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SM32 Safety Limit Switches

SM32 Safety Limit Switches

SM32 Safety Limit Switches

Product catalog summary
Overview: The document provides technical specifications and ordering information for the SM31 and SM32 series of compact safety limit switches, designed with a modular approach and rated IP67 for protection against dust and water.
Specifications:
  • Design: Modular, available in 20mm (SM31) and 25mm (SM32) series.
  • Contact Configuration: Options include 1NO/1NC, 2NO, 2NC, and combinations thereof.
  • Operating Speed: 0.05mm to 2m/sec.
  • Operating Frequency: Mechanical: 120 operations/min; Electrical: 30 operations/min.
  • Insulation Resistance: Greater than 100MΩ at 500V DC.
  • Contact Resistance: Less than 25mΩ.
  • Rated Voltage: 300V AC (EN60947-5-1).
  • Rated Thermal Current: 5A.
  • Electrical Rating: AC15 B300, DC13 R300.
  • Dielectric Strength: 1000VAC for 1 min between current carrying parts; 2500VAC for 1 min between non-current carrying parts.
  • Service Life: Mechanically 10 million operations; Electrically 500,000 operations.
  • Operating Temperature: -25 to +85°C without ice formation.
  • Humidity: Less than 95% RH.
  • Degree of Protection: IP67.
Electrical Ratings:
  • AC15 A300: 6A at 120V, 3A at 240V, with a VA rating of 7200 (make) and 720 (break).
  • DC13 Q300: 0.55A at 125VDC, 0.27A at 250VDC.
Connection Options:
  • M12 connector side or bottom exit with 4 or 5 pins.
  • 2-meter cable options available.
Ordering Information: The document lists various order codes for different configurations of the SM31 and SM32 series, specifying contact block types (snap action or slow action) and configurations.
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Catalog excerpts

SM32 Safety Limit Switches-1

International, LLC Compact Safety Limit Switches (Modular Design, IP67) SM31 SERIES (20mm) and SM32 SERIES (25mm) Selection Guide: Snap Action Slow Action Head Style Short Lever Q1 M12 connector side exit 4 pin Q2 M12 connector bottom exit 4 pin Q3 M12 connector side exit 5 pin Q4 M12 connector bottom exit 5 pin Specification Operating Speed 0.05mm-2m/sec Mechanical: 120ops/min Electrical: 30 ops/min Operating Frequency Insulation Resistance Contact Resistance Rated Voltage Rated Thermal Current Electrical Rating Dielectric Strength 1000VAC for 1 min between current carrying parts 2500VAC for 1 min between non-current carrying parts Service Life Mechanically 1.0 x107 (operations) Electrically 5 x105 (operations) Operating Temperature Electrical Ratings Snap Action Snap Action Slow Action Slow Action Slow Action IEC 947-5-1 / EN 90947-5-1 Rated operational current Ie (A) at rated operational voltage Ue Designation & Utilization Category

 Open the catalog to page 1
SM32 Safety Limit Switches-2

International, LLC Compact Safety Limit Switches (Modular Design, IP67) SM31 SERIES (20mm) Order Code Order Code slow action snap action slow action snap action slow action slow action Contact block snap action slow action Contact block snap action slow action Order Code Contact block snap action Order Code Contact block Contact block Order Code snap action Contact block Order Code Order Code Contact block snap action slow action Contact block snap action slow action

 Open the catalog to page 2
SM32 Safety Limit Switches-3

International, LLC Compact Safety Limit Switches (Modular Design, IP67) SM31 SERIES (20mm) Order Code snap action slow action snap action slow action snap action slow action slow action Contact block snap action slow action Contact block snap action slow action Order Code Contact block snap action Order Code Contact block Order Code Contact block Order Code Contact block Order Code Order Code Order Code Contact block snap action slow action Contact block snap action slow action

 Open the catalog to page 3
SM32 Safety Limit Switches-4

International, LLC Compact Safety Limit Switches SM31N SERIES (20mm) Order Code Order Code Order Code Order Code Order Code Contact block snap action slow action Order Code Contact block snap action slow action Order Code Contact block snap action slow action Order Code Contact block snap action slow action Contact block snap action slow action Contact block snap action slow action snap action slow action snap action slow action Contact block Contact block

 Open the catalog to page 4
SM32 Safety Limit Switches-5

International, LLC Compact Safety Limit Switches SM31N SERIES (20mm) Order Code Order Code Order Code Order Code Order Code Contact block snap action slow action Order Code Contact block snap action slow action Order Code Contact block snap action slow action Order Code Contact block snap action slow action Contact block snap action slow action Contact block snap action slow action Contact block snap action slow action Contact block snap action slow action

 Open the catalog to page 5
SM32 Safety Limit Switches-6

International, LLC Compact Safety Limit Switches (Modular Design, IP67) SM32 SERIES (25mm) Order Code snap action slow action Order Code snap action slow action snap action slow action snap action slow action Contact block snap action slow action Order Code Contact block Contact block Order Code Contact block Order Code Order Code Order Code Contact block Contact block snap action slow action Order Code Contact block snap action slow action Contact block snap action slow action

 Open the catalog to page 6
SM32 Safety Limit Switches-7

International, LLC Compact Safety Limit Switches (Modular Design, IP67) SM32 SERIES (25mm) Order Code snap action slow action Order Code snap action slow action snap action slow action snap action slow action Contact block snap action slow action Order Code Contact block Contact block Order Code Contact block Order Code Order Code Order Code Contact block Contact block snap action slow action Order Code Contact block snap action slow action Contact block snap action slow action

 Open the catalog to page 7
*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.