Output: SPDT.
Lighting: LED (with built-in reduced-voltage lighting function).
Operating voltage: 100/110 VAC/VDC.
Pushbutton colorsymbol: R: red, Y: yellow; PY: pure yellow
G: green, A: blue; W: white; PW: pure white.
Item: Alternate operation (Self-holding).
Separate Construction with.
Cylindrical 16-dia. Body.
Miniature design of 28.5 mm, the smallest class in the industry.
Detachable Switch D4D-5A21R
The same contacts can be used for both standard loads and microloads.
Easy-to-wire terminal arrangement.
Certified for EN 60947-5-1. Size: 48 * 48mm, terminal type.
Type: control output 1 point type (power AC/DC24V).
Shell color: black.
Control output: current output.
Control mode: standard or heating cooling.
Auxiliary output points: 2 points.
Heater break, SSR fault detection function: -.
Event input points: -.
Transfer output: output (using control output).
Communication: RS-232C.
New program type.
A new type of liquid crystal with high performance cost ratio is adopted in the 256 paragraph,
Visual angle, contrast can be improved.
Can be set up to 8 procedures (mode) x 32 (step) procedure.
High resolution 5 bit display / can display 0.01 degrees C (to achieve a small size of 48 x 48mm).
High speed sampling period 60ms.
Full of all models (capable of thermocouple /Pt/ analog input switching),
1 machines to support a variety of sensors.
Add PV/SV state display function, to see the state of the thermostat
(automatic / manual, RUN/RESET, alarm),
Interactive display PV/SV.
By supporting software (Ver.4.3 CX-Thermo),
In simple arithmetic functions (AND/OR logic and delay).
Setting the program settings that can perform flexible contact output.
The control output ON/OFF times counting function can predict the fault of the internal relay of the temperature controller. Receptacle box: G 1/2 Conduit.
Indicator: Without indicator.
Actuator: Side plunger, Adjustable.
Approved standards: UL, CSA.
The Limit Switch with Better Seal,
Shock Resistance, and Strength.
A double seal on the head, a complete gasket cover, and,
other features ensure a better seal (meets UL NEMA 3, 4, 4X, 6P, 12, 13).
Wide standard operating temperature range:
-40°C to +100°C (standard type).
Models with fluoro-rubber available for greater resistance to chemicals.
Block mounting method also reduces downtime for maintenance.
DPDT, double-break models available for complex operations.
Approved by UL, CSA, and CCC (Chinese standard).
(Ask your OMRON representative for information on approved model.)

D4D-5A21R Operation manual/Instructions/Model selection sample download link: /searchDownload.html?Search=D4D-5A21R&select=5