Sensing and Control Interactive Catalog... www.honeywell.com/sensingLimit and Enclosed Switches HDLS Series Switches for Special Applications GRAVITY RETURN SIDE ROTARY SWITCHES LSS1H gravity return side rotary limit or lightweight objects. Because the head switches have no return spring mecha- is unsealed, the LSS1H is classed as nism. The weight of the actuating lever NEMA 1. However, the switch cavity is must provide the force to restore it to the sealed to protect the contacts. free position. The LSS1H has the plug-in body style, 1 2 in. conduit opening. The extremely light 5 in. oz. max. oper- with a ating torque is useful in conveyor applica- Circuitry is SPDT double break. Refer to tions, since it enables operation by small electrical rating B, page A34. ORDER GUIDE (Momentary action) Operating Differential Total Travel Catalog Torque Max. Travel Max. No Stop Listing 0,035 Nm 12 360 LSS1H 5 in. oz. Nm J Newton meters EXTRA LOW TORQUE SIDE ROTARY SWITCHES LST1H extra low torque side rotary limit The LST1H has a plug-in body style, with a 1 switches have a low force return spring 2 in. conduit opening. and a maximum operating torque of 12 in. Circuitry is SPDT double break. Refer to oz. It is NEMA 1, because of an unsealed electrical rating B, page A34. head. But, as with the LSS1H, the switch cavity is sealed. ORDER GUIDE (Momentary action) NOTE: LSS1H and LST1H switches are usually mounted with the lever down. Operating Pre-Travel Over-Travel Differential Total Catalog Heavier levers, such as the LSZ54N Torque max. max. min. Travel max. Travel ref. Listing (shown) and LSZ52D, should be used to 0,085 Nm 15 60 5 85 nom. LST1H enable gravity to help restore them to the 12 in. oz. free position. These levers are described Nm J Newton meters on page A38. SPECIFYING GUIDE FOR: HIGH TEMPERATURE-CHEMICAL LOW TEMPERATURE SWITCHES FACTORY SEALED PRE-WIRED LIMIT RESISTANT SWITCHES SWITCHES All forms of HDLS limit switches are also Completely fluorocarbon (FC)-sealed available in low temperature construc- FEATURES HDLS limit switches have a full FC body tion. 1 Prewired with 6 ft STOOW-A cable or gasket covering the switch cavity. Rotary Design changes include fluorosilicone 4, 5 or 9-pin connectors (other types have an extra FC seal on the oper- diaphragm, shaft seals, and external boot lengths available) ating shaft, while plunger versions have seal (where applicable) plus a low tem- 1 Wire entry area completely factory FC boot seals. perature lubricant. If prewired with cable, sealed They are for use in applications where the temperature limits are 14F (10C) flex 1 (Cable version) NEMA 1, 6, 6P, 12 environment includes fire-resistant syn- and 22F (30C) no flex. The temper- 1 (Connector version) NEMA 1, 6, 6P, 12 thetic fluids. In addition to most all fluids, ature ranges for specific switches see 13 the FC sealed switches may be used with page A56. How to order such industrial fluids as Cellulube, Fyr- How to order To order fatory sealed switches, add the quell, Houghto-Safe, Pydraul, and other A low temperature version of any HDLS modification codes shown below to special cutting and hydraulic oils. For limit switch shown in the order guide can standard HDLS listings: seal performance chart see page A56. be specified by inserting the additional 1 Circuitry Cable 2N Connector The additional FC seals also promote letters Y and B into the appropriate place longer operating life for rotary actuated in the standard switch listing as shown in A (4 pin mini) SPDT C HDLS switches in applications where the the example below. B (5 pin mini) temperatures are normally 10 to 250F DD (4 pin micro) Example: (12 to 121C). If prewired with cable, then LSA1A standard side rotary plug-in DPDT M R (9 pin) temperature limits are 221F (105C) dry switch Example: LSA1AC LSA1A with 6 ft of and 140F (60C) wet. LSYAB1A low temperature version of 5 conductor STOOW-A cable. LSA1A How to order LSJ2BM-7N LSJ2B-7N with 6 ft of 9 Insert the additional letters Y and C in the conductor STOOW-A cable. appropriate places in the standard cata- LSA1AB LSA1A with 5 pin receptacle. log listing as shown in the example below. LSA1ADD 4 pin micro-change connector. Example: NOTE: Connector versions available 1 LSA1A standard side rotary plug-in with 2 in. conduit tap only. switch Refer to page A46 for pin-out and LSYAC1A Completely FC-sealed ver- mating connector. Refer to page A58 for sion of LSA1A dimensions. A42 Honeywell1 Sensing and Control 1 1-800-537-6945 USA1 F1-815-235-6847 International 1 1-800-737-3360 Canada