Is there a pin-compatible replacement for 1729131?

No pin-compatible replacement has been fully verified. While several candidates share the 5.08mm pitch, their PCB footprints must be compared against the 1729131 datasheet to ensure mechanical compatibility.

What risks should I check before replacing 1729131?

Key risks include: 1) Electrical: Ensure the alternative's lower voltage rating (e.g., 300V) is sufficient. 2) Mechanical: Verify the PCB footprint and physical dimensions. 3) Functional: Some alternatives use spring-cage connections instead of screws.

1729131 Alternatives, Datasheet & Cross Reference | Phoenix Contact

Phoenix Contact 1729131 is a 3-position, 5.08mm pitch PCB terminal block rated for 13.5A and 400V. While no direct drop-in replacements have been verified, several functional alternatives with similar form factors are available but require careful review of voltage ratings.

AI replacement insight

Electrical riskhigh

Most alternatives have a lower voltage rating (300V vs 400V).

Package riskmedium

Footprints are likely similar but must be verified from datasheets.

Sourcing risklow

Many manufacturers produce similar 5.08mm pitch terminal blocks.

Can it be replaced directly?

No direct, pin-for-pin compatible replacement for the 1729131 has been verified. All identified candidates have a lower voltage rating and may have different footprints or connection styles.

Best replacement path

Consider `DB128V-5.08-3P-GN-S` or `XY2500V-D-5.08-3P` if a 300V rating is acceptable. Both feature the same pitch and screw termination but require footprint verification.

Main risk

The primary risk is the lower voltage rating (typically 300V) of most alternatives compared to the target's 400V rating.

Recommended alternatives

Shares pitch and screw connection with target, but has a lower voltage rating. Requires engineering review.

View details

Alternative comparison matrix

Feature / factor	1729131	XY2500V-D-5.08-3P	DB128V-5.08-3P-GN-S	DB142R-5.08-3P-GN	Compatibility / risk
Pitch	5.08mm	5.08mm	5.08mm	5.08mm	5.08mm — Matches target pitch.; DB128V-5.08-3P-GN-S: Matches target pitch.; DB142R-5.08-3P-GN: Matches target pitch.
Voltage	400V (IEC)	300V	300V (UL)	300V	300V / 300V (UL) — Lower than target's 400V rating.; DB128V-5.08-3P-GN-S: Lower than target's 400V (IEC) rating.; DB142R-5.08-3P-GN: Lower than target's 400V rating.
Current	13.5A	15A	16A (UL)	15A	15A / 16A (UL) — Higher than target's 13.5A rating.; DB128V-5.08-3P-GN-S: Higher than target's 13.5A rating.; DB142R-5.08-3P-GN: Higher than target's 13.5A rating.
Connection Style	Screw	Screw	Screw	Spring-cage	Screw / Spring-cage — Matches target's connection method.; DB128V-5.08-3P-GN-S: Matches target's connection method.; DB142R-5.08-3P-GN: Different from target's screw connection.
Wire Gauge	26-16 AWG	-	22-12 AWG	-	22-12 AWG — Different range than target's 26-16 AWG.

Application & sourcing insights

Questions & answers

The best alternatives are `DB128V-5.08-3P-GN-S` and `XY2500V-D-5.08-3P`, which match the pitch and screw connection style. However, they have a lower voltage rating (300V vs 400V) that must be acceptable for your application.