Reference manual for the Net Safety JB Series Junction Box covering installation, wiring, specifications, and maintenance.
The Net Safety JB Series Junction Box is a multi‑purpose termination box used with flame detectors and gas sensors. It is offered in copper‑free aluminum or 316 stainless steel and provides options for analog, digital and relay outputs.
The manual includes safety instructions, installation steps, wiring diagrams, terminal board configurations, maintenance procedures, environmental specifications, and ordering information. It also lists warranty terms and contact details for technical support.
| Operating voltage | 10 to 32 Vdc |
|---|---|
| Conduit entries | 3 × ¾‑in. NPT |
| Power consumption (JB‑IR3SAR) – 10 Vdc | Nominal 170 mA (1.7 W), Maximum 275 mA (2.9 W) |
| Relay contacts (JB‑IR3SAR) | 5 A at 30 Vdc/250 Vac, Form‑C (SPDT) dry contacts |
| Ingress protection | IP67 Type 4X |
| Storage temperature | -67 °F to +185 °F (‑55 °C to +85 °C) |
| Weight (Aluminum housing) | 2.0 lb (0.8 kg) |
| Warranty period | 2 years |
The junction box operates from 10 Vdc up to 32 Vdc.
It is rated IP67 Type 4X.
The box provides three ¾‑inch NPT conduit entries.
The product is covered by a two‑year warranty.