Carlo Gavazzi DIA53S72420A ⚡ Used 2–20A AC Current Monitoring Relay DIN Rail

Protect your systems with this used Carlo Gavazzi DIA53S72420A current monitoring relay—a compact, reliable solution for overcurrent detection in automation panels. ⚙️

Product Details:
Brand: Carlo Gavazzi

Model: DIA53S72420A

⚙️ Function: AC current monitoring relay, overcurrent detection

Current Range: 2–20 A AC (adjustable via front dial)

Output: Solid-state SPST-NO relay (NPN open collector), max 100 mA @ 40 VDC

⚡ Supply: Self-powered by monitored AC line (no separate control voltage needed)

Response Time: Instantaneous, with LED status indication

Mounting: 17.5 mm DIN-rail housing (compact size)

Indicators:

LED ON when output is active

Knob-adjustable setpoint

Environment:

Operating Temp: −20 °C to +60 °C

IP20 protection

Dimensions: Approx. 81 × 17.5 × 67.2 mm

Certifications: CE, UL, cULus, RoHS compliant

Condition:
Used – Fully tested and working. Clean terminals. Minor surface wear consistent with normal use. Photos show actual condition.

Includes:
1× Carlo Gavazzi DIA53S72420A relay module only (no box or manual).