TripMasterXL-HD EPO Control

The TripMasterXL HD (Heavy Duty) Emergency Power Off Control Center (EPOCC) is designed to provide 16 Form “C” EPO output contacts rated for 5amps@120VAC continuous loads. Each relay output is field selectable to the EPO inputs to provide the best EPO solution for any facility. The TMXL-HD simplifies designing EPO control systems by providing heavy duty relay outputs for 16 outputs, each isolated high current relay output is protected with MOVs to ensure long relay life.

The standard design of the TMXL-HD eliminates the problems found when using custom designed and site built EPO control systems. The TMXL-HD is a perfect control for EPO operations. Two independent EPO inputs allows the customer or engineer to easily choose one input for EPO buttons the other for fire panel input.Time delays can be added to either input for a time protected input to prevent accidental shutdown. Both EPO inputs can be protected using multiple time delays and each can be field selected for the best protection timing.

The relay outputs provide Form “C” non-powered relay contacts. Each relay contact is protected with individual MOVs for a lifetime of dependable relay operation. The 5 amp continuous duty contacts can control virtually any emergency shut down duty.   Each relay output is isolated making it easy to mix control voltages without risky onsite wiring kluges.

When a remote EPO switch or fire alarm contact is activated a latching relay senses the signal and locks all the output relays on that EPO channel in the EPO position. Once in an emergency position, the TMXL-HD will require a manual reset to return to normal operation. 

Battery Backup

Each TMXL-HD is supplied with a DC voltage power supply that provides an input for standard batteries. The TMXL-HD also provides charging for the batteries.

Time Delay

The TMXL-HD can be equipped with up to two optional adjustable time delays for the EPO latching circuit. The Time delay (TM-TD) will prevent accidental shunt tripping by delaying the EPO shutdown input. This will prevent accidental shut down due to human error when depressing control buttons next to exit doors. 

Optional Internet AD Remote Dialer
The optional (TM-AD) allows the TM-MOD to remotely announce alarms using the Internet to email, cell phones, SMTP or MODBUS.  This option requires an Ethernet connection to the Internet provided by others.  The alarm inputs to the TM-AD are factory pre-wired.  Six total alarm types can be sent to remote cell phones or tablets as text messages. Emails can be sent to remote PCs or direct connection to other facility monitoring or control systems using SNTP or MODBus. TM-AD is field programmed via web browser and the TM-AD stores historical data logging of alarm events. 

The TM-AD optional can be added at the factory on order or as a separate panel to existing field systems.

TripMaster EPO Options
To help complete a total emergency power off control solution we offer a wide range of Remote EPO switches, beacons, horns and RSP remote status panels. We can provide all your accessory needs.


Number of Outputs
Relay Rating (Continuous)
Relay Contact Type
Form C
MOV Protected Relay Contacts
Number of EPO Inputs
Independent EPO Inputs (Output Selectable)
Display Typye
Button Type
EPO Key Lock Safe/Inhibit Mode
Yes w/Audible
Alarm Output Relays (Dry Contacts)
EPO1, EPO2, Safe Mode, Power Fail.
Battery Backup
EPO Input Time Delay 0-30sec.
2- Optional
Power Requirement
24VAC (Trans Incld)
EtherNet AutoDialer One
AD One Notification Types
Text Msg, Email, SNMP, ModBUS.
Rempte EPO Mushroom Switch
Remote Status Panel
PDF Cut Sheet
PDF Manual
MS Word Guide Specs