Phoenix Contact 2834041 General Purpose Relay DPDT 110VDC

Part Overview

The Phoenix Contact 2834041 is a general purpose relay with DPDT (2 Form C) contact configuration, rated for 10A at 110VDC coil voltage. This socketable relay features a diode, lighted indicator, and test button, with plug-in termination. The part is currently obsolete, with 673 units available in new original stock. Due to its obsolete status, identifying equivalent substitute parts is necessary for ongoing system maintenance and new design implementations.

Substiute Parts

2834041

Phoenix ContactIn Stock: 7362834041 Datasheet

Current PartRFQ

2903663

Phoenix ContactIn Stock: 11802903663 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The Phoenix Contact 2903663 qualifies as a direct substitute based on the following critical parameters:

Matching Parameters:

• Contact form: DPDT (2 Form C) — identical switching configuration
• Coil voltage: 110VDC — same operating voltage
• Mounting type: Socketable — compatible mechanical interface
• Termination style: Plug In — compatible connection method
• Switching voltage: 250VAC, 250VDC - Max — equivalent voltage rating
• Features: Diode, Lighted Indicator, Test Button — identical functional features
• Coil type: Non Latching — same operational behavior

Allowable Variations:

• Contact rating increased from 10A to 12A — higher current capacity is acceptable for applications requiring 10A
• Coil current reduced from 10 mA to 8 mA — lower power consumption is acceptable
• Operating temperature range: -40°C ~ 70°C (versus -55°C ~ 70°C) — narrower range acceptable for most applications
• Contact material: Silver Nickel (AgNi) versus Silver (Ag) — both suitable for general purpose switching
• Coil resistance: 13.8 kOhms versus 11.1 kOhms — within acceptable tolerance for relay operation

The 2903663 is an active product with higher inventory availability (1110 units), making it the preferred substitute for the obsolete 2834041.

Parameter Comparison

Engineering Selection Recommendations

The Phoenix Contact 2903663 is the appropriate substitute for the obsolete 2834041 based on product status and compliance certifications. The 2903663 is an active product with current manufacturing support, ensuring long-term availability and supply chain continuity. Both parts maintain RoHS compliance, with the 2903663 carrying current RoHS certification status.

The 2903663 provides enhanced electrical performance through increased contact current rating (12A versus 10A) and reduced coil current draw (8 mA versus 10 mA), resulting in lower power consumption. The socketable mounting and plug-in termination are identical, ensuring direct mechanical compatibility without redesign.

For applications operating below -40°C, the narrower operating temperature range of the 2903663 must be evaluated against specific system requirements. In standard industrial environments within the -40°C to 70°C range, the substitute part is fully compatible.

Frequently Asked Questions (FAQ)

Q: Can the 2903663 directly replace the 2834041 in existing sockets?

A: Yes. Both relays feature identical socketable mounting and plug-in termination, allowing direct mechanical and electrical replacement without modification to the relay base or wiring.

Q: What is the significance of the increased 12A contact rating on the 2903663?

A: The 2903663 is rated for 12A, exceeding the 10A requirement of the 2834041. This higher rating provides additional margin for applications operating at or near the 10A threshold and does not create compatibility issues for lower current applications.

Q: Are there temperature range limitations with the 2903663?

A: The 2903663 operates from -40°C to 70°C, compared to the 2834041's -55°C to 70°C range. For applications requiring operation below -40°C, the lower temperature limit must be verified against system specifications.

Q: How do the coil current differences affect system design?

A: The 2903663 draws 8 mA versus the 2834041's 10 mA, representing a 20% reduction in coil power consumption. This lower current requirement may reduce heat generation and improve overall system efficiency without affecting relay functionality.

Q: What is the difference between Silver (Ag) and Silver Nickel (AgNi) contact materials?

A: Both materials are suitable for general purpose switching applications. Silver Nickel provides enhanced wear resistance and is commonly used in modern relay designs. For standard switching applications, both contact materials are functionally equivalent.

Q: Is the 2903663 available for immediate procurement?

A: Yes. The 2903663 is an active product with 1110 units in new original stock, providing immediate availability compared to the obsolete 2834041.