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Phoenix Contact 1645451 Heavy Duty Connector Hood - Equivalent & Substitute Parts
Part Overview
The Phoenix Contact 1645451 is a Heavy Duty Connector Hood for side entry applications with M40 thread size in the HEAVYCON® B series. This component provides IP65 ingress protection (dust tight, water resistant) and operates across -40°C to 125°C. The part is currently obsolete, making identification of compatible substitute components essential for system maintenance, repair, and new design implementations where equivalent functionality is required.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 1645451 |
| Manufacturer | Phoenix Contact |
| Category | Heavy Duty Connectors |
| Series | HEAVYCON® B |
| Connector Type | Hood |
| Style | Side Entry |
| Size | B32 |
| Thread Size | M40 |
| Ingress Protection Rating | IP65 |
| Operating Temperature Range | -40°C to 125°C |
| Housing Material | Aluminum, Die Cast |
| RoHS Compliance | Yes |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility for the Phoenix Contact 1645451 is determined by strict alignment of the following critical parameters:
- Connector Type & Style: Hood, Side Entry configuration
- Size Designation: B32 form factor
- Thread Interface: M40 mounting thread
- Series Compatibility: HEAVYCON® B series
- Ingress Protection: IP65 minimum rating
- Operating Temperature: -40°C to 125°C range
- Housing Material: Aluminum die cast construction
- Regulatory Compliance: RoHS compliant
The substitute part 1424837 maintains all core mechanical and electrical compatibility parameters while offering enhanced environmental protection (IP66/IP67) and salt water resistance, making it suitable for applications requiring equivalent or superior environmental sealing.
Parameter Comparison
| Parameter | 1645451 (Main Part) | 1424837 (Substitute) | Compatibility Status |
|---|---|---|---|
| Manufacturer | Phoenix Contact | Phoenix Contact | Match |
| Series | HEAVYCON® B | HEAVYCON® B | Match |
| Connector Type | Hood | Hood | Match |
| Style | Side Entry | Side Entry | Match |
| Size | B32 | B32 | Match |
| Thread Size | M40 | M40 | Match |
| Lock Location | Locking Clip (2) on Base Bottom | Locking Clip (2) on Base Bottom | Match |
| Ingress Protection | IP65 | IP66/IP67 | Enhanced |
| Operating Temperature | -40°C to 125°C | -40°C to 125°C | Match |
| Housing Material | Aluminum, Die Cast | Aluminum, Die Cast | Match |
| RoHS Status | Compliant | Compliant | Match |
| Product Status | Obsolete | Active | Active Alternative Available |
Engineering Selection Recommendations
The Phoenix Contact 1424837 is the direct substitute for the obsolete 1645451. Both components share identical mechanical interfaces (M40 thread, B32 size, side entry configuration) and thermal operating range (-40°C to 125°C). The 1424837 maintains full RoHS compliance and is currently in active production status.
The 1424837 provides enhanced ingress protection (IP66/IP67 versus IP65) and includes salt water resistance, representing a specification improvement over the original part. These enhancements do not compromise backward compatibility and are suitable for direct replacement in existing applications. The aluminum die cast housing and locking clip mechanism remain functionally identical.
For applications where the original IP65 rating is the design requirement, the 1424837 exceeds this specification and remains fully compatible. No design modifications or interface changes are required for substitution.
Frequently Asked Questions (FAQ)
Q: Can the Phoenix Contact 1424837 directly replace the 1645451 in existing installations?
A: Yes. Both parts share identical mechanical interfaces (M40 thread, B32 size, side entry style), locking mechanisms, operating temperature range, and housing material. The 1424837 is a direct mechanical and functional substitute.
Q: What is the difference in ingress protection between these parts?
A: The 1645451 provides IP65 protection (dust tight, water resistant). The 1424837 provides IP66/IP67 protection (dust tight, water resistant, waterproof). The 1424837 offers enhanced environmental sealing suitable for more demanding applications.
Q: Are both parts RoHS compliant?
A: Yes. Both the 1645451 and 1424837 are RoHS compliant and meet regulatory requirements for electronic component manufacturing.
Q: What is the significance of the 1645451 being obsolete?
A: Obsolete status indicates the part is no longer manufactured by Phoenix Contact. The 1424837 is the active production alternative that maintains full compatibility while offering enhanced specifications.
Q: Does the 1424837 include salt water resistance?
A: Yes. The 1424837 includes salt water resistance as a feature, making it suitable for marine and coastal applications where the original 1645451 may have limitations.
Q: Are there any packaging differences between these parts?
A: The 1645451 was supplied in standard packaging. The 1424837 is supplied in bulk packaging. This does not affect functional compatibility or installation procedures.
Q: What is the operating temperature range for both parts?
A: Both the 1645451 and 1424837 operate across -40°C to 125°C, ensuring compatibility across identical thermal environments.
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