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7551-7552

You are in: Products Position limit switches 7551-7552

Technical characteristics

  • Conformity to Community Directives: 2014/35/UE 2006/42/CE
  • Conformity to Standards: EN 60204-1 EN 60947-1 EN 60947-5-1 EN 60529
  • Storage ambient temperature: -40C/+70C
  • Operational ambient temperature: -40C/+70C
  • Protection degree: IP66 max. with dedicated cable clamp M20
  • Insulation category: Class I
  • Cable entry: cable clamp M20
  • Operation frequency: 3600 operations/hour max
  • Markings and homologations: CE EAC
  • Utilisation category: AