Name: Multi-channel Power Controller.
Number of control channels: 4.
Heater burnout detection: Supported.
Load power supply voltage: 400 to 480 VAC.
Optimum Cycle Control for High-precision.
Control with Low Noise.
Smaller than a Normal Power Controller.
Enables low-noise power control in combination with zero-cross OMRON WLH12.
SSRs. (See note.).
One Controller can control up to 8 SSRs.
RS-485 communications to set manipulated variables and,
heater burnout detection
WLH12 The Smart FB Library for the G3ZA,
can also be used.
CE Marking.
Main Upgraded Functions.
Soft-start function added for lamp heaters.
Three-phase optimum cycle control added for three-phase heaters OMRON WLH12.
Combining with special CT for150-A current detection .
Note: The G3ZA must be used in combination with an SSR without the,
zero cross function when the soft-start function is used. Wiring: Screw terminals.
Mounting method: Flush mounting.
Daily Time Control with Simple Operations,
Specify the operation days.
(However, you can set only one pattern of operation days,
and specified days OMRON WLH12. )
Up to 12 ON/OFF operations (24 for pulse-output operation) .
Special holidays can be handled easily with the holiday,
setting function.
Adjustments for sudden schedule changes can be made eas,
ily using output override and automatic return operation.
The operation program can be checked easily with the program check function.
Enables pulse output operation and summer time setting.
Incorporates finger-safe terminals.
Conforms to UL, CSA, and CE marking.
Meets a variety of mounting requirements: flush mounting,
surface mounting, and DIN track mounting. Appearance: Knob-type Selector Switch A22W,
LED lighting (without Voltage Reduction Unit).
Number of notches: 3 notches.
Resetting method: Automatic.
Output: SPST-NC + SPST-NC.
Operating voltage: 12 VAC/VDC.
Illumination color: R (red); Y (yellow); G (green); AA (blue) . WLH12.
Install in 22-dia. 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 WLH12.
IP65 oil resistance (non-lighted models).
IP65 (lighted models).
WLH12 Operation manual/Instructions/Model selection sample download link:
/searchDownload.html?Search=WLH12&select=5