1 Safety notes
ESR5-NOS-31-230VAC
12/19 MN049013EN
www.eaton.com
5
1 Safety notes
WARNING
Risk of electric shock
During operation, parts of electrical switching devices carry
hazardous voltages.
Before working on the switching device, disconnect the power.
Please observe the safety regulations of electrical engineering
and industrial safety and liability associations!
Disregarding these safety regulations may result in death,
serious personal injury or damage to equipment.
Startup, mounting, modifications, and upgrades should only be
carried out by a skilled electrical engineer!
WARNING
Risk of automatic machine restart!
For emergency stop applications, the machine must be
prevented from restarting automatically by a higher-level
control system.
Protective covers must not be removed when operating
electrical switching devices.
WARNING
Danger due to faulty devices!
The devices may be damaged following an error and correct
operation can no longer be ensured.
In the event of an error, replace the device immediately.
Repairs to the device, especially if the housing must be opened,
may only be carried out by the manufacturer or authorized per-
sons. Otherwise the warranty is invalidated.
CAUTION
Risk of damage to equipment due to incorrect installation
For reliable operation, the safety relay must be installed in
housing protected from dust and humidity (IP54).
Carry out wiring according to the application.
Refer to the “Application examples” section for this.
CAUTION
Risk of damage to equipment due to noise emissions
When operating relay modules the operator must meet the
requirements for noise emission for electrical and electronic
equipment (EN 61000-6-4) on the contact side and, if required,
take appropriate measures.
