Phoenix Contact 2980157 SSR Relay SPST-NO 3A 3-33V Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 2980157 is a solid-state relay (SSR) module configured as SPST-NO (Single Pole Single Throw - Normally Open) with a 3A load capacity and 3V to 33V output voltage range. This component is designed for DIN rail mounting applications requiring DC switching control at 5VDC input. The 2980157 is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and new design implementations.

Substiute Parts

2980157

Phoenix ContactIn Stock: 8202980157 Datasheet

Current PartRFQ

2900375

Phoenix ContactIn Stock: 11702900375 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Phoenix Contact 2980157 is determined by strict equivalence across the following critical parameters:

• Circuit configuration: SPST-NO (1 Form A) topology
• Output type: DC switching
• Input control voltage: 5VDC
• Load voltage operating range: 3V to 33V minimum
• Load current capacity: 3A minimum
• Mounting interface: DIN Rail
• Termination method: Spring Terminal
• Package form factor: Module

The Phoenix Contact 2900375 satisfies all substitution criteria as a direct functional equivalent within the PLC series family.

Parameter Comparison

Engineering Selection Recommendations

The Phoenix Contact 2900375 is the direct functional substitute for the obsolete 2980157. Both components share identical electrical specifications, mechanical interfaces, and circuit topology. The 2900375 offers the advantage of active production status, ensuring long-term availability and supply chain continuity. The 2900375 meets ROHS3 compliance, representing current regulatory standards, while the 2980157 meets the earlier RoHS standard. From a compliance and availability perspective, the 2900375 is the appropriate selection for new designs and replacement applications.

Frequently Asked Questions (FAQ)

Q: Can the Phoenix Contact 2900375 directly replace the 2980157 in existing installations?

A: Yes. Both components are functionally identical across all critical electrical and mechanical parameters: SPST-NO circuit configuration, 5VDC input, 3V to 33V load voltage range, 3A load current, DIN rail mounting, and spring terminal termination. Physical form factor and pinout are equivalent.

Q: What is the primary reason for substitution?

A: The 2980157 is classified as obsolete. The 2900375 is an active production equivalent that provides identical functionality with current manufacturing and regulatory compliance.

Q: Are there differences in packaging between these parts?

A: The 2980157 is supplied in standard packaging, while the 2900375 is supplied in bulk packaging. Both are module form factors suitable for DIN rail installation. Packaging format does not affect electrical or mechanical compatibility.

Q: Does the series designation change affect compatibility?

A: No. The 2980157 belongs to the PLC-OSP series and the 2900375 belongs to the PLC-OPT series. Both are within the Phoenix Contact PLC relay family and share identical functional specifications. Series designation reflects product line organization, not functional differences.

Q: Are there compliance differences between the two parts?

A: Both parts are RoHS compliant. The 2900375 meets ROHS3, the current regulatory standard, while the 2980157 meets the earlier RoHS standard. The 2900375 is also REACH Affected, indicating compliance with current chemical substance regulations. These differences represent regulatory evolution, not functional incompatibility.