New! - Norman Equipment Co.

SERIES Z/T236Safety-Rated, Positive-BreakMiniature DIN Limit SwitchesFeatures & Benefits• “Positive-Break” NC contacts … won’t stick or weld shut.• Watertight design … meets IP67 washdown requirements.• Rugged, corrosion-resistant housing … tolerates hostileenvironments.• Six popular actuator styles … for application versatility.• Four 90° actuator mounting positions … provideinstallation flexibility.• Slow or snap-action operation … choose to best satisfyapplication requirements.• Safety-system approved … models with positive-breakcontacts approved for use in machine guarding applications.• Meets rigid safety agency standards … IEC, BG, VDE,UL and CSA.®DescriptionThe Z/T236 Series limit switches are designed for use withmovable machine guards/access gates which must be closedfor operator safety … and for any other presence/positionsensing application normally addressed with conventional limitswitches. Their positive-opening NC contacts provide a higherlevel of safety and/or reliability than conventional spring-drivenswitches whose contacts can weld or stick shut.Each is available with a choice of six standard actuators …rounded plunger, roller plunger, roller rocking lever, rodrocking lever, adjustable roller rocking lever and one-wayroller lever … mountable in any one of four 90° positions. Allrocking levers are positively-locked to the shaft, and areadjustable throughout 360° in 10° increments.Units are available with a choice of slow-action or snap-actioncontacts.Their rugged fiberglass-reinforced housing and IP67 ratingmake them ideal alternatives to conventional limit switches.Typical ApplicationsThe Z/T236 Series may be used in any presence/positionsensing application normally addressed with conventionallimit switches. Models with positive-break NC contacts areapproved for use in safety systems. For safety applicationsthe switch must be mounted such that the actuating elementof the machine displaces the switch actuator far enough toexceed the positive-break point. (See contact functiondiagrams: symbol *).ORDERING GUIDEFOR FEATURE:SPECIFY:1. Contact operation:Slow ActionTSnap ActionZ2. Operating head V3. Roller lever 7 H4. Body size 236-5. No. of NO contacts 16. No. of NC contacts 17. Degree of protection IP 67 z8. Sealing of operating head (optional) z*Example 1: TV7 H 236-11zExample 2: ZV7 H 236-11z*Available on rocking lever actuator style only.236®is a trademark of SCHMERSAL