Electrical Safety Devices
part#
description
manufacturer
2909567
Hybrid motor starter as an alternative to a conventional reversing contactor. Reverses 3~ AC motors up to 9 A, provides motor protection and emergency stop up to SIL 3/PL e. Group shut-down, supply, and relay extension possible via DIN rail connector.
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2908700
Hybrid motor starter as an alternative to a conventional protective circuit. Starts 3~ AC motors up to 3 A, provides motor protection and emergency stop up to SIL 3/PL e. Group shut-down, supply, and relay extension possible via DIN rail connector.
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2902725
Multifunctional safety relay for emergency stop and safety doors up to SIL 3, Cat. 4, PL e, automatically or manually monitored activation, 4 N/O contacts, 3 safety functions, 2 shutdown levels, plug-in screw terminal block
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2906609
Universal Termination Carrier for connecting 16 MINI PSR SIL coupling relays to digital output cards, via D-SUB connector, 37-pos. (1:1 connection)
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2702524
Coupling relay for SIL 3 high and low-demand applications, couples digital output signals to the I/O, 1 enabling current path, 1 confirmation current path, safe state off applications, test pulse filter, fixed screw terminal block
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2700572
Safety relay for two-hand control devices according to EN 574 type IIIA, up to SILCL 1, Cat. 1, PL c, synchronous activation monitoring < 0.5 s, 2 enabling current paths, US = 24 V DC, pluggable Push-in terminal block
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2700575
Safety relay for two-hand control devices according to EN 574 type IIIC, up to SILCL 3, Cat. 4, PL e, synchronous activation monitoring < 0.5 s, 2 enabling current paths, US = 24 V DC, pluggable Push-in terminal block
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2702095
Safety relay for emergency stop, safety doors, light grid up to SILCL 1, Cat. 1, PL e, 1- or 2-channel operation, cross-circuit detection, can be retriggered, fall back/on delay 0.2 s to 60 s, 2 enabling current paths, US = 24 V DC, pluggable Push-in term
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1015533
Safety relay for emergency stop, safety doors, light grid up to SILCL 3, Cat. 4, PL e, 1- or 2-channel operation, cross-circuit detection, can be retriggered, fall back/tightening delay 0.2 s to 300 s, 5 enabling current paths, US = 24 V DC, plug-in screw
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2981871
The sensor box PSR-SACB for safety limit switches safely interconnects up to 4 connected limit switches, each with 1 N/C contact and 1 N/O contact, to a safety relay combination, e.g. PSR-SDC4, cable length: 5 m
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2901416
Safety relay for emergency stop and safety door monitoring up to SIL 3 or Cat. 4, PL e according to EN ISO 13849, single or two-channel operation, 3 enabling current paths, nominal input voltage of 42 ... 48 V AC/DC, plug-in screw terminal blocks.
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2901429
Safety relay for emergency stop and safety door monitoring up to SIL 3 or Cat. 4, PL e in accordance with EN ISO 13849, 1- or 2-channel operation, 3 enabling current paths, nominal input voltage: 230 V AC/DC, pluggable Push-in terminal block
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2901425
Safety relay for emergency stop and safety door monitoring up to SIL 3 or Cat. 4, PL e in accordance with EN ISO 13849, 1- or 2-channel operation, 3 enabling current paths, nominal input voltage: 120 V AC/DC, pluggable Push-in terminal block
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2981619
Cable adapter for PSR over-speed safety relays (PSR-RSM4 and PSR-MM30), 15/8-pos., cable length: 2.5 m, for controller: Indramat
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2981664
Cable adapter for PSR over-speed safety relays (PSR-RSM4 and PSR-MM30), 15/8-pos., cable length: 2.5 m, for controller: SEW
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2981758
Cable adapter for PSR over-speed safety relays (PSR-RSM4 and PSR-MM30), 15/8-pos., cable length: 2.5 m, for controller: Parker Drives
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2902984
Cable adapter for PSR over-speed safety relays (PSR-RSM4 and PSR-MM30), 9/8-pos., cable length: 2.5 m, for controller: ELAU
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2981897
Adapter for PSR-RSM, hardware interface for HTL encoder - signal conditioning
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2702355
Safety relay module for sensorless standstill monitoring for 3- and 1-phase motors to SILCL 3, cat. 3, PL e, two-channel evaluation of the residual voltage of AC, three-phase, and DC motors, plug-in screw terminal block, width: 12.5 mm
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PILZ-750111
Pilz PILZ-750111 is a safety relay designed for single or dual-channel operation with functions including safety gate monitoring, instantaneous E-STOP monitoring, limit switch monitoring, and light beam device monitoring for both type 2 and type 4 devices. It supports monitored manual reset, start-up testing, and self-test functionalities. This part is suitable for DIN rail mounting and operates within an ambient air temperature range of -10 to +60 °C. It has a net height of 98 mm and is specifically designed for furnace safety valve applications. The safety output contacts are rated at 6A for 24Vdc (DC-1), 1.5A for 240Vac (AC-1), 0.4A for 24Vdc (DC-13), and 0.6A for 230Vac (AC-15). Connection is facilitated through plug-in/detachable screw terminals, and it falls under the PNOZ s4.1 sub-range. The dimensions include a width of 22.5 mm and a depth of 120 mm, with a degree of protection rated at IP40. The supply voltage requirement is 20.4-26.4Vdc (24Vdc nominal), and the housing is made of PC material. Power consumption is rated at 2.5 W. It features 3 x instantaneous safety outputs and 1 x instantaneous auxiliary output, plus 1 x auxiliary output (semiconductor output), with 2 operating modes for detecting shorts across contacts. Digital inputs include 2 x digital inputs and 1 x reset/start input.
