EV-3IO Module with Short Circuit Isolator
The Nittan EV-3IO module is a critically important component designed for fire safety applications. Here are its key features:
- Loop Powered
- Three Class B Inputs
- One 5A Rated Relay at 240V AC
- Two Relays rated at 1A at 30V DC
- Integral -ve Short Circuit Isolator
- Failsafe option for Door Release
- Easy EEPROM Addressing via Handheld Programmer
Designed specifically for use with the Evolution analogue addressable system, the EV-3IO ensures consistent communication even in fault conditions. The module's self-resetting isolator protects the installation while allowing uninterrupted performance.
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- Nittan EV-3IO
Specifications
Fault-and-alarm-monitoring-resistors
Specifications
Colour | White |
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Manufacturer | Nittan |
Type of Product | Module |
Operating Temperature | -10°C to +55°C |
Weight | 0.475 kg |
Fault-and-alarm-monitoring-resistors
End of Line Resistor | 10k Ohm |
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Alarm Resistor | 470 / 680 Ohm |
EV-3IO Module with Short Circuit Isolator features

Nittan EV-3IO Module, Triple Input/Output, -ve Short Circuit Isolator, 5A Relay, 240V AC, Supplier Code: EV-3IO