What is a Castell key system?

Castell trapped key interlocks have been used as part of integrated safety systems across a wide number of industries worldwide for over 95 years. Our products are designed and manufactured to withstand the environmental conditions where people and assets need to be protected.

Why is a Castell key normal fitted to a UPS bypass system?

Under normal operation the two keys are trapped with the switches closed so the incomers are supplying. The system will allow an incomer to be opened (disconnected) and the key released. The system ensures that only two incomers are supplying at any time.

How do Castell keys work?

A key is used to start the process and remains trapped whilst the machine is running. The only way to remove the key is to isolate the hazard. This key is then used to gain access to the dangerous area and remains trapped in position while the gate or door is opened.

How does a trapped key interlock work?

Slamlock Trapped Key Interlock Switches When the actuator is inserted into the interlock (guard closed), the trapped key can be rotated and removed. With the key free, the actuator cannot be removed. This locks the guard door.

What is meant by interlocks?

: to become locked together or interconnected. transitive verb. 1 : to lock together : unite. 2 : to connect so that the motion or operation of any part is constrained by another. interlock.

What is a Ronis key?

ELP2 door interlocks are dual key units suitable for use on all panel, cabinet and transformer hinged doors. Inserting and rotating the Ronis keys allows the striker plate to be removed. Only when the door is closed and the striker plate in position can the keys be removed.

How does a maintenance bypass switch work?

With a maintenance bypass (MBP), utility power runs through the MBP via the UPS and then to the PDU and out to the rest of the equipment in the rack. Should the UPS need to be replaced, the power can be switched away from the UPS without having to shut down your equipment.

What is the use of static bypass switch in UPS?

Static Bypass switches are used to bypass the UPS normal operation, in cases of high inrush or fault conditions. Manual bypass switches are an added benefit to allow service and isolation for safety purposes. Correctly designed systems should enable these operations to be performed without loss of power to the load.

Can interlocks be used for Loto?

By using standard safety-rated devices – such as interlock gates and e-stop buttons – a plant manager can achieve safe, reliable machine access that replaces standard LOTO procedures without violating OSHA requirements.

How does Kirk key system work?

Kirk Key interlocking switches are a means of safeguarding your equipment and critical data. This feature eliminates the risk of accidentally dropping a data load. A sequence of steps through transferring keys can either trap or release access to a locked or open circuit breaker.

What is interlock Tshirt?

Interlocks are double knits with less stretch but more stability. They look pretty much the same on the back as the front. They will hold their shape longer but are more firm feeling than jerseys. You will find a rib collar on a jersey t-shirt. A jersey collar will not keep its shape for long.

What does it mean to interlock dreads?

What is Interlocking and Why Should You Care? The interlocking technique, called latch-hooking or root flipping, requires pulling the ends of a section of hair (or a dreadlock) through the root of that same section. This creates a “lock” of sorts and holds the hair in that position while a dreadlock forms.

What are the different types of Castell safety keys?

A selection of keys is available to suit a range of applications, from the basic nickel plated key to the stainless steel sealing key. The FS range of keys fits the figure style lock portion whilst the Q range fits the Q style lock portion. The flip cap provides both protection and the ability to use lockout tagout.

What did Castell, Bourre and Kirk keys do?

Therefore, such systems are commonly referred to as Castell, Bourré, Trayvou or Kirk keys. Both worked in the power generation and distribution industries in the early part of the 20th century, and both pioneered the use of trapped-key interlock for switchgear control.

How does the Castell exchange box work in a fire?

The exchange boxes enable both multiple isolations as well as multiple access through the transfer of keys. Access to the hazardous area needs to be assessed as either part body or full body access. Once this is determined an access lock can be selected. A part body access lock has only one lock and the isolation key is used to open this.

Which is Salvo Insite platform does Castell use?

The Salvo InSite platform digitises Castell’s Salvo Loading Bay Safety System, currently in use at tens of thousands of bays around the world. The new development launches Castell into the digital product arena with a web-based software application that allows the company to provide optimised productivity as […]