Phoenix Contact 2967921 SSR Relay SPST-NO Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 2967921 is a solid-state relay (SSR) module configured as SPST-NO (Single Pole Single Throw - Normally Open) with a 1 Form A circuit. This component is designed for DIN rail mounting and handles AC loads up to 750 mA across a voltage range of 24 V to 253 V, with 120VAC/DC input control voltage. The 2967921 is classified as obsolete, making identification of active equivalent parts essential for ongoing system maintenance and new designs.

Substiute Parts

2967921

Phoenix ContactIn Stock: 11442967921 Datasheet

Current PartRFQ

2900372

Phoenix ContactIn Stock: 7362900372 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete Phoenix Contact 2967921 is determined by strict equivalence across the following critical parameters:

• Circuit configuration: SPST-NO (1 Form A)
• Output type: AC
• Input voltage: 120VAC/DC
• Load voltage range: 24 V ~ 253 V
• Load current rating: 750 mA
• Mounting type: DIN Rail
• Termination style: Spring Terminal
• Package type: Module

The Phoenix Contact 2900372 satisfies all these requirements and is classified as an active product, making it a direct functional equivalent for the obsolete 2967921.

Parameter Comparison

Engineering Selection Recommendations

The Phoenix Contact 2900372 is the direct substitute for the obsolete 2967921. Both components share identical electrical and mechanical specifications across all critical parameters. The 2900372 is an active product with current manufacturing status and enhanced RoHS3 compliance, providing improved regulatory alignment for new designs and system upgrades. The transition from the PLC-OSP series to the PLC-OPT series represents a product line evolution while maintaining full functional equivalence. Both components carry EAR99 export classification and identical HTSUS coding, confirming their interchangeability in supply chain and regulatory contexts.

Frequently Asked Questions (FAQ)

Q: Can the Phoenix Contact 2900372 directly replace the 2967921 in existing installations?

A: Yes. The 2900372 is electrically and mechanically equivalent to the 2967921 across all specified parameters, including circuit configuration, voltage ratings, current capacity, mounting type, and termination style.

Q: What is the difference between the PLC-OSP and PLC-OPT series?

A: The PLC-OPT series represents the active product line evolution from the obsolete PLC-OSP series. The 2900372 (PLC-OPT) maintains full functional equivalence to the 2967921 (PLC-OSP) while offering current manufacturing availability and enhanced RoHS3 compliance.

Q: Are there any compliance differences between these parts?

A: Both components are RoHS compliant. The 2900372 carries ROHS3 certification, representing an updated compliance standard. The 2900372 is also REACH Affected, indicating compliance with additional regulatory requirements. Both share identical ECCN and HTSUS classifications.

Q: What is the MSL rating, and does it affect substitution?

A: Both components carry MSL Rating 1 (Unlimited), indicating no moisture sensitivity limitations. This parameter does not affect substitution eligibility.

Q: Can these relays be used interchangeably in new designs?

A: Yes. The 2900372 is recommended for new designs due to its active product status and enhanced compliance certifications. The electrical and mechanical specifications are identical, ensuring seamless integration into applications previously designed for the 2967921.