Zūm® Wired J-Box Load Controller, Plug Load Switch, 20A, 100-277V with Link Communication
A Zum® Wired junction box-mounted load controllers with Zum® Link communication designed to provide intelligent lighting control as part of a complete Zūm wired commercial room lighting system.
The Crestron® Zūm® Wired ZUMLINK‑JBOX‑20A‑PLUG provides zero cross switching for high inrush lighting loads and 20A plug load control. The device can be wired to other in‑room Zūm devices to provide load control. Energy-saving options are available to enable daylighting, occupancy or vacancy sensing, and centralized monitoring and management.
Zūm Link Wired Technology
Zūm Link technology allows for in‑room lighting control through compatible keypads and sensors. Two RJ‑45 ports on the device allow for connection to a Zūm Net device and for in‑room device daisy‑chaining. Similar to the Zūm Wireless system, Zūm Link devices work together in a local ecosystem to provide customized solutions as needed.
Energy Management and Efficiency
The load controllers are capable of energy monitoring through custom programming. Occupancy sensor, vacancy sensor, and daylight sensor connectivity allow for significant energy savings. To reduce energy usage, lights will turn off automatically when the room is vacant and dim gradually according to the amount of natural daylight in the room.
Easy Installation
For flexibility and ease‑of‑use, Zūm load controllers are installed in a room with Zūm keypads, occupancy or vacancy sensors, and/or a daylight sensor for complete commercial lighting control. Finish the installation by quickly commissioning the room through the Zūm app.
Override Contact Closure Input
An integrated contact closure input or relay output on the ZUMLINK‑JBOX‑20A‑PLUG provides the means to place all connected Zūm Net and Zūm Link devices into Emergency Override mode.
Key Features
- Zūm® wired junction box-mounted lighting load plug load controller
- Integration with Zūm keypads, occupancy sensors, vacancy sensors, and daylight sensors (sold separately)
- Zero cross switching with the ability to switch control of 20A plug loads
- Supports in‑room device daisy chaining
- Integrated contact closure input
- Flying lead wiring connections
- Knockout mount to a standard 4 in. square junction box
| Load Control |
| Line Voltage |
100‑277VAC, 50/60 Hz |
| Switch Load Types |
Controlled receptacles, LED, electronic drivers, incandescent, magnetic low-voltage, electronic low-voltage,neon/cold cathode, high-intensity discharge, small motor loads |
| Load Rating |
20A 100-277VAC, 50/60 Hz high inrush, zero-cross switching;
0.5 HP @ 120-277VAC |
| Wired Communications |
| ZUMLINK (ROOM) |
(2) RJ‑45 ports;
In‑room Zūm Link device daisy‑chaining;
85mA power available for Zūm Link devices, including ZUMLINK‑KP keypads;
Maximum 750mA pass-through current including any internal power supply |
| 24V, OCC, GND |
Occupancy sensor input;
85mA available output current;
Spring clamp connector;
Each terminal accepts one 20-24 AWG solid wire |
| 24V, PHO, GND |
Photo sensor input;
Spring clamp connector;
Each terminal accepts one 20-24 AWG solid wire |
| OVR, GND |
Override control input;
Spring clamp connector;
Each terminal accepts one 20-24 AWG solid wire |
| Controls and Indicators |
| TEST |
(1) Pushbutton and (1) bi-color green/red LED;
Push to toggle the switched load output on and off;
Press and hold to cycle the dimming level up and down;
LED lights green when load is on;
LED lights red when a fault is detected |
| ZUMLINK Status |
(1) bi‑color green/red LED;
LED lights green in normal operation;
LED lights red when a fault is detected |
| 24V |
(1) Green LED |
| O |
(1) Red LED |
| D |
(1) Yellow LED |
| OVR |
(1) Green LED |
| Connections |
| Black |
(1) 14 AWG Class 1 flying lead;
Line (AC power input) |
| White |
(1) 14 AWG Class 1 flying lead;
Neutral |
| Red |
(1) 14 AWG Class 1 flying lead;
Power monitoring, (AC power output) |
| Environmental |
| Temperature |
32° to 104°F (0° to 40°C) |
| Humidity |
10% to 90% RH (noncondensing) |
| Construction |
| Housing |
Plastic, white, UL 94 5VA flame rated |
| Mounting |
Mounts to the side of a 4 in. square junction box via a 1/2 in. conduit knockout;
Meets the requirements of UL 2043 for installation in an environmental air-handling (plenum) space |
| Dimensions |
| Height |
4.83 in. (123 mm) |
| Width |
4.25 in. (108 mm) |
| Depth |
2.03 in. (52 mm) |
| Weight |
| 7 oz (199 g) |
| Compliance |
Regulatory Model: M201933002
cUL916, cUL2043
UL® Listed for US & Canada, IC, FCC Part 15 Class A digital device, UL 916, UL 2043, UL 94 5VA |
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