OMRON NT5Z-ST121B-EC

Actuator: Adjustable roller lever, form lock (metal lever, resin roller).
Conduit size: 1-conduit; G1/2.
Built-in switch mechanism: 2NC(Snap-action).
Popular Safety Limit Switches.
Providing a Full Lineup Conforming to,
International Standards.
Lineup includes models with 1NC/1NO, 2NC, 2NC/1NO and,
3NC contact forms .
(Slow-action models with MBB contacts are available NT5Z-ST121B-EC. )
M12-connector models are also available, saving on labor and,
simplifying replacement NT5Z-ST121B-EC
Standardized gold-clad contacts provide high contact reliability.
Can be used with both standard loads and microloads.
Conforms to EN115-1, EN81-1, and EN81-2 (slow-action models only) NT5Z-ST121B-EC.
Certified standards: UL, EN (TÜV), and CCC . Size: 1/16 DIN.
Case color: Black.
Power supply voltage: 100 to 240 VAC.
Input type: Analog (current/voltage).
Auxiliary outputs: 1.
Control output 1: Relay output.
New 48 x 48-mm Basic Temperature.
Controller with Enhanced Functions and,
Performance. Improved Indication Accuracy,
and Preventive Maintenance Function.
Indication Accuracy NT5Z-ST121B-EC.
Thermocouple input: ±0.3% of PV (previous models: ±0 . 5%),
Pt input: ±0.2% of PV (previous models: ±0.5%),
Analog input: ±0.2% FS (previous models: ±0.5%),
New E5CN-U Models (Plug-in Models) with analog inputs and,
current outputs.
A PV/SV-status display function can be set to automatically alternate,
between displaying the status of the Temperature Controller (auto/
manual, RUN/STOP, and alarms) and the PV or SV.
Preventive maintenance for relays in the Temperature,
Controller using a Control Output ON/OFF Counter. Cable length L: A, 1.5 m; B, 1.25 m.
Connect Connector-Terminal,
Block Conversion Units (XW2@) to,
I/O Units for Programmable,
Controllers with one touch. Compact Limit Switch That''s Also.
Thin and Highly Sealed.
Approved by EN, UL, CSA, and CCC (Chinese standard).
(Ask your OMRON representative for information on approved models.)
Sealing characteristics that meet IEC IP67 degree of protection.
Triple-sealed construction:
Plunger section sealed via nitrile rubber packing seal and,
diaphragm; switch section sealed via nitrile rubber cap;
caable entrance sealed vvia encapsulating material NT5Z-ST121B-EC.
Cable lengths of 3 and 5 m available on standard models.
Models also available with UL and CSA-certified cables.
Multiple mounting possible with Switches with Plungers.
Models with red LED indicators added to series foor easy,
confirmation of operation NT5Z-ST121B-EC.
(Set by default to light for non-operation.)
VCTF cables with CE marking.
(Applicable only to standard models.)
NT5Z-ST121B-EC Operation manual / Instructions / Catalog download link: /searchDownload.html?Search=NT5Z-ST121B-EC&select=5