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Phoenix Contact 2794754 Terminal Block - Equivalent & Substitute Parts
Part Overview
The Phoenix Contact 2794754 is a feed-through terminal block connector designed for 2-position applications with screw termination. This component is classified as obsolete, making identification of suitable alternatives essential for ongoing system maintenance and new designs. The terminal block supports wire gauges from 10-26 AWG (0.2-4mm²) and operates at 24V UL with a current rating of 30A, featuring integrated diode protection and UL94 V-0 rated polyamide insulation.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 2794754 |
| Manufacturer | Phoenix Contact |
| Category | Terminal Blocks |
| Series | TERMITRAB UK |
| Product Status | Obsolete |
| Type | Feed Through |
| Number of Positions | 2 |
| Number of Levels | 1 |
| Terminal Width | 6.2mm |
| Termination Style | Screw |
| Current Rating (UL) | 30A |
| Voltage Rating (UL) | 24V |
| Wire Gauge (AWG) | 10-26 AWG |
| Wire Gauge (mm²) | 0.2-4mm² |
| Features | Diode |
| Color | Black |
| Insulation Material | Polyamide (PA), Nylon |
| Flammability Rating | UL94 V-0 |
| Stripping Length | 8mm |
| RoHS Status | RoHS Compliant |
Substitute Part Grouping Explanation
The Phoenix Contact 2794754 terminal block is listed with one substitute part number: 2906831. However, a critical incompatibility exists in the provided data. The substitute part 2906831 is classified as a Transient Voltage Suppressor (TVS) module, not a terminal block connector. This represents a fundamental category mismatch.
Substitution logic for terminal block connectors is determined by the following parameters:
- Number of positions and levels
- Termination style (screw-based)
- Wire gauge compatibility (10-26 AWG / 0.2-4mm²)
- Voltage and current ratings (24V UL, 30A)
- Mechanical dimensions (terminal width 6.2mm)
- Insulation material and flammability rating (UL94 V-0)
- Feed-through configuration
The listed substitute part 2906831 does not satisfy these criteria and cannot function as a direct replacement for the 2794754 terminal block.
Parameter Comparison
| Parameter | 2794754 (Main Part) | 2906831 (Listed Substitute) | Compatibility |
|---|---|---|---|
| Category | Terminal Blocks | Transient Voltage Suppressors (TVS) | Not Compatible |
| Manufacturer | Phoenix Contact | Phoenix Contact | Same |
| Product Status | Obsolete | Active | Substitute Available |
| Type | Feed Through | Module Only | Not Compatible |
| Voltage Rating | 24V UL | 30VAC / 21VDC MCOV | Different Application |
| Current Rating | 30A | Not Specified | Not Comparable |
| RoHS Status | RoHS Compliant | ROHS3 Compliant | Both Compliant |
Engineering Selection Recommendations
Based on the provided data, the listed substitute part 2906831 cannot be recommended as a replacement for the Phoenix Contact 2794754 terminal block. The substitute is a circuit protection device (TVS module) designed for transient voltage suppression, not a connector for wire termination.
For applications requiring the 2794754 terminal block, the following selection criteria apply:
- Verify the exact connector configuration required (2-position, feed-through, screw termination)
- Confirm wire gauge requirements fall within 10-26 AWG (0.2-4mm²)
- Ensure voltage and current ratings match or exceed 24V UL and 30A
- Confirm compliance with UL94 V-0 flammability requirements
- Verify mechanical compatibility with existing mounting and terminal width specifications (6.2mm)
Alternative terminal block solutions must be sourced from Phoenix Contact's active product lines or equivalent manufacturers offering compatible feed-through connector designs with matching electrical and mechanical specifications.
Frequently Asked Questions (FAQ)
Q: Can the 2906831 TVS module replace the 2794754 terminal block?
A: No. The 2906831 is a transient voltage suppressor module designed for circuit protection, not a connector for wire termination. These are fundamentally different component categories and cannot be substituted for one another.
Q: Why is the 2794754 listed as obsolete?
A: The 2794754 belongs to the TERMITRAB UK series, which has been discontinued by Phoenix Contact. Obsolete status indicates the part is no longer manufactured and existing inventory should be evaluated for replacement planning.
Q: What wire gauges are compatible with the 2794754?
A: The 2794754 accepts wire gauges from 10-26 AWG, equivalent to 0.2-4mm² cross-sectional area. Stripping length is specified at 8mm for proper screw termination.
Q: What are the electrical ratings for the 2794754?
A: The terminal block is rated for 24V UL with a maximum current of 30A. The integrated diode feature provides additional circuit protection for the 2-position feed-through configuration.
Q: Is the 2794754 RoHS compliant?
A: Yes, the 2794754 is RoHS Compliant. The polyamide insulation material meets UL94 V-0 flammability requirements.
Q: What termination method does the 2794754 use?
A: The 2794754 uses screw termination, requiring wire stripping to 8mm for proper connection to the terminal block.
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