
XKB Connection
X1311WR-04J-C40D24 matches 4P 1.27mm basics but is lower voltage than PZ127V-11-04-0720.
PZ127V-11-04-0720 is a 4-pin 1.27mm through-hole pin header rated 1A and 600VAC. The listed alternates need FAE review, mainly for voltage and footprint.
250V or 50V candidates below 600VAC target
footprint and pin lengths not checked
passive connector; no firmware
PDF checks pending
No confirmed pin-compatible replacement is supported by the provided evidence.
Start with X1311WR-04J-C40D24 only if 250V is acceptable, then verify the drawing.
Most candidates are lower voltage or wrong pin count/orientation.

XKB Connection
X1311WR-04J-C40D24 matches 4P 1.27mm basics but is lower voltage than PZ127V-11-04-0720.
| Feature / factor | PZ127V-11-04-0720 | X1311WR-04J-C40D24 | Alt 2 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1.27mm pin header, TH | 1.27mm pin header, TH summary | 1.27mm pin header, TH summary — package class aligns | ||
| Pinout | 4 pins, 1 row | 4 pins, 1 row | 4 pins, 1 row — exact drawing unchecked | ||
| Voltage | 600VAC | 250VAC/DC | 250VAC/DC — major derating | ||
| Current | 1A | 1A | 1A — same rating | ||
| Temperature | -40 to +105C | -40 to +105C | -40 to +105C — range aligns |
X1311WR-04J-C40D24 is the closest listed candidate, but only as a reviewed downgrade due to its 250V rating.