Eaton Safety Relay Dual Channel With 2 Safety Contacts Compatible With Safety Switch/Interlock, Two Hand Control

  • RS Stock No. 812-8979
  • Mfr. Part No. 118703 & ESR5-NZ-21-24VAC-DC
  • Manufacturer Eaton
Technical data sheets
Legislation and Compliance
RoHS Status: Not Applicable
COO (Country of Origin): DE
Product Details

ESR5 Safety Relays

The ESR5 safety relay from Eaton is designed to monitor the signals from safety devices at all times and switch off quickly and reliably in an emergency. Suitable for applications that meet the highest safety requirements in accordance with EN 954-1, EN ISO 13849-1 up to PL e and accordance with IEC 62061 up to SILCL 3.


UL, cULus, TÜV.

All in one – Safety and control relay combined in a single device

The Eaton ESR5 NZ 21 safety relay, with built in dual channel (2 Safety contacts) offers you versatile analysis of potential hazards in your machine moving environment. This model of ESR5 allows you to control all your safety devices such as emergency stops buttons, safety guards, light curtains or two handed controls. In the unlikely event there is a failure or hazard detected, the ESR5 NZ 21 will work quickly to switch off the power to the machine.

What are some of the features?

• In the event of a fault, the safety relay will quickly engage its primary function in cutting off power to the affected area/s.
• Detect faults before at the input level using integrated diagnostic devices.
• Internal logic of the safety relay will monitor your entire safety circuit and all connect peripherals such as (emergency stop buttons, safety doors or light curtains) and will run the path for you when in a fault-free state.
• The particular model offers you one to two channel variants so you can implement your safety appliances.
• Automatic and manual reset methods

Advantages of the ESR5 NZ 21

• Modest in size allowing you greater control of your working area
• Wide range of features offered with the device, allowing you to stay flexible and able to respond immediately to current or future changes in application requirements. This will save you cost & time in the long term.
• Application such as movable safety devices like safety doors can be restricted through the use of a safety relay so that only certified personnel can enter or nobody at all.
• Many safety switching contacts and up to 5 enable and 2 signal current paths
• Approved to TÜV Rheinland, UL/CUL, CSA

Technical safety parameters

• Up to Performance Level PL e to EN ISO 13849-1
• Up to Safety Integrity Level SIL CL 3 to IEC 62061

Attribute Value
Number of Channels 2
Function Safety Switch/Interlock, Two Hand Control
Safety Contacts 2
Reset Method Automatic, Manual
Terminal Type Screw
Length 22.5mm
Width 114.5mm
Depth 99mm
2 In stock for delivery within 7 working day(s)
Price (ex. GST) Each
$ 465.00
(exc. GST)
$ 534.75
(inc. GST)
Per unit
1 +
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