaluated to ensure the reduced range remains within acceptable tolerances.

Q: Are there any compliance or certification differences between these parts?

A: Both the GX-M8B-P-Z and GX-308M-B-P-J are RoHS Compliant. The GX-308M-B-P-J provides additional ingress protection ratings of IP67G and IP69K beyond the IP67 specification of the original part, offering enhanced environmental sealing capabilities.

Q: How do the response frequency differences affect application suitability?

A: The GX-308M-B-P-J operates at 2kHz response frequency versus 5kHz on the GX-M8B-P-Z. Applications requiring detection of rapidly moving objects or high-speed switching cycles should evaluate whether the lower response frequency meets cycle time requirements.

Q: What material differences exist between the sensor bodies?

A: The GX-M8B-P-Z uses a nickel-plated brass body, while the GX-308M-B-P-J uses stainless steel. Stainless steel provides superior corrosion resistance in harsh or chemically aggressive environments, making the GX-308M-B-P-J suitable for applications requiring enhanced durability.

Q: Is the extended voltage supply range of the GX-308M-B-P-J an advantage?

A: The GX-308M-B-P-J accepts 10V ~ 30V input voltage compared to 12V ~ 24V on the GX-M8B-P-Z. The broader voltage tolerance provides greater flexibility in power supply selection and may improve compatibility with variable or unregulated power sources.