Phoenix Contact 2826509 General Purpose Relay - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 2826509 is a general purpose relay with SPST-NC (1 Form B) contact configuration, rated for 6A at 230VAC coil voltage. This socketable relay is designed for standard switching applications requiring single-pole, single-throw normally closed contacts. The product is currently obsolete, making identification of compatible substitute parts essential for system maintenance and component replacement in existing installations.

Substiute Parts

2826509

Phoenix ContactIn Stock: 8712826509 Datasheet

Current PartRFQ

2900305

Phoenix ContactIn Stock: 14092900305 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Phoenix Contact 2826509 is determined by the following critical parameters:

Electrical Compatibility Requirements:

• Coil voltage: 230VAC or 230VAC/DC dual-rated
• Contact current rating: minimum 6A
• Switching voltage: 250VAC and 250VDC maximum capability
• Coil type: Non-latching operation

Mechanical Compatibility Requirements:

• Mounting configuration must accommodate socketable or DIN rail installation in existing circuit designs
• Termination style: Plug-in or spring terminal connections
• Operating temperature range must encompass -20°C to 50°C minimum

Regulatory Compliance:

• RoHS compliance status (RoHS or ROHS3)
• ECCN classification: EAR99

The Phoenix Contact 2900305 qualifies as a substitute based on matching electrical ratings (6A, 230VAC/DC coil, 250VAC/250VDC switching), non-latching coil type, and regulatory compliance. However, the contact form differs from the original part (SPDT vs. SPST-NC), and mounting type transitions from socketable to DIN rail, requiring circuit design verification.

Parameter Comparison

Engineering Selection Recommendations

The Phoenix Contact 2900305 provides electrical substitution for the obsolete 2826509 based on matching coil voltage (230VAC/DC rated), contact current rating (6A), and switching voltage specifications (250VAC/250VDC maximum). Both relays maintain non-latching coil operation and comply with RoHS regulations.

Selection of the 2900305 requires verification of the following circuit-level factors:

Contact Configuration Change: The 2900305 provides SPDT (1 Form C) contacts versus the original SPST-NC (1 Form B) configuration. Applications requiring single-pole, single-throw normally closed operation must evaluate whether the additional contact form can be accommodated or if only one contact pair will be utilized.

Mounting and Termination Transition: The 2900305 uses DIN rail mounting with spring terminal connections, replacing the socketable plug-in configuration of the 2826509. Mechanical integration into existing socket-based installations requires adapter solutions or circuit board redesign.

Coil Current Reduction: The 2900305 operates at 3.2 mA coil current compared to 5 mA for the original part, reducing control circuit power consumption and potentially improving driver compatibility.

Timing Characteristics: The 2900305 exhibits faster operate time (7 ms vs. 10 ms) and slightly longer release time (15 ms vs. 10 ms). Applications with strict timing requirements must validate these differences against system specifications.

Regulatory Status: The 2900305 carries ROHS3 compliance and REACH affected status, meeting current environmental regulations for new component procurement.

Frequently Asked Questions (FAQ)

Q: Can the Phoenix Contact 2900305 directly replace the 2826509 in existing installations?

A: Electrical substitution is possible based on matching coil voltage, contact current rating, and switching voltage specifications. However, mechanical integration requires assessment of mounting type compatibility (socketable vs. DIN rail) and termination style differences (plug-in vs. spring terminal). Contact form differences (SPDT vs. SPST-NC) must be evaluated for application requirements.

Q: What are the key electrical parameters that determine substitution compatibility?

A: Coil voltage (230VAC or 230VAC/DC rated), contact current rating (minimum 6A), switching voltage capability (250VAC and 250VDC maximum), and non-latching coil operation are the primary electrical criteria. Both the 2826509 and 2900305 meet these specifications.

Q: Does the 2900305 provide additional contact configurations compared to the original part?

A: Yes. The 2900305 provides SPDT (1 Form C) configuration with two independent contact pairs, compared to the SPST-NC (1 Form B) single-pole, single-throw normally closed contacts of the 2826509. Applications requiring only single-pole operation can utilize one contact pair, leaving the second pair unused.

Q: Are there timing differences between these relays that affect system performance?

A: The 2900305 operates faster (7 ms operate time vs. 10 ms) and has slightly longer release time (15 ms vs. 10 ms). Applications with timing-critical switching requirements must validate these differences against system specifications.

Q: What mounting considerations apply when transitioning from the 2826509 to the 2900305?

A: The 2826509 uses socketable mounting with plug-in termination, while the 2900305 requires DIN rail mounting with spring terminal connections. Existing socket-based installations require mechanical adaptation or circuit redesign to accommodate the different mounting method.

Q: Are both relays compliant with current environmental regulations?

A: The 2826509 is RoHS Compliant. The 2900305 is ROHS3 Compliant and REACH Affected, meeting current environmental standards for new component procurement. Both carry EAR99 ECCN classification.

Q: What is the coil current difference, and does it affect control circuit design?

A: The 2900305 operates at 3.2 mA coil current compared to 5 mA for the 2826509. This 36% reduction in coil current may improve driver compatibility and reduce control circuit power consumption, potentially allowing use of lower-rated control components.