Safety interlock key CE Marking—Tested and Approved Only Prosafe products carry the prestigious BG mark. New Square D/ Telemecanique XCSZ31 Safety Interlock Key Type XCS NIFP. In Stock. Jul 3, 2018 · Trapped-key interlocking systems have many advantages, particularly in challenging environmental conditions and where low-frequency access increases the risk of undetected faults, resulting in the loss of safety function when the interlock fails. Sponsored. shut. Sentric’s trapped key interlocks operate on the principle that the key can be removed only when the locking bolt is in a predetermined position. By using coded keys and door locks, safety devices such as doors, shutters and flaps can only be opened when the system is switched off (and the run-down time is expired). To help you safeguard the long-term protection of your people, productivity and reputation, Sentric has united the world-leading safety solutions and trapped-key interlock brands. Watch our corporate video to see how we make workplaces safer. A sign of safety, independently tested by the German Berufsgenossen-schaftliches Institut für Arbeitssicherheit, "BIA. Circuit breaker key interlock explained 880×499 37. Safety switches monitor doors, gates, and other movable physical guards that separate personnel from a hazard. e. Fortress Interlocks key switches can easily be expanded with additional locking mechanisms to open multiple doors What is the mGard Trapped Key System? mGard is part of the Fortress range of mechanical interlocked key systems. While the switch is turned on, the key is held by the WHAT ARE SKORPION TRAPPED KEY INTERLOCKS? TRAPPED KEY INTERLOCK SYSTEMS IDEM’s Trapped-key interlocks utilise locks and coded keys for sequential control of equipment and machinery to ensure safe operation. The LS-Titan safety interlock family is comprises of three types of safety switches: key interlock, door-flap and door hinge switches. Safety interlock switches are safety devices used for checking whether movable machine guarding such as doors, fences, and covers are opened or closed. The interlock Trapped Key Interlocks in Robust, 316 Stainless Steel IDEM’s Skorpion Trapped Key System has been developed to provide extremely robust mechanical coded key safeguarding and interlocking for hazardous machinery and applications. Choose from our selection of safety interlocks, including frame-mounted safety switches, hinge-actuated safety switches, and more. A complete range of isolators, key exchange, miniature valve interlocks and gate interlocks—all using the same key principle. 4. MICRO SWITCH GK Series switches are key-operated safety interlock rugged metal switches which monitor the positions of gates, guards, or doors. When the actuator is inserted the trapped key can be rotated and removed, locking the guard door. Leading Manufacturer of Safety Interlock Switches and Machine Guard Safety Switch Devices for Automation and Process Safety A complete trap key system includes the control switch as well as a gate interlock system; control switches with or without solenoid locking purchased separately from gate interlock For safety applications up to Ple/Category 3 according to EN/ISO 13849-1 A trapped key interlock is a safety device applied to two or more moveable parts, preventing (or allowing) a movement or operation of one part only when another part is locked. Interlock Switches detect the opening of guards or doors for prevention of access to hazardous areas and safely stop machines. The Fortress Interlocks trapped key system is the only interlock system on the market that is TüV certified for use in PLe according to EN / ISO 13849 and SIL 3 according to EN 62061 machine safety applications. For a machine Fortress Interlocks. In order to safely unlock the guard door, the trapped key must be re-inserted and rotated 90°. KEYENCE’s GS Series Safety Interlock Switches are available in locking type—either power-to-release (GS-50) or power-to-lock (GS-70) models—and non-contact type (GS-10). HS5L-K Key-type Interlock Switches. Buy It Now. Fortress Safety designs and manufactures customised safety equipment, protecting lives in hazardous workplaces. $5. Opens in a new window or tab. Key Updates in the Revised ANSI Allen-Bradley 440T-MRKSE11DD 1-Key Rotary Trapped Key Interlock Switch, 690 V, 20 A, 50/60 Hz Frequency, 7. 440K MT-GD2 Tongue Interlock Switches Our MT-GD2 Tongue Interlock Switches are tongue- or key-operated safety interlock switches that fit at the leading edge of sliding, hinged, or lift-off guards. Nov 10, 2022 · Comparing interlocks with safety sensors and perimeter switches. 