Danfoss INT 5 mechanical interlock module for use with CI 5 miniature contactors in reversing or interlocked motor starter assemblies. Unit is new, unused, and supplied in the original sealed Danfoss bag.
Brand: Danfoss
Model: INT 5
MPN: 037H3520
Type: Mechanical interlock accessory for contactors
Compatible series: CI 5 miniature contactors (front‑mount design)
Function: Mechanically interlocks two adjacent CI 5 contactors to prevent simultaneous closing in reversing or changeover applications
Mounting: Front‑mount between two contactors; molded locator features and clips on both sides
Mechanical design: Sliding interlock mechanism with central H‑shaped actuator, molded plastic body
Standards/approvals: CE marked; accessory for IEC contactor system (see bag print)
Country of manufacture: Made in Czech Republic (printed on packaging)
New, never used
Interlock block appears clean with no signs of mounting or wear
Supplied in original Danfoss factory bag (bag may show minor shelf/storage marks only)
Labels and barcodes on packaging are intact and legible
Designed specifically for CI 5 contactors; not suitable for larger CI 6–CI 30 frames (different interlock type)
Ideal for assembling forward/reverse or mechanically interlocked starter combinations using existing Danfoss CI 5‑9 or CI 5‑12 contactors
See photos and Danfoss documentation to confirm fit with your exact contactor type and mounting arrangement
Brand: Danfoss
Model: INT 5
MPN: 037H3520
Type: Mechanical interlock / contactor accessory
Country/Region of Manufacture: Czech Republic
Compatible Series: Danfoss CI 5 miniature contactors
Mounting Style: Front‑mount between two contactors
