NOHMI BOSAI
NOHMI BOSAI FRRU004-TRM4 Twin Relay Module
Manufacturer: NOHMI BOSAI
Model: FRRU004-TRM4
Features of FRRU004-TRM4
- One simple LED for status indication
- Two Form C contacts
- NFPA Class A (Styles 6 & 7) and Class B (Style 4) for SLC
- Electronic address setting
- Downsized unit
- Easy installation
Description
- The Twin Relay Module (FRRU004-TRM4) includes two Form C relay contacts, programmed to activate when connected devices are triggered. Both Form C relay contacts activate at the same time. The relay condition between C1 and NO1, and C2 and NO2, defaults to Normally-Open, while NC1 and NC2 are Normally-Closed.When the FRRU004-TRM4 receives the signal to activate, it closes C1 to NO1 and C2 to NO2, while simultaneously opening C1 from NC1 and C2 from NC2. To indicate status, the module uses a red LED. In a normal state, the LED flashes. As soon as the relay contact activates, the LED lights up constantly. In case of any issues, the LED shuts off.
Specifications of FRRU004-TRM4
| No. | Item | Specification |
|---|---|---|
| 1 | Rated voltage range of SLC input power (S+,S-) | 22.0 to 24.0V |
| 2 | Maximum SLC 24 VDC standby current (S+,S-) | 250µA |
| 3 | Maximum SLC 24 VDC alarm current (S+,S-) | 1mA |
| 4 | Contact output style | Typical Form C × 2 |
| 5 | Output rating (resistive) | 24VDC: 2A 125VAC: 0.5A |
| 6 | Operating temperature range | 0°C to 49°C (32°F to 120°F) |
| 7 | Operating humidity range | 0 to 93% (non-condensing) |
| 8 | Dimensions | 106mm (4.17 inches) (H) × 106mm (4.17 inches) (W) × 29mm (1.14 inches) (D) |
| 9 | Applicable electrical box for installation | North American 64mm (2-1/2 inches) deep 2-gang box Standard 4 inches square box 38mm (1-1/2 inch) deep box |
Installation
Figure 1: Installation into the compatible electrical box
Wiring Diagram
Figure 2: Wiring diagram of FRRU004-TRM4
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