Phoenix Contact 2834546 General Purpose Relay DPDT 120VAC - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 2834546 is a general purpose relay with DPDT (Double Pole Double Throw) contact configuration, rated for 8A at 120VAC coil voltage. This relay features DIN rail mounting, screw terminal connections, and includes a lighted indicator with varistor protection. The product is currently obsolete, making identification of suitable substitute components essential for system maintenance and new designs requiring equivalent functionality.

Substiute Parts

2834546

Phoenix ContactIn Stock: 9082834546 Datasheet

Current PartRFQ

2903344

Phoenix ContactIn Stock: 11952903344 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Phoenix Contact 2834546 is determined by the following critical parameters that must remain consistent:

• Contact Form: DPDT (2 Form C) configuration is mandatory for electrical equivalence
• Coil Voltage: 120VAC is the primary control signal specification
• Mounting Type: DIN rail mounting ensures mechanical compatibility
• Termination Style: Screw terminal connections must be maintained for installation compatibility
• Relay Type: General purpose classification ensures functional equivalence

The substitute part Phoenix Contact 2903344 maintains the core electrical and mechanical parameters required for functional replacement. However, the contact current rating differs significantly (50 mA vs. 8 A), which restricts its application scope to lower-current switching scenarios.

Parameter Comparison

Engineering Selection Recommendations

The Phoenix Contact 2903344 is an active product with current manufacturing status and ROHS3 compliance, making it suitable for new designs and long-term availability. The 2834546 is obsolete and should be replaced in active applications.

Selection between these parts depends on circuit current requirements. The 2834546 supports 8A switching current, while the 2903344 is limited to 50 mA. The 2903344 is appropriate only for low-current control circuits. For applications requiring the full 8A switching capacity of the original part, alternative relays with equivalent current ratings must be evaluated.

Both parts share identical DPDT contact configuration, 120VAC coil voltage, DIN rail mounting, and screw terminal termination, ensuring mechanical and control signal compatibility within their respective current ratings.

Frequently Asked Questions (FAQ)

Q: Can the 2903344 directly replace the 2834546 in all applications?

A: No. While both relays share identical contact form (DPDT), coil voltage (120VAC), mounting type (DIN rail), and termination style (screw terminal), the 2903344 contact rating is limited to 50 mA compared to the 2834546's 8A rating. Direct substitution is only valid for circuits switching currents not exceeding 50 mA.

Q: What is the significance of the contact form DPDT (2 Form C)?

A: DPDT (Double Pole Double Throw) with 2 Form C configuration provides two independent switching circuits, each capable of switching between two positions. This contact arrangement is essential for applications requiring simultaneous control of two separate circuits or changeover switching functions.

Q: Are there mechanical compatibility concerns between these relays?

A: No. Both relays use DIN rail mounting and screw terminal connections, ensuring identical mechanical installation and wiring compatibility.

Q: Why is the 2834546 listed as obsolete?

A: The 2834546 is no longer in active production. The 2903344 represents the current Phoenix Contact offering for general purpose DPDT relays with 120VAC coil voltage and DIN rail mounting.

Q: What is the impact of the different switching voltage ratings?

A: The 2834546 supports switching voltages up to 250VAC or 250VDC, while the 2903344 is limited to 30VAC or 36VDC maximum. This difference restricts the 2903344 to low-voltage switching applications and makes it unsuitable for circuits operating at higher voltages.

Q: How do the operating temperature ranges differ?

A: The 2834546 operates from -25°C to 60°C, while the 2903344 operates from -40°C to 50°C. The 2903344 provides lower temperature capability but a reduced upper temperature limit. Application environment must be evaluated against these specifications.