99. Since they were founded in 1922, innovation and invention have been their focus. Our market-leading products prevent access to hazardous machine areas and ensure safety procedures are enforced. to reduce the hazards caused by improper switching operations. Get it as soon as Monday, May 19. The all stainless steel range are robust, durable, easy to install, invulnerable to dirt, sand, snow, ice, moisture and proven in all types of hostile environments. The ISS Safety range of trapped key interlocks are robust, easy to operate and can be easily fitted to a wide range of applications. 1m~0. When it comes to Mechanically Actuated Safety-Interlock Switches, you can count on Grainger. Our Trojan™ 5 & 6 Universal Tongue Interlock Switches are universal tongue- or key-operated safety interlock switches. A trapped key interlock system consists of a (lockable) key switch or bolt lock and one or more locks for monitoring safety devices Jan 25, 2017 · The function of the key interlock is to prevent an open breaker from being closed when the lock bolt is extended, and its key is removed. In addition, with more than 40 years of experience, Fortress Interlocks offers an extensive range of interlocks for virtually any machine safety The SS-HT-D-11 Trapped Key Interlock operates by using a spring loaded handle lock mechanism, which is locked when the first key is removed. Yes. Mechanical interlocking devices are robust and capable of withstanding dirty, dusty, and wet conditions. Alternatively, the M-BS can be used for power interlocking on switchgear, directly interfering with the cam. In this way the key is either trapped when the machine is running and access cannot be gained, or the key is trapped while access is gained and the machine cannot be started. The trapped key system works on the principle of releasing heavy duty coded mechanical keys in a pre-determined sequence to ensure machine power has been isolated 5. In reverse, the door will not relock until the safety key is returned. The key portion of the switch is affixed to a movable door, cover or other such guard. The guard locking, on the other hand, is permanently mounted on Our 440T Trapped Key Bolt Interlock Switches allow access to hazardous areas only when an appropriate key is inserted into the interlock. Dec 21, 2018 · Xdodnev CZ93-K1 Door Safety Interlock Switch Actuating Key Silver Tone Direct Acting. The M-BS Trapped Key Interlock operates by using a locking bolt mechanism, which is extended when the key is removed. (initial) Insulation resistance: 100mΩmin. When the key is inserted, it becomes “trapped” in the lock The key will not turn unless the remaining keys are put back in place. Trapped key interlock transfer block. Viper: Safety Relays, DIN-Rail, Added Diagnostics – All Safety Relays; Power Supply, DIN-Rail, 6 Outputs Voltage Terminals – All The AIES is a dual key access interlock complete with electrical contacts for use on hinged or sliding doors. A key lock type safety interlock switch is a type of safety interlock switch that incorporates a key-operated mechanism for controlling access to hazardous areas or equipment. There are four different styles of keys and a variety of switch contact arrangements to satisfy the requirements for most applications requiring a safety interlock key switch. The switch is sealed to IP65 with 1N/O 2N/C contacts, it is rated to 10 amps making it ideal for use in cross monitored safety systems. " Choose from our selection of interlock door switches, including frame-mounted safety switches, hinge-actuated safety switches, and more. Some XCS Safety Interlock Switches protect machine operators by stopping the machine when the guard or door opens, withdrawing the actuator attached to the Apr 23, 2025 · Fortress Safety and Deebar implemented interlock blocking solutions for Heineken to protect personnel from unexpected start-up. Once all safety criteria are met the door will still not open until an employee removes the safety key. The key can be inserted from the top or side of the switch which allows more flexibility in mounting the switch in the application. Free 2-4 day shipping. If your business operates in harsh, safety-critical environments, the risks can be many and complex. Mechanical interlock prevent improper usage. Another significant benefit of trapped-key interlocking is the ability of the interlocking devices to withstand infrequent use. Trapped key interlocking ensures sequential operation in process industries with pre-defined selection of locks and keys. Interlock Lock and Key Requirements The general interlock components utilized in key interlock systems include: • lock • supporting housing • movable locking bolt • cam arranged to move the bolt in response to the operation of a correct key in the lock The degree of safety achieved in key interlock systems depends almost entirely upon The XCS line of Safety Interlock Switches is one of the most comprehensive catalogs of