Skip to main content

PISA11 Protection Modules now Approved for NEC Class 2 Circuits

PISA11 protection units can be used to cost-effectively design four NEC Class 2 branch circuits using just one power supply and one PISA module.

For small currents up to 2A, PISA11.401 and PISA11.402 are sufficient. When an output close to the maximum 100W NEC Class 2 limit is required, the specially developed PISA11.CLASS2 is the ideal solution.

All outputs on these three PISA modules are classified as "Limited Power Source" (LPS) circuits according to the IEC/EN 60950-1 and therefore meet the requirements for NEC Class 2 circuits. The PISA modules can be supplied by power supplies of any power class. During the event of an overload or system failure, the maximum current is limited for a specific time, subsequently all four outputs on the PISA module shutdown. The outputs can be turned on again by pressing the push button on the front of the module or by applying an external control voltage. The internal protection mechanism in the PISA modules is redundantly designed, meaning that no hazardous situations can arise even in the event of a single fault or an equipment defect.

With the PISA11.CLASS2 module, the maximum output current is automatically adjusted to the supply voltage. This is necessary to obtain the maximum possible NEC Class 2 compliant output power, regardless of whether the supplying power supply is set to 24V, 28V or at the clock-wise end position of the potentiometer. It is of course essential that any adjustment of the output voltage potentiometer does not contradict the requirements of NEC Class 2. The PISA11.CLASS2 module allows a maximum 3.7A at 24V and 3.2A at 28V. This ensures that the NEC Class 2 requirements are always met.


Popular posts from this blog

Banner Engineering DF-G3 Discrete Fiber Amplifier Features World-Class Long Range Sensing Capability

Banner Engineering introduces its DF-G3 discrete long-range fiber amplifier with dual digital displays for use with plastic and glass fiber optic assemblies. Featuring increased sensing power, the DF-G3 can sense more than 3 meters (10 ft.) with opposed mode fibers or more than 1 meter (3 ft.) with diffuse mode fibers. The extra power provides increased detection reliability for dark targets at long range and enhanced detection sensitivity when using specialty fiber assemblies for large area and small part detection applications. The DF-G3 is available with a single discrete output or two dual discrete outputs. The dual discrete outputs can be independently taught to trigger at different intensity values, which is ideal for correct part-in-place or error-proofing, bottle down, and edge guiding applications. “We developed the DF-G3 fiber amplifier to meet our customers’ need to precisely detect smaller targets at longer ranges” said Dennis Smith, Senior Marketing Manager, Banner E

IDEC Releases New Line of High Efficiency Power Supplies

IDEC Corporation announces the PS5R-V line of DIN-rail power supplies, offering their customers high-efficiency in a compact form factor at competitive prices. These power supplies suit a wide range of needs in the industrial marketplace, and carry all of the required certifications necessary for use in these demanding applications. This next generation of the industry standard PS5R power supply family has updated features and specifications to meet current and future needs. The PS5R-V line of power supplies includes 10W, 15W, 30W, 60W and 120W versions, with additional versions coming soon. These power supplies have a very compact form factor with overall dimensions reduced by up to 25% from previous generations. The reduced form factors combine with DIN-rail mounting to free up valuable control panel space and reduce installation costs. Operating temperature ranges up to -25 to +75 degrees C offer more versatility. These extended operating temperature ranges often allow these p


TURCK is now offering the option to completely shield M8 picofast ® cordsets by connecting a braided shield directly to the coupling nut. This provides a cost-effective and reliable connection with 100 percent cable and connector shielding, which protects against electromagnetic and radio frequency interference. The 3 and 4-pin cordsets are available with flexlife ® PVC or PUR jacketed cable. All connectors deliver IEC IP 67 protection. The M8 picofast line, like most TURCK cordsets, provides male or female, straight and right angle connectors, standard and custom lengths, and pigtails or extensions. Fully encapsulated mating receptacles are also offered, completing the system.