Contact type: Standard load (250 VAC, 3 A; 30 VDC, 4 A).
Operation: Alternate operation (Self-holding).
Case color: Black.
Output: SPDT.
Lighting: LED; 5 VDC.
Pushbutton color symbol: R.O.G.W.
Large Square-bodied Lighted.
Pushbutton Switches.
Excellent operating sensitivity.
Excellent illumination with even surface brightness VB-4221.
Three-color models (green, orange, red; chameleon lighting) VB-4221
included in lineup. Size: 48 x 96mm.
Ontology: terminal type, analog input type.
Category: control output 1 point type (power supply AC100 ~ 240V).
Shell color: black.
Control output: current output.
Control mode: standard or heating cooling VB-4221.
Auxiliary output points: 3 points.
A power supply for the detection of /ES1B fault, SSR fault and heater over current for heater use .
Event input points: -.
Transfer output: output (using control output).
Communication: -.
The general temperature controller 96mm, 48 * 96mm square has been upgraded to improve the performance and function of /.
Indicates that the accuracy of the upgrade, increase the function of prevention and maintenance, further enhance the performance VB-4221.
Add PV/SV state display function, to see the state of the thermostat
(automatic / manual, RUN/STOP, alarm), interactive display PV/SV.
Increase the number of control output ON/OFF counting function, can prevent the maintenance of temperature controller internal relay.
Increased the 3 segment display, which can display the current value / target / operation.
Increased the PF key, the distribution of automatic / manual, RUN/STOP, etc., can be a key operation. Appearance: Knob-type Selector Switch A22W,
LED lighting (without Voltage Reduction Unit).
Number of notches: 3 notches.
Resetting method: Automatic.
Output: SPST-NO + SPST-NO.
Operating voltage: 24 VAC/VDC.
Illumination color: R (red); Y (yellow); G (green); AA (blue) .
Installl in 22-dia OMRON VB-4221. or 25-dia. Panel Cutout.
Lever for easily mounting and removing the Switch Unit.
Finger protection mechanism on Switch Unit provided as a standard feature.
Use 25-dia. ring to install in 25-dia. panel cutouts.
Mounttedd using either open-type (fork-type) or closed-type,
(round-type) crimp terminals OMRON VB-4221.
IP65 oil resistance (non-lighted models).
IP65 (lighted models).
VB-4221 Operation manual/Instructions/Model selection sample download link: /searchDownload.html?Search=VB-4221&select=5