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Electrical Safety Devices
General Guide & Overview
Electrical safety devices are crucial in both industrial and residential settings to protect against potential electrical hazards. Incorrect handling of electricity can lead to fires, electrocution, and serious injuries. Fortunately, there are a variety of safety devices available to prevent such dangerous situations.
So, what are electrical safety devices? These devices are specifically designed to mitigate the risks associated with electricity. They work by detecting abnormalities, interrupting the flow of electricity, or providing grounding mechanisms to ensure user safety.
In industrial settings, electrical safety devices play a vital role in preventing accidents and maintaining a secure working environment. They are used to safeguarding equipment, prevent electrical fires, and protect workers from electric shock hazards.
In residential settings, electrical safety devices are essential for creating a safe home environment. They help prevent electrical fires, minimize the risk of electrical accidents, and protect individuals from potential electrocution.
Common electrical safety devices include circuit breakers, ground fault circuit interrupters (GFCIs), surge protectors, arc fault circuit interrupters (AFCIs), and isolating transformers. Each device serves a specific purpose in protecting against different types of electrical hazards.
By understanding electrical safety devices and implementing them appropriately, industries and homes can ensure the highest level of electrical safety for their workers and inhabitants, minimizing the risk of accidents and injuries.
The Importance of Electrical Safety
Working safely with electricity is crucial to prevent accidents, injuries, and potentially disastrous consequences. It is vital for individuals to understand the various risks associated with electrical systems in order to mitigate these dangers effectively.
Electrical Safety Risks: Electricity poses several risks if not handled properly. Some common safety risks include electrical fires, electrocution, and damage to electrical devices and appliances. It is essential to take appropriate measures to minimize these risks and ensure a safe working environment.
Electrical Fires: Improper electrical installations, equipment malfunction, and overloaded circuits can lead to electrical fires. These fires can spread quickly and cause significant damage to property and even endanger lives. Understanding the causes and implementing preventative measures are essential to reduce the risk of electrical fires.
Electrical Wire Colors: Familiarity with electrical wire colors is crucial for safety. Electrical wires are color-coded to indicate their purpose and voltage. Understanding these color codes helps in proper installation, troubleshooting, and maintenance of electrical systems, reducing the risk of accidents and injuries.
Basics of Electrical Safety: Implementing basic electrical safety practices is essential for everyone, especially those working with electricity regularly. These include wearing proper personal protective equipment (PPE), ensuring proper grounding of electrical systems, using circuit breakers and fuses, and avoiding contact with live wires. Adhering to these fundamental safety measures greatly reduces the risks associated with electrical work.
The Role of Electrical PPE in Safety
Personal protective equipment (PPE) is essential for safeguarding workers against potential electrical hazards. When working with electricity, there is always a risk of arc flash and shock hazards. These PPE requirements are put in place to minimize the severity of injuries and protect individuals from life-threatening incidents.
One of the most critical aspects of electrical PPE is protecting against arc flash incidents. An arc flash can occur when there is an electrical fault or short circuit, resulting in a release of intense heat and light. Without proper protection, workers can suffer severe burns and other injuries. To mitigate these risks, electrical PPE includes flame-resistant clothing, face shields, and arc-rated gloves.
In addition to arc flash protection, electrical PPE also addresses the risk of shock hazards. Electrical shocks can cause serious injuries, including cardiac arrest and burns. To prevent such incidents, workers must wear insulated gloves, safety boots, and other appropriate gear when working with live electrical systems.
Moreover, it is crucial to ensure that workers have the necessary training and knowledge to use electrical PPE effectively. They should understand the different PPE requirements for specific tasks and be aware of the limitations and guidelines for their use. Regular inspections and maintenance of PPE are also vital to ensure their reliability and effectiveness.
FAQ
What are electrical safety devices?
Electrical safety devices are equipment or devices designed to prevent electrical hazards and protect people, property, and equipment from potential dangers associated with electricity. These devices are used in industries and homes to ensure the safe use and management of electrical systems.
Why are electrical safety devices important in industry?
Electrical safety devices are crucial in industry because they help prevent electrical accidents, fires, and injuries. They ensure the safe operation of electrical systems and protect workers, equipment, and property from the potential hazards of electricity.
What are some common electrical safety devices used in industry?
Some common electrical safety devices used in industry include circuit breakers, ground fault circuit interrupters (GFCIs), surge protectors, arc fault circuit interrupters (AFCIs), and residual current devices (RCDs). These devices help detect and prevent electrical faults, overloads, and ground faults, improving overall safety.
How do electrical safety devices work?
Electrical safety devices work by monitoring and controlling the flow of electrical current. For example, circuit breakers automatically trip and interrupt the circuit when they detect an overcurrent or overload. GFCIs detect ground faults and quickly shut off power to prevent electric shock. Surge protectors divert excess voltage to protect connected devices. AFCIs detect dangerous arcing faults and interrupt the circuit. RCDs monitor the balance of current flow and trip when they sense a ground fault.
What is the purpose of personal protective equipment (PPE) in electrical safety?
Personal protective equipment (PPE) plays a crucial role in ensuring electrical safety. It is designed to protect workers from electrical hazards, such as electric shock and arc flash. PPE includes specialized clothing, gloves, goggles, helmets, and footwear that provide insulation and resist electrical current to minimize the risk of injury.
What should be considered when using electrical PPE?
When using electrical PPE, it is important to ensure that it is the appropriate type and rating for the specific electrical hazard. PPE should be regularly inspected for damage, and workers should receive proper training on its correct usage. Additionally, it should fit properly and be comfortable to wear to ensure maximum effectiveness in protecting against electrical hazards.