Type: 1A contact type.
Shape: square.
Terminal shape: terminal for printed board.
Action: alternate.
Display mode: do not display.
Operation Department color: green.
Large capacity compact type push button switch.
Can also be used as a power switch with a large capacity cut.
Can be switched from micro load (minimum applicable load 1mA DC5V) to large capacity load. I/O classification: Output NT20-ST121-EC
Internal I/O circuit common: PNP (+ common).
I/O points: 8.
Rated voltage: 24 VDC.
I/O rated voltage: 24 VDC.
Long-distance Communications Supported by SRT2 Models,
(Long-distance/High-speed Communications Selection).
Ultra-compact at 80 x 48 x 50 (W x H x D) mm for,
4-point and 8-point terminals and 105 x 48 x 50,
(W x H x D) mm for 16-point terminals.
Two independent power supplies can be used,
because the I/O terminals are insulated from the internal circuits.
DIN track mounting and screw mounting are both supported.
Internal I/O common: PNP.
I/O indicators: LED display (yellow). 140 mA max.
(for 20.4 to 26.4-VDC power supply voltage)
e-CON Connector insertion durability: 50 times.
Weight: 220 g max.
Expansion functions: No.
Short-circuit protection function: Available at input,
section only (Operates at 50 mA/point min.)
Easy wiring using industry standard,
e-CON connectors.
Special wiring tool is not necessary.
Digital I/O terminal with industry,
standard e-CON connectors.
A common terminal is provided for,
each connector.
The I/O terminal and the sensors can,
be connected directly.
Input response time can be switched for,
high-speed processing.
Selectable node address setting methods:
setting with rotary,
switch and with tool software.
When setting the nodes with rotary switch,
setting is easy and node identification,
becomes possible for maintenance. Actuator: Roller plunger.
Conduit size: 1-conduit; M20.
Built-in switch mechanism: 2NC (Slow-action).
A Series of Pull-reset Models Now.
Available.
Lineup includes three contact models with 2NC/1NO and 3NC,
contact forms in addition to the previous contact forms 1NC/1NO and 2NC.
M12-connector models are available, saving on labor and,
simplifying replacement.
Standardized gold-clad contacts provide high contact reliability.
Can be used with both standard loads and microloads.
Conforms to EN115, EN81-1 and EN81-2.
Certified standards: UL, EN (TÜV), and CCC.
NT20-ST121-EC Operation manual/Instructions/Model selection sample download link: /searchDownload.html?Search=NT20-ST121-EC&select=5