Small safety relay for equipment

28 June 2006 Circuit & System Protection

Wieland Electric has expanded its range of safety switching devices with the SNO 2004K.

This safety switching device provides single-channel monitoring of safety sensors such as emergency stop buttons, protective door switches, etc. It provides two safe NO contacts on the output side. It can furthermore transform safe semiconductor outputs (such as in safety controls or safety light curtains) into safe relay outputs.

The unit has dimensions of 22,5 x 82,5 x 92 mm (W x H x D) and requires only a little space inside the control cabinet. Its low profile makes it also suitable for flat control cabinets. The switching device provides either an automatic or a manual reset input. The maximum output current is 8 A.

The device is an alternative to manually wired contactor combinations. It is applied in mechanical and system engineering in the packaging industry, in plastics moulding, woodworking and construction material processing as well as for robots, transport and construction machines, and combustion and elevator systems.

Further reading:

EMC limits and levels
Altron Arrow Editor's Choice Circuit & System Protection
As soon as electronics and electrical systems started interfering with each other, the world had to come to some consensus. Considering physics is universal and does not care about what country electrical/electronic products are used in, it should be the same everywhere, right? It is nearly there, but not quite.

Read more...

---

Clearing the Static: The importance of cleaning in ESD control
Circuit & System Protection
The proper cleaning of ESD-safe areas and equipment such as workstations, floors, mats, trays, and tools using specialised antistatic cleaners is vital to prevent ESD damage.

Read more...

---

Safety relay for explosive areas
IOT Electronics Circuit & System Protection
Phoenix Contact has expanded its safety portfolio with the new PSR-MC35-EXI safety relay module, specifically engineered for use in potentially explosive environments.

Read more...

---

Clearing the Static: Ensuring effective ESD control
Actum Circuit & System Protection
To maintain reliable electrostatic discharge control, regular testing and accurate measurement are essential, with grounding products and ESD testing equipment being vital.

Read more...

---

Clearing the Static: The importance of ESD audits
Actum Circuit & System Protection
An ESD audit is the first step in establishing an effective static control programme in the workplace, and will help identify vulnerable areas and potentially hazardous static zones that require improvement.

Read more...

---

EMI shielding materials application guide
Circuit & System Protection
TE Connectivity’s shielding solutions include electrically conductive elastomers, gaskets, knitted wire mesh, oriented wire, EMI shielding ventilation panels, shielded window, cable shielding and shielding components.

Read more...

---

Clearing the Static: ESD containers and packaging
Actum Circuit & System Protection
         Vacuum forming ESD Electronic components can be damaged by electrostatic discharges. To protect against such damage, electronic assembly parts are often transported or stored in vacuum formed component ...

Read more...

---

Electrostatic discharge chairs
Actum Circuit & System Protection
An ESD chair forms an integral part of grounding within the electrostatic discharge protected area to prevent potential damage to products.

Read more...

---

Conductive ESD footwear
Actum Circuit & System Protection
Conductive ESD footwear is used in conjunction with other grounding devices, such as a wrist strap, cord, and ESD surface mats, to provide a continuous path to ground.

Read more...

---

Clearing the Static: The importance of cleaning in ESD control
Actum Circuit & System Protection
To prevent Electrostatic Discharge (ESD) damage to sensitive electronic assemblies and components, all production, handling, packaging, and storage must take place in an ESD-protected environment.

Read more...

---