# Ceiling module | Relay JQC-3FF-S-Z

[![grafik.png](https://wiki.stadtfabrikanten.org/uploads/images/gallery/2026-06/scaled-1680-/6RSKSHgmbjqm1bEh-grafik.png)](https://wiki.stadtfabrikanten.org/uploads/images/gallery/2026-06/6RSKSHgmbjqm1bEh-grafik.png) [![grafik.png](https://wiki.stadtfabrikanten.org/uploads/images/gallery/2026-06/scaled-1680-/zzYfAaogwRwrgPYc-grafik.png)](https://wiki.stadtfabrikanten.org/uploads/images/gallery/2026-06/zzYfAaogwRwrgPYc-grafik.png) [![grafik.png](https://wiki.stadtfabrikanten.org/uploads/images/gallery/2026-06/scaled-1680-/hvEqEaBP1kgeOJNu-grafik.png)](https://wiki.stadtfabrikanten.org/uploads/images/gallery/2026-06/hvEqEaBP1kgeOJNu-grafik.png) [![grafik.png](https://wiki.stadtfabrikanten.org/uploads/images/gallery/2026-06/scaled-1680-/oeq5GevyrEde9AoO-grafik.png)](https://wiki.stadtfabrikanten.org/uploads/images/gallery/2026-06/oeq5GevyrEde9AoO-grafik.png) [![grafik.png](https://wiki.stadtfabrikanten.org/uploads/images/gallery/2026-06/scaled-1680-/0tI1blmZrHjFjDKZ-grafik.png)](https://wiki.stadtfabrikanten.org/uploads/images/gallery/2026-06/0tI1blmZrHjFjDKZ-grafik.png)

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This relay is used to switch on the Power Supply by Raspberry Pi GPIO.

## Specifications

- in line with international safety standards (control area and the load area has a separate slot)
- double-sided FR-4 circuit board design
- LED status  
    
    - pull up bright (green light is on)
    - disconnect is not bright (green light is off)
    - red LED signalizing power
- blue KF301 terminal
- module size: 43x17x18.5mm
- net weight: 15g
- Module Interface Output Section 
    - NO - Normally Open
    - COM - Common
    - NC - Normally Closed
- Module Interface Input section 
    - VCC: Connect 5V power supply positive (according to the relay voltage)
    - GND: Connect 5V power supply negative
    - IN: relay module signal trigger (low level active)
    - High and low meaning: 
        - High-level trigger refers to the VCC side of the positive voltage and the trigger side of a trigger connection, when the trigger side has a positive voltage or to reach the trigger voltage, the relay is sucked.
        - Low-level trigger refers to the GND side of the negative voltage and the trigger side of a trigger connection, when the trigger side of the 0V voltage or voltage can be triggered when the relay is pulled.
- Relay contact capacity: 250V 10A (AC) or 30V 30A (DC)
- Electrical parameters
    
    <div class="table-wrap"><table role="grid"><thead aria-label="Verwenden Sie die Schaltflächen der Spaltenüberschriften zum Sortieren."><tr role="row"></tr></thead><colgroup><col></col><col></col><col></col><col></col><col></col></colgroup><tbody><tr role="row"><td colspan="1">5 V</td><td colspan="1">4 mA</td><td>65 mA</td><td>0-2 V</td><td>2 mA
    
    </td></tr><tr role="row"><td colspan="1">9 V</td><td colspan="1">5 mA</td><td>45 mA</td><td>0-4 V</td><td>3 mA</td></tr><tr role="row"><td colspan="1">12 V</td><td colspan="1">5.5 mA</td><td colspan="1">42 mA</td><td colspan="1">0-4 V</td><td colspan="1">3 mA</td></tr><tr role="row"><td colspan="1">24 V
    
    </td><td colspan="1">12 mA</td><td>40 mA</td><td>0-12 V</td><td>3 mA</td></tr></tbody></table>
    
    </div>