March 26, 2008 -
Used in place of standard hinges on swinging guards, gates, or doors, SI-HG63 Series Hinge Safety Interlock Switches offer 2 NC safety contacts and one NO auxiliary contact. NC safety contacts, when activated, interrupt electrical circuit and send stop signal to machine control. Rated IEC IP67, switches withstand harsh plant environments and have safety switching point adjustable ±1.5° throughout full 0-270° range of motion. Each hinge can support axial and radial load of 1,200 N.
Banner Si-Hg63 Hinge Switches Provide Additional Safety Contacts and Adjustable Switching Point for Greater Application Flexibility in Hazardous Areas
Minneapolis, MN-March 25, 2008-Banner Engineering Corp. introduces SI-HG63 Series Hinge Safety Interlock Switches for safeguarding of hazards. SI-HG63 hinge switches are used in place of the standard hinges on swinging guards, gates or doors. They offer two normally closed safety contacts and one normally open auxiliary contact for greater application flexibility. When the SI-HG63 hinge switch is activated, these normally closed safety contacts are forced open by a nonresilient mechanical means (not reliant on springs), interrupting the electrical circuit and sending a stop signal to the machine control. SI-HG63 hinge switches are also repositionable, with a safety switching point that is easily adjustable (±1.5°) throughout the hinge's full 0-270° range of motion.
Banner's SI-HG63 hinge switches are built to withstand harsh plant environments, with each safety switch body integrated into a highly robust PBT housing and integrated on to a stainless steel hinge. They are rated IEC IP67 and deliver superior performance and improved protection against defeat over actuator-style safety switches. Each hinge can support an axial and radial load of 1200 N (approximately 120 kg). In addition to in-line QD and "out-the-back" right-angle QD models, right-side and left-side hinges are available, which can be converted to operate from the opposite side when needed. List price for SI-HG63 hinge switches start at $159 each.
"Safeguarding a hazard with a guard, gate or door that is mounted on a hinge is one of the most common safety applications and also can be one of the most difficult to solve," said Mike Carlson, technical manager for Banner's safety products. "Typically, this type of application would use a keyed-actuator style of safety switch, but because the door or guard may sag or otherwise gets deformed, alignment problems with the switch and the actuator can arise. This usually results in damage to the switch and machine downtime," explains Carlson. "The SI-HG63 hinge switches do not have this problem and are a rugged, reliable solution that is very difficult to defeat."
Carlson adds, "When properly interfaced, they prevent cycle initiation or send a stop signal if the guard is opened, halting the hazardous motion. Depending on the number of switches on a guard and the means of interfacing, such as with a safety module, the SI-HG63 hinge switch can meet safety category 2, 3, or 4 [ISO 13849-1] and U.S. control reliability requirements."
Applications. Banner SI-HG63 Series Hinge Safety Interlock Switches offer durable construction and dependable mechanical operation to protect individuals in guard monitoring applications, including:
Hinged covers and guards on machines
Safeguarding modular aluminum framing applications
Doors and gates in safety fencing systems
In addition, several features of the SI-HG63 hinge switch make it particularly easy to set up and use:
Features two normally closed safety contacts and one normally open auxiliary contact rated at 3A @ 230V ac 1.0A @ 24V dc
Comes complete with repositionable safety switch integrated into a robust PBT housing and a rugged fine-cast stainless steel hinge
Offers right-hinge QD, left-hinge QD, and right-angle QD models and can be converted to mount from the opposite side
Provides IP67 rating, with switch components protected from mechanical impact
Operates to a full 270° range of motion, with safety switching point (guard-closed position) adjustable over full operating range (±1.5°)
Supports an axial and radial load of 1200 N (approximately 120 kg)
Achieves safety category 4, per ISO 13849-1 (EN 954-1) when two SI-HG63 hinge switches on an individual guard are properly interfaced or used with an appropriate controller
Offers a non-switching blank hinge option
About Banner. Banner Engineering is the world's leading manufacturer of electronic machine guarding systems, vision sensors, wireless networks, photoelectric and ultrasonic sensors, precision measurement systems and fiber optic assemblies.
For further information, contact Banner Engineering Corp., 9714 Tenth Avenue North, Minneapolis, MN 55441. PH: 888.373.6767 (Toll-free North America), or 001.763.544.3164 (International). FAX: 763.544.3213. Email: sensors@bannerengineering.com. E-commerce: www.buybanneronline.com; Web: www.bannerengineering.com
To learn more about SI-HG63 Series Hinge Safety Interlock Switches, view
To learn how safety interlock switches work and which switch to select for an application, visit iKnow®: Safety Interlocks.
For the entire selection of Banner safety products, 2006-2007 Machine Safety Products catalogs are available free of charge. Download or request a catalog online at www.bannerengineering.com or call 1.888.373.6767. Company Information: Name: Banner Engineering Corp. Address: 9714 Tenth Ave. N. City: Minneapolis State: MN ZIP: 55441 Country: USA Phone: 888-373-6767 FAX: 763-544-3213 http://www.bannerengineering.com/tr
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