Neets Switching Relay - 4

4-Relay with built-in PSU and LAN


Neets Switching Relay – 4 gives you 4 relays, so it is possible to control multiple devices, 4 I/Os and dedicated relay test buttons for each relay.

Neets Switching Relay - 4 adds 2 additional RS-232 ports to your control system, is easily setup, and controlled through LAN or RS-232.

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  • 4 Built-in relays
    Control for multiple devices, including screens and room lighting/darkening
  • 4 I/O ports
    Flexible control for AV and auxiliary devices
  • Screen mode
    Two relays can be connected as a pair for “screen mode”
  • LAN to RS-232 breakout
    Adds two additional RS-232 ports to the control system
  • Relay test buttons
    Each relay has its own test button with LED status indication
  • Configuration through RS-232 or LAN
    Fully integrated into Neets Project Designer and compatible with 3rd party systems
  • RS-232 Loop-through
    Control two devices via RS-232 from a control system with only one RS-232 port
Power supply:
100-240 VAC

Relay load max AC1:
1150 Watt

Relay load max
AC15 (230VAC):
500 Watt

Relay single-phase
Motor rating (230 VAC): 370 Watt
Motor rating ¼ HP @ 125 VAC

Relay max voltage:
230 VAC

Power supply fuse:
0.5 A / 230 VAC

Control inputs:
Active when connected to ground

RS-232 Remote Control:
Baud rate: 19200
Data bits: 1
Stop bits: 1
Parity: None

Network (LAN):
Speed: 10/100 Mbit
Duplex: Half and full

Width: 265 mm
Height: 215 mm
Depth: 100 mm

Width: 10,43 inches
Height: 8,46 inches
Depth: 3,93 inches

1 kg/ 35 oz

Approval: CE
EN 61000-6-2:2005
EN 61001-6-3:2005

Product item numbers:
Neets Switching Relay - 4


Neets Project Designer
Neets Project Designer
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-Ver. 3.20.1 (21-03-2018)
Bug Fixes:
  • Fixed QueBec Pro would not turn monitor off in some instances after disconnecting VGA input
  • Fixed LED and key lock status not being correct on extension devices after a power cycle
+Ver. 3.12.0 (16-10-2017)
+Ver. 3.11.3 (14-09-2017)
+Ver. 3.11.2 (27-06-2017)
+Ver. 3.11.1 (09-06-2017)
+Ver. 3.11.0 (28-04-2017)
+Ver. 3.10.0 (05-12-2016)
+Ver. 3.9.0 (31-10-2016)
+Ver. 3.8.5 (02-09-2016)
+Ver. 3.8.4 (17-06-2016)
+Ver. 3.8.3 (03-06-2016)
+Ver. 3.8.2 (01-06-2016)
+Ver. 3.8.1 (10-05-2016)
+Ver. 3.8.0 (27-04-2016)
+Ver. 3.7.0 (11-01-2016)
+Ver. 3.6.7 (06-11-2015)
+Ver. 3.6.6 (02-11-2015)
+Ver. 3.6.5 (28-10-2015)
+Ver. 3.6.4 (13-10-2015)
+Ver. 3.6.3 (13-08-2015)
+Ver. 3.6.2 (03-07-2015)
+Ver. 3.6.1 (29-06-2015)
+Ver. 3.6.0 (21-05-2015)
+Ver. 3.5.2 (20-04-2015)

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