E3S-RS30B4-30 Equivalent & Substitute Parts

Part Overview

The E3S-RS30B4-30 is a retroreflective optical sensor manufactured by Omron Automation and Safety, designed for 300mm (11.811") sensing distance applications with PNP output configuration and selectable Dark-ON/Light-ON operation. This sensor operates with infrared light source (950nm) and is housed in a cable-connected package with IEC IP67 ingress protection rating.

The E3S-RS30B4-30 is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain system continuity and ensure availability for new installations or replacements in existing applications.

Key Parameters

Parameter	E3S-RS30B4-30
Sensing Method	Retroreflective
Sensing Distance	11.811" (300mm)
Output Configuration	PNP - Dark-ON/Light-ON - Selectable
Light Source	Infrared (950nm)
Response Time	1ms
Connection Method	Cable
Ingress Protection	IEC IP67
Operating Temperature	-25°C ~ 55°C
Adjustment Type	Single-Turn
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the E3S-RS30B4-30 is based on the following critical parameters that define functional equivalence:

Sensing Method: Retroreflective operation must be maintained
Output Configuration: PNP with Dark-ON/Light-ON selectable functionality
Response Time: 1ms performance requirement
Connection Method: Cable-based connection
Ingress Protection: Minimum IEC IP67 rating
Operating Temperature Range: -25°C ~ 55°C compatibility
Adjustment Type: Single-Turn adjustment capability

The E3ZM-B81T 2M qualifies as a substitute because it maintains retroreflective sensing method, PNP output with selectable Dark-ON/Light-ON operation, 1ms response time, cable connection, IEC IP67 ingress protection, and identical operating temperature range. The E3ZM-B81T 2M provides adjustable sensing distance (100mm ~ 500mm), which encompasses the fixed 300mm distance of the E3S-RS30B4-30, allowing configuration to match the original application requirements.

Parameter Comparison

Parameter	E3S-RS30B4-30	E3ZM-B81T 2M	Compatibility
Sensing Method	Retroreflective	Retroreflective	Match
Sensing Distance	11.811" (300mm)	3.937" ~ 19.685" (100mm ~ 500mm) ADJ	Compatible - 300mm within adjustable range
Output Configuration	PNP - Dark-ON/Light-ON - Selectable	PNP - Dark-ON/Light-ON - Selectable	Match
Light Source	Infrared (950nm)	Red (650nm)	Different - functional equivalence maintained
Response Time	1ms	1ms	Match
Connection Method	Cable	Cable	Match
Ingress Protection	IEC IP67	IEC IP67, IP69K	Compatible - E3ZM-B81T 2M exceeds requirement
Operating Temperature	-25°C ~ 55°C	-25°C ~ 55°C	Match
Adjustment Type	Single-Turn	Single-Turn	Match
Product Status	Obsolete	Active	Substitute is actively manufactured

Engineering Selection Recommendations

The E3ZM-B81T 2M is suitable as a substitute for the E3S-RS30B4-30 based on the following engineering criteria:

Product Status: The E3ZM-B81T 2M is classified as Active, ensuring continued availability and manufacturing support, whereas the E3S-RS30B4-30 is Obsolete.

Compliance and Certifications: The E3ZM-B81T 2M is RoHS Compliant, providing enhanced environmental compliance compared to the original part. Both parts share identical ECCN (EAR99) and HTSUS (8541.49.8000) classifications, maintaining regulatory consistency.

Functional Parameters: The E3ZM-B81T 2M maintains all critical functional parameters including retroreflective sensing, PNP output with selectable Dark-ON/Light-ON operation, 1ms response time, cable connection, and operating temperature range. The adjustable sensing distance (100mm ~ 500mm) accommodates the fixed 300mm requirement of the original application.

Environmental Protection: The E3ZM-B81T 2M provides enhanced ingress protection (IEC IP67 and IP69K) compared to the E3S-RS30B4-30 (IEC IP67 only), offering superior environmental sealing for demanding applications.

Frequently Asked Questions (FAQ)

Q: Can the E3ZM-B81T 2M directly replace the E3S-RS30B4-30 without modification?

A: The E3ZM-B81T 2M is functionally equivalent for retroreflective sensing applications. Both sensors share identical output configuration (PNP with selectable Dark-ON/Light-ON), response time (1ms), connection method (cable), and operating temperature range. The E3ZM-B81T 2M requires adjustment to the 300mm sensing distance during installation, as it provides adjustable range (100mm ~ 500mm) rather than fixed distance.

Q: What is the difference between the infrared (950nm) light source of the E3S-RS30B4-30 and the red (650nm) light source of the E3ZM-B81T 2M?

A: Both light sources are suitable for retroreflective sensing applications. The red light source (650nm) of the E3ZM-B81T 2M provides visible feedback during alignment and setup, whereas the infrared source (950nm) of the E3S-RS30B4-30 is invisible to the human eye. Both wavelengths are compatible with standard retroreflective targets and maintain equivalent sensing performance.

Q: Are there packaging differences between these sensors?

A: The E3S-RS30B4-30 packaging information is not specified in the available data. The E3ZM-B81T 2M is supplied in Box packaging. Both sensors use cable connection methods and are designed for industrial mounting applications.

Q: Does the E3ZM-B81T 2M require a specific supply voltage?

A: The E3ZM-B81T 2M operates with supply voltage range 10V ~ 30V. The E3S-RS30B4-30 supply voltage specification is not provided in the available data. Verify that the application power supply falls within the 10V ~ 30V range when implementing the E3ZM-B81T 2M as a substitute.

Q: What is the moisture sensitivity level for the E3ZM-B81T 2M?

A: The E3ZM-B81T 2M has Moisture Sensitivity Level (MSL) 1 (Unlimited), identical to the E3S-RS30B4-30, indicating no moisture-related storage or handling restrictions for either sensor.

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