industrial safety switches on the market, providing a range of options for most machine applications. Safety keys work by blocking the interlock once the door is opened. No Banner SI-QS90E Safety Interlock Switch Key Actuator Included Mechanical Lock Banner SI-QM-SSA Safety Interlock Switch Actuator Actuator Included Mechanical Lock Allen Bradley 440G-MT Interlock Switch Guard Lock Moved Permanently. mGard can enforce specific key sequences, particularly in applications involving multiple energy sources. to the moving part of the guard. Safety Door Switches Door Switches without guard locking monitor the state of guards or covers. This will be illustrated using the example of a safety door: The actuating element of the solenoid interlock is attached to the door itself - i. Jun 10, 2020 · ATO Safety Interlock Switch, 24VDC Interlock Switch, NC/NC Safety Key Interlock Switch for Locking/Detecting The Guard Door of Mechanical Equipment, IP67 Safety interlock switches are safety devices used for checking whether movable machine guarding such as doors, fences, and covers are opened or closed. Do you need to know more about reducing risk and eliminating human error in hazardous areas?Implementing a trapped key interlock safety solution, fix mounted Omron's door switches detect the opening of guards or doors to prevent unauthorized access to hazardous areas and ensure the safe implementation of emergency equipment stoppages. High tension testing and Hazardous processing facilities are equipped with Safety Interlock to disable the electric supply when the service door or manhole is open. Key Interlocks vs Lockout/Tagout . 29. Operating the first key allows the secondary key to be released, unlocking the handle and allowing access to the hazardous area. With these bolt interlocks, there is no need to run power wires to the gate. As electrical safety standards evolved during the 20. (at 500VDC) Rated insulation voltage(UI): 400V Dielectric May 8, 2025 · At Fortress, we specialise in machinery safety and interlocking, delivering life-saving solutions that have protected workers globally since 1977. IDEM Safety has installed its Mechanical Trapped Key Interlock system at a recycling plant in the North-West. Trapped key interlocks provide mechanical safety control for machinery, ensuring secure access with coded keys—ideal for harsh and hygienic environments. Key interlock switches are a two-piece design, made up of the switch and key (actuator). Enquire Now Configure your mGard Jump […] Jun 23, 2013 · Xdodnev CZ93-K1 Door Safety Interlock Switch Actuating Key Silver Tone Direct Acting. Due to the mechanical nature of Trapped Key, the need for electrical wiring associated with other types of interlocks is not required. Same and Next Day Delivery. The AIES contacts can be used to switch off the machine via its control circuitry or to initialise a signal to visual beacons/sounders. Thus the operator is kept completely safe whilst the safety key is in their pocket. The secondary key (often referred to as the personnel key) is taken inside the hazardous area to reduce the likelihood of an Quickly access technical specifications and installation instructions for Allen-Bradley Bulletin 440 trapped key safety interlock switches. Brand New. Cost-effective, easy to install and maintain, and ideal for areas difficult to reach with cables. To prevent access to the inside of an electric kiln, a trapped key system may be used to interlock a disconnecting switch and the kiln door. To design interlock components into an integrated safety system there are a number of key questions that need to be addressed. The Schmersal Group relies on the concept of the ‘separate actuator’ for every safety interlock. Interlock systems go beyond the well-known lockout/tagout procedures common in industry today. The document has moved here. This range of products is third-party certified and are suitable for use in applications up to PLe/Cat. CZ93-K1 Door Safety Interlock Switch Actuating Key Silver Tone Direct Acting Furniture Electric Hardware Durable Tool Features: Safety Interlock Switch Key Characteristic: Rating: 3A 240VAC (A300) Operating speed: 0. 5m/s Operating frequency: 30operations/minute Contact resistance: 20mΩmax. 2 out of 5 stars The XCS line of Safety Interlock Switches is one of the most comprehensive catalogs of industrial safety switches on the market, providing a range of options for most machine applications. mGard is the product group of Fortress interlocks of mechanical key transfer systems (interlocks). Supplies and solutions for every industry, plus easy ordering, fast delivery and 24/7 customer support. Trapped-key systems have many other advantages and relatively few disadvantages. the key. The key of this switch can only be turned after the magnetic coil has been energized by the safety controller. During the electrification of London, they produced products to safeguard the workers installing the electrical grid. Castell Safety International is known worldwide for the manufacture of trapped key safety interlocks. They send a signal to the machine control system if the guard has been opened, removed, or out of position. . 