tGard Component Range Card
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Protecting People, Protecting Productivity Medium duty interlocks independently certified to PLd

Introduction to Fortress: Fortress designs and manufactures customised safety equipment, protecting lives in hazardous workplaces. Our reputation is as a global provider of robust safety specifications for manufacturing environments. Why Interlocks? Interlocking is a method of controlling two or more interdependent operations which must take place in a predetermined sequence, if necessary remotely controlled or time delayed. The need for this sequence may be safety to personnel and equipment, or it may be to control processes and productivity. Over the last 40 years, Fortress has become...

tGard is a compact metal bodied system that enables the configuration of various safety products including electrical safety gate switches (with or without guard locking), mechanical trapped key interlocks, and electrical operator controls either as separate devices or any combination of these three functions in one unit. tGard offers “a customised safety solution, as standard”. Each order is defined by a range of tGard elements that include selector switches, safety switches (solenoid and non-solenoid), personnel keys, emergency release, pushbuttons, E-Stops, indicator lamps and a choice...

Body Transfer Line Application Requirement: Due to the size of the safeguarded space surrounding body transfer lines in an automotive plant, there are blind spots where a maintenance personnel could be performing work unknowingly to a line operator requesting the line to run. This could lead to the line running while maintenance personnel are still working within the cell. Therefore, the transfer line must be safeguarded to ensure access into the line can only be permitted while power to the line has been isolated and the safety circuits remain open until all personnel have exited the...

Robot Pallet Stacker Application Requirement: Robot arms require safeguarding measures during operation and when carrying loads. The robot pallet stacker below has two access points and a single central control panel. When mains power is isolated to the system, the Power-to-Lock solenoid is de-energised and Access keys for the access points are released. Mechanical only interlocks at the guard can be opened with an Access key whilst also providing a personnel key for the operator to take inside the cell to prevent restart. * Solenoid Unlocked Application Requirement: Safety Switch Open...

Conveyor System Application Requirement: The conveyor system in an automated warehousing application below is safeguarded by interlocked guards. Access is required to remove incorrect packages or clear blockages on the conveyor. The solenoid interlock keeps the guard locked until the conveyor stops, pushbutton functionality for additional control is included. The inclusion of an escape release mechanism allows any operator who finds them self behind a locked guard to override the keys and / or solenoid to exit. Escape Release Function Solenoid Unlocked Application Requirement: Safety Switch...

Guard Switch Guard Lock with Integrated Machine Control Personnel key available for operator to carry Guard Lock Guard Lock with Trapped Key Integration Power-to-Unlock solenoid with safety switch Access restricted to key holders, personnel key available for operator to carry Guard Lock with Escape Release Control Station Power-to-Unlock solenoid with safety switch. Escape release overrides locking mechanism and creates stop command Control Station with emergency stop, indicator lamp and pushbuttons

Access Lock Safety Lock Handle Actuator Extension Blank Element Escape Release Safety Switch & Solenoid Core Elements Handle Actuator (No Internal knob) Emergency Stops Safety Switch Sliding Actuator Fixed Actuator Hinged Actuator Actuators Head Range Card Safety Re-Start

Mushroom Pushbutton Self Wire Lockout Clip Safety & Control Quick Disconnect Connectors 2 Position Selector Switch Base Elements 2 Position Selector Key Switch 3 Position Selector Switch 2 Position Selector Switch Keys & Accessories Non-Illuminating Switches Illuminating Switches Indicator Lamps Core Elements For more information on the Lockout Clip see Head & Cap Element Operating Instructions 3 Position Selector Switch

Configuration tools are available on the Fortress website, www.fortressinterlocks.com/tgard-configurator THE - Actuator + Head Combined TRX - Escape Release TSN - Safety Lock TSMDL - Solenoid TEC - E-Stop TLG - Green Indicator Lamp Order of Stack: 1. Actuator 2. Head 3. Escape Release 4. Safety Locks 5. Access Locks 6. Safety Switch / Solenoid 7. E-Stop 8. Re-start button 9. Control (any order) 10. QD / Cable / Self wire tGard stack has a maximum of 10 bays. TW3 - Quick Disconnect Gard Configuration Guideline At the end of the selection process, the part numbers drop their “T”, except the...

Actuators Step 1: Actuators TAH Handle Actuator Hinged Door TAS Handle Actuator Sliding Door TEN Handle Actuator (no internal knob) TEH Handle Actuator The internal knob on TEH handle doesn't override the solenoid or lock. A TRX/Z (emergency release element) must be used to deliver that functionality All Actuators to be used in combination with a THM head module Heads Step 2: Head Modules You can combine a actuator with a head to generate a single part number THM + TAF = THF Head module including fixed actuator THM + TAH = THH Head module including hinged actuator THM + TAS = THS Head...

TRX Standard 60mm Escape Release TRZ Variable length Escape Release Extended version available (TRZ) - < 300mm Step 4: Safety & Access Lock Element All keys need to be ordered separately Standard Safety Master Safety Lock (No Key)* Lock (No Key)* Standard Access Master Access

Core Elements Step 5: Safety Switches TSP Safety Switch with extra retention force TSS Safety Switch No N/O monitor contact Step 6: Solenoid Controlled Lock & Safety Switch Elements 90% of customers select TSMDU TSMDU/L Head & solenoid safety in series TSMDU (Power-to-Unlock) TSMDL (Power-to-Lock) TSMEU/L Safety on head element only TSMEU (Power-to-Unlock) TSMEL (Power-to-Lock) TSSEL Safety on head element only (no monitoring contact on head) TSSEL (Power-to-Lock) Location of safety switch in stack is first element after all mechanical elements (Head, Internal Release and Locks)