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Phoenix Contact 5440253 Terminal Block Plug - Equivalent & Substitute Parts
Part Overview
The Phoenix Contact 5440253 is an 8-position terminal block plug with female sockets, 0.150" (3.81mm) pitch, and 270° free-hanging in-line mounting. This component is classified as obsolete, making identification of compatible substitute parts essential for ongoing system maintenance and new design implementations.
The 5440253 operates at 8A (IEC/UL) and 320V (IEC) / 300V (UL), supporting wire gauges from 14-30 AWG (0.2-1.5mm²). Its screw termination style and UL94 V-0 flammability rating make it suitable for industrial control and power distribution applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Number of Positions | 8 |
| Pitch | 0.150" (3.81mm) |
| Type | Plug, Female Sockets |
| Plug Wire Entry | 270° |
| Mounting Type | Free Hanging (In-Line) |
| Current Rating (IEC) | 8A |
| Voltage Rating (IEC) | 320V |
| Wire Gauge Range | 14-30 AWG (0.2-1.5mm²) |
| Termination Style | Screw |
| Screw Size | M2 |
| Housing Material | Polyamide (PA), Nylon |
| Flammability Rating | UL94 V-0 |
| RoHS Status | RoHS Compliant |
Substitute Part Grouping Explanation
Substitution of the obsolete Phoenix Contact 5440253 is based on strict electrical and mechanical compatibility criteria. The substitute part must maintain:
- Identical number of positions (8) and pitch spacing (0.150" / 3.81mm)
- Matching connector type (plug with female sockets)
- Equivalent wire entry orientation (270° free-hanging in-line)
- Equal or greater current and voltage ratings (8A IEC, 320V IEC minimum)
- Compatible wire gauge acceptance (14-30 AWG / 0.2-1.5mm²)
- Screw termination with M2 fastener
- Equivalent flammability and environmental compliance
The Phoenix Contact 1827033 satisfies all substitution criteria while offering active product status and enhanced specifications.
Parameter Comparison
| Parameter | 5440253 (Main Part) | 1827033 (Substitute) |
|---|---|---|
| Manufacturer | Phoenix Contact | Phoenix Contact |
| Number of Positions | 8 | 8 |
| Pitch | 0.150" (3.81mm) | 0.150" (3.81mm) |
| Type | Plug, Female Sockets | Plug, Female Sockets |
| Plug Wire Entry | 270° | 270° |
| Mounting Type | Free Hanging (In-Line) | Free Hanging (In-Line) |
| Current Rating (IEC) | 8A | 8A |
| Voltage Rating (IEC) | 320V | 320V |
| Current Rating (UL) | 8A | 8A |
| Voltage Rating (UL) | 300V | 300V |
| Wire Gauge Range (AWG) | 14-30 | 14-30 |
| Wire Gauge Range (mm²) | 0.2-1.5 | 0.14-1.5 |
| Termination Style | Screw | Screw - Rising Cage Clamp |
| Screw Size | M2 | M2 |
| Housing Material | Polyamide (PA), Nylon | Polyamide (PA), Nylon |
| Flammability Rating | UL94 V-0 | UL94 V-0 |
| Insulation Height | 0.752" (19.10mm) | 0.752" (19.10mm) |
| RoHS Status | RoHS Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The Phoenix Contact 1827033 is the direct substitute for the obsolete 5440253. Both components share identical electrical ratings, mechanical dimensions, and connector geometry. The 1827033 offers the following advantages:
- Active product status ensures long-term availability and supply chain continuity
- ROHS3 compliance exceeds the RoHS compliance of the original part
- Rising cage clamp termination provides enhanced wire retention compared to standard screw termination
- Extended wire gauge acceptance (0.14-1.5mm²) accommodates finer conductor sizes
- Documented torque specification (0.22-0.25 Nm) and wire strip length (7mm) provide precise installation parameters
- Bulk packaging availability supports high-volume procurement
The 1827033 maintains full backward compatibility with existing 5440253 installations while offering improved specifications and regulatory compliance.
Frequently Asked Questions (FAQ)
Q: Can the 1827033 directly replace the 5440253 in existing applications?
A: Yes. Both parts maintain identical pitch (3.81mm), position count (8), connector type (plug with female sockets), wire entry orientation (270°), and electrical ratings (8A, 320V IEC). Mechanical and electrical compatibility is complete.
Q: What is the difference between screw termination and screw with rising cage clamp?
A: The 1827033 uses a rising cage clamp mechanism in addition to screw termination, providing enhanced wire retention and reduced risk of conductor displacement during operation. Standard screw termination (5440253) relies solely on screw pressure.
Q: Are there wire gauge compatibility differences?
A: The 1827033 accepts wire gauges from 0.14-1.5mm², while the 5440253 accepts 0.2-1.5mm². The 1827033 supports finer conductors (0.14-0.2mm²) not compatible with the original part. All wire sizes supported by the 5440253 are fully supported by the 1827033.
Q: What packaging options are available?
A: The 5440253 was supplied in standard packaging (status: obsolete). The 1827033 is available in bulk packaging, suitable for production environments and high-volume applications.
Q: Are both parts RoHS compliant?
A: Yes. The 5440253 carries RoHS compliance certification. The 1827033 carries ROHS3 compliance, representing a more current regulatory standard.
Q: What is the screw torque specification for the 1827033?
A: The 1827033 specifies a torque range of 0.22-0.25 Nm (1.9-2.2 Lb-In) for M2 fasteners. The 5440253 does not provide a documented torque specification.
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