1. Catalogs
  2. LGM ENGINEERING
  3. SENDERTOP_BOX LIMIT SWITCH ST3 SERIE_Datasheet

SENDERTOP_BOX LIMIT SWITCH ST3 SERIE_Datasheet

SENDERTOP_BOX LIMIT SWITCH ST3 SERIE_Datasheet

SENDERTOP_BOX LIMIT SWITCH ST3 SERIE_Datasheet

Product catalog summary
General Information
The Limit Switch Box SENDERTOP ST3 series is designed for providing instant and reliable feedback on valve positions in hazardous areas. It features Exia intrinsically safe protection and IP66/67 protection type. The enclosure is made of aluminum and stainless steel AISI-316, with a high visibility green/red status indicator. It includes a precise cam adjustment system and a terminal block with 8 positions. Electrical inputs are available in M20x1.5 or ½ "NPT-F, and it supports a wide range of limit switches.

Bracket
The NAMUR bracket is available for mounting on actuators with hub spacing of 30x80 and 30x130, with pinion heights of 20mm and 30mm. It is available in painted steel or stainless steel upon request.

Technical Data
  • Switches: Mechanical SPDT gold plated 0.1A@30VDC, Magnetic hermetically sealed proximity type SPDT 0.25A@175VDC, Inductive NAMUR, 2 wires.
  • Enclosures: Made of low copper content aluminum with a double layer of black epoxy coating or CF8M (AISI-316) stainless steel.
  • Ambient Temperature: Standard: -20°C to +xxxx°C (NBR seals). On request (Silicone seals): with mechanical switch -40°C to +xxxx°C; with magnetic and inductive switches -50°C to +xxxx°C. (xxxx = see ATEX certificate)

Technical Specifications
  • Materials of Construction: Enclosure: Low copper content aluminum epoxy coated / S.S. CF8M, Namur Shaft: Stainless Steel, Beacon: Polycarbonate & ABS, Spring: Stainless Steel, Cams: ABS, O-ring: NBR / Silicone, Bolts: Stainless steel CF8M.
  • Available Switches: Mechanical SPDT gold plated 0.1A@30VDC, Magnetic reed SPDT 0.25A@175VDC, Inductive NAMUR, 2 wires.

How to Order
The ordering process involves selecting the housing type, conduit entries, number of switches/sensors, indicator type, enclosure material, switches/sensors type, and any special options such as low temperature capability. Example model number: ST3M2VRA1LT, which includes a mechanical switch for low temperatures down to -40°C and magnetic and inductive switches down to -50°C.
See more

Catalog excerpts

SENDERTOP_BOX LIMIT SWITCH ST3 SERIE_Datasheet-1

GENERAL INFORMATION TECHNICAL DATA The Limit Switch Box SENDERTOP ST3 series is designed to provide an instant and Mechanical SPDT gold plated 0,1A@30VDC. reliable feedback signal for the position of a Magnetic hermetically sealed proximity type valve actuated or manually operated in Hazardous area. Exia intrinsically safe type Inductives NAMUR, 2 wires. of protection. IP66/67 protection type. Aluminum Enclosure and SS AISI-316 High visibility green / red status indicator. Precise cam adjustment, through "Miller" system. Terminal block with 8 positions. Low copper content Aluminum with double layer of black epoxy coating. Electrical inputs M20x1.5 or ½ "NPT-F. Possibility to mount a wide range of limit switches. On request (Silicone seals) : o with mechanical switch -40°C/+xxxx°C; with magnetic and inductives switches NAMUR bracket for mounting on actuator with hub spacing 30x80 e 30x130, pinion h. 20mm and 30mm, available on request in painted steel or stainless steel

 Open the catalog to page 1
SENDERTOP_BOX LIMIT SWITCH ST3 SERIE_Datasheet-2

TECHNICAL SPECIFICATIONS Materials of construction Enclosure Low copper content aluminium epoxy coated / S.S. CF8M Namur Shaft Stainless Steel Stainless Steel Available switches Mechanical SPDT gold plated 0,1A@30VDC Magnetic reed SPDT 0,25A@175VDC Inductive NAMUR, 2 wires

 Open the catalog to page 2
SENDERTOP_BOX LIMIT SWITCH ST3 SERIE_Datasheet-3

HOW TO ORDER Housing ST3 Sendertop Conduit entries N 1/2" NPT-F M M20 x 1,5 Number of switches / sensors 1 One 2 Two Indicator VR STD, forma A, green/reed 2 Lport, forma A, 3 way 3 Tport, forma A, 3 way 4 arrow, forma A, 3 way Enclosure material A Alluminium, black RAL 9005 S Stainless Steel CF8M Switches / Sensors MC OMRON SS-01 (mecc. GP, SPDT, 125VAC, 30VDC) ME OMRON D2SW-01 (mecc. GP, SPDT, 30VDC) MA Hamlin 59140 (magn., SPDT, 140VAC, 200VDC) INS NS5002 (NC, NAMUR, 2 wires, 8.2V) INJ NJ2 V3 N (NC, NAMUR, 2wires, 8.2V) INC NCB2 V3 N0 (NC, NAMUR, 2 wires, 8.2V) ISN SJ3.5-N (NC, NAMUR, 2 wires,...

 Open the catalog to page 3
SENDERTOP_BOX LIMIT SWITCH ST3 SERIE_Datasheet-4

Via Ettore Majorana, 2, 20051, Cassina De Pecchi (MI) Tel.: 02 9529 9332 Fax.: 02 9529 247 www.lgmengineering.it [email protected]

 Open the catalog to page 4

All LGM ENGINEERING catalogs and technical brochures

  1. LGM_Brochure

    7  Pages

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.