What risks should I check before replacing DB126V-5.0-3P-GN?

When replacing this terminal block, check three main things: 1) Pitch (must be 5.0mm), 2) Orientation (vertical vs. right-angle), and 3) Electrical ratings (voltage ≥ 300V, current ≥ 15A). Using a part with incorrect parameters can cause fitment or safety issues.

DB126V-5.0-3P-GN Alternatives, Datasheet & Cross Reference | Ningbo Dorabo Electric Co., Ltd.

The DB126V-5.0-3P-GN is a common 3-position, 5.0mm pitch vertical terminal block rated for 300V/15A. Several alternatives exist with similar form factors, but careful review of electrical ratings and physical orientation is required.

AI replacement insight

Package riskhigh

High risk if pitch or orientation (vertical vs right-angle) are not identical.

Electrical riskmedium

Medium risk if using a part with lower voltage or current ratings.

Sourcing risklow

This is a common connector type with many manufacturers available.

Can it be replaced directly?

Direct replacement for DB126V-5.0-3P-GN should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The most promising path is XY2500V-B-5.00-3P, which matches all critical form, fit, and function parameters.

Main risk

The main risk is selecting a part with incorrect pitch (e.g., 5.08mm) or orientation (right-angle), which are common variations.

Recommended alternatives

Offers identical pitch, pin count, voltage, and current ratings in a similar vertical-mount package.

View details

Alternative comparison matrix

Feature / factor	DB126V-5.0-3P-GN	XY2500V-B-5.00-3P	DB301V-5.0-3P-BU-S	WJ103-5.0-03P-14-00A	Compatibility / risk
Package	Vertical Mount Terminal Block	Vertical Mount Terminal Block	Vertical Mount Terminal Block	Vertical Mount Terminal Block	Vertical Mount Terminal Block — Both are 3-pin, 5.0mm pitch vertical mount terminal blocks.; DB301V-5.0-3P-BU-S: Both are vertical mount, 5.0mm pitch terminal blocks.; WJ103-5.0-03P-14-00A: Both are vertical mount, 5.0mm pitch terminal blocks.
Voltage	300V	300V	250V	300V	300V / 250V — Voltage ratings are identical.; DB301V-5.0-3P-BU-S: Candidate has a lower voltage rating, which is a downgrade.; WJ103-5.0-03P-14-00A: Voltage ratings are identical.
Current	15A	15A	16A	10A	15A / 16A / 10A — Current ratings are identical.; DB301V-5.0-3P-BU-S: Candidate has a slightly higher current rating.; WJ103-5.0-03P-14-00A: Candidate has a lower current rating, which is a downgrade.
Dimensions	15.0x7.6x10.2mm	15.0x7.6x10.2mm	-	-	15.0x7.6x10.2mm — Datasheet drawings show identical length, width, and height.

Application & sourcing insights

Questions & answers

Verified drop-in options for DB126V-5.0-3P-GN are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.