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Fire detection systems

UL 120/230Vac Relay unit for addressable fire systems

The UL listed 120/230Vac addressable relay unit enables simple interfacing between Eaton's UL fire systems and other equipment such as nurse call systems or access control systems. The ability of the output unit to switch mains makes the unit ideal for plant control or mains powered door holders.  The input is monitored for open and short circuits so can be used for fire input applications such as monitoring sprinkler flow switches. An extensive range of interfaces is available to support the Eaton range of UL addressable control panels, providing solutions for most design requirements.
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Integrate
Ideal for integrating plant control & mains powered door holders
Monitor
Use for fire input applications; monitor sprinkler flow switches
Plug and play
Soft addressing with no hard addressing required

Tailor your fire system to match project needs

An extensive range of interfaces are available to support Eaton's range of UL listed fire system control panels, providing solutions for most design requirements. These include interfaces for system extension and retrofitting, and ones to incorporate into external equipment such as generators and HVAC. The range will help you tailor your fire system to your exact requirements.

Versatility in systems management

The relay unit enables easy connection of business management systems to your addressable fire panel. With both input and output functionality, you can easily interface systems including access and plant control helping you to easily manage systems site-wide.

Connect Eaton fire systems to plant control, nurse call systems or door retainers

Designed with the ability to switch mains, making the relay unit ideal for plant control and nurse call systems. When the unit is paired with Eaton's door retainers, the unit can automatically close doors with a self-closing mechanism in case of emergencies such as a fire alarm activation.

Let the relay unit do the talking in fire or non fire applications

Designed for efficiency, the relay unit can be used in a wide range of both fire and non-fire applications. The module achieves simplified interfacing between the fire system and other equipment with a one-wire connection. It can also be used as a fire signal input such as from a sprinkler flow switch.

View the rest of Eaton's UL fire alarm system accessories; designed to enable you to tailor the system to the site

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Product codes

UL Listed 230Vac Relay Unit ULCMIO353

Technical specifications

Description:  120Vac / 230Vac Relay Unit
Standards:  UL864 9th edition
Signalling Line Circuit (Style 7, Class A, Supervised, Power Limited)
Voltage:  24Vdc
Current:  335μA to 395μA
Line Impedance:  50Ω
Output 1 (Programmable)  
Voltage:  120V ac to 230V ac
Contact Rating:  1A resistive
Power Factor: 1
Environmental  
Operating Temperature:  0°C to 49°C
Humidity (Non-condensing):  0 to 93 % RH
Physical  
Dimensions (HxWxD):  129mm x 180mm x 60mm
Weight:  0.28kg
Ingress Protection: IP65
Compatibility: Suitable for use with Eaton UL fire systems
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