Phoenix Contact 2903280 General Purpose Relay DPDT 120VAC - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 2903280 is a general purpose relay with DPDT (2 Form C) contact configuration, designed for 120VAC coil operation on DIN rail mounting. This relay features a 9A contact rating, lighted indicator, socket inclusion, and varistor protection. The product is currently obsolete, making identification of suitable substitute components essential for system maintenance and replacement applications.

Substiute Parts

2903280

Phoenix ContactIn Stock: 10812903280 Datasheet

Current PartRFQ

2903277

Phoenix ContactIn Stock: 8372903277 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Phoenix Contact 2903280 is determined by the following critical parameters:

• Coil voltage: 120VAC (exact match required)
• Mounting type: DIN Rail (form factor compatibility)
• Coil current: 24 mA (drive circuit compatibility)
• Contact material: Silver Nickel (AgNi) (electrical performance consistency)
• Operating temperature range: -40°C ~ 40°C (environmental compatibility)
• Switching voltage capability: 440VAC, 250VDC - Max (load compatibility)
• Termination style: Spring Terminal (installation compatibility)
• Series: RIF (product family consistency)

The Phoenix Contact 2903277 qualifies as a substitute component. While it differs in contact form (3PDT vs. DPDT) and contact rating (8A vs. 9A), these variations remain within acceptable substitution parameters for applications where the higher contact count and slightly lower current rating do not create functional conflicts.

Parameter Comparison

Engineering Selection Recommendations

The Phoenix Contact 2903277 is available as an active product with current manufacturing status and ROHS3 compliance certification, providing supply chain continuity for applications requiring replacement of the obsolete 2903280 model. Both components share identical coil voltage, coil current, switching voltage capability, operating temperature range, and termination methodology, ensuring compatibility with existing drive circuits and installation infrastructure.

The primary distinction between these components is the contact configuration: the 2903277 provides 3PDT (3 Form C) switching capability with an 8A contact rating, compared to the 2903280's DPDT (2 Form C) configuration with 9A rating. Selection between these components depends on circuit requirements for the number of independent switching poles and maximum current per contact.

Frequently Asked Questions (FAQ)

Q: Can the Phoenix Contact 2903277 directly replace the 2903280 in all applications?

A: Direct replacement is possible only when circuit design accommodates the 3PDT contact configuration and 8A contact rating. Applications requiring exactly 2 Form C contacts or exceeding 8A per contact require alternative solutions.

Q: Are the coil drive requirements identical between these relays?

A: Yes. Both components operate at 120VAC with 24 mA coil current, allowing use of identical drive circuits without modification.

Q: What is the significance of the contact form difference?

A: DPDT (2 Form C) provides two independent changeover contacts. 3PDT (3 Form C) provides three independent changeover contacts. The 2903277 offers additional switching capability but requires circuit design compatibility.

Q: Do these relays share the same DIN rail mounting footprint?

A: Both components use DIN rail mounting with spring terminal connections, ensuring mechanical compatibility within standard DIN rail enclosures.

Q: What compliance certifications apply to each component?

A: The 2903280 carries RoHS Compliant certification. The 2903277 carries ROHS3 Compliant certification, representing current regulatory compliance standards.

Q: Are socket and indicator features consistent across both models?

A: Yes. Both the 2903280 and 2903277 include lighted indicator functionality, socket inclusion, and varistor protection.