440N Ferrogard™ 1, 2, 20 and 21 Non-contact Interlock Switches; 440N Ferrogard 3, 4 and 5 Non-contact Interlock Switches; 440N Ferrogard 6, 9, 10, 13 and 14 Non-contact Interlock Switches; 440N Ferrogard GD2 Non-contact Interlock Switches; 440N Ferrogard GS1 and GS2 Non-contact Interlock Switches; 440N Magnetically Coded Non-contact Interlock . To help you safeguard the long-term protection of your people, productivity and reputation, Sentric has united the world-leading safety solutions and trapped key interlock brands. The released key can be used as a safety key. Trapped Key Control Isolation Switches (Hazardous Area) – Stainless Steel – Die-Cast; Tongue Operated Safety Interlocks (Hazardous Area) – Stainless Steel – Die Cast – Plastic; Safety Monitoring Relays. Teksal Safety is the Australian distributor for Fortress Safety interlocks and Pilz machine access and guarding solutions, including trapped key interlocks, access control products, and fluid power safety solutions. amGardpro is the ultimate range of safety gate switches, from Fortress Interlocks. TL4024 Safety Interlock Switches In-person help to solve key industry challenges Trapped-key interlocks can be found in many industrial settings including electrical utilities, railway, petroleum, and chemical plants as a response to occupational safety and health legislation. Another example is an electric kiln. Figure 3: The mere closing of guard interlocks doesn’t trigger the restart hazardous machine processes; instead, those honors go to a separate double-duty control interlock or start switch like the soft-touch capacitive finger switch shown here. $39. th century, the application of key interlocks has greatly expanded. 29 $ 5. mGard is the only interlock system on the market to be TüV certified to PLe (EN ISO 13849-1). With its unrivalled design concept, amGardpro offers a range of fully integrated safety interlocks, including solenoid and non-solenoid safety switches complete with a host of additional options including key control modules, redundant sensors , internal and escape release, lock out/tag out and push buttons 6 | 120-013-01-TGVI ISO 14119:2013 - Safety of Machinery –Interlocking devices associated with guards –Principles for design and selection Overview Current version of ISO 14119 is ‘2013’ version The Allen-Bradley 440T Slamlock™ Trapped Key Interlock Switches feature trapped keys with tongue actuated interlocks. It is commonly used in industrial applications where a higher level of security and control is required. The key is attached to the moving portion of the gate, guard, or door. Trapped-key interlocks are widely used to ensure safe access to potentially live or dangerous plant or equipment in an industrial setting. 5 kW Power Add to Cart SKU: AB440TMRPSE10AF Mechanical Trapped Key Interlocks A range of mechanical trapped key interlocks designed to enforce processes without the need for electrical wiring. The all stainless steel range are suitable for use in washdown environments with clean-in-place (CIP) and steam-in-place (SIP) automated methods of cleaning and sterilizing process systems. (Image source: Getty Images) Safety interlock switch with guard door locking You are currently viewing the . Or this key can give access to the safeguarded machine using a door lock. These stainless steel bolt interlocks provide a rugged, industrial-grade method of helping prevent access through gates. 5 KB Photo: Key interlocks prevent an open breaker from being closed. Key Included. Some XCS Safety Interlock Switches protect machine operators by stopping the machine when the guard or door opens, withdrawing the actuator attached to the Door locks or door interlocks guarantee safe access to machines and installations as part of an interlock system. Inserting and turning the appropriate key retracts the bolt, allowing access to the hazardous area. Interlock devices A key lock type safety interlock switch is a type of safety interlock switch that incorporates a key-operated mechanism for controlling access to hazardous areas or equipment. The compacting machine on which the system has been installed demonstrates the capability and flexibility of IDEM Trapped Key safety system. GK Sep 30, 2024 · The electromechanical key switch on the control panel triggers the interlock safety function. 4 or SIL3 levels. nbjlwn ajch qsxn rzht hnraz knvlr dbzgx xezwp cpygorv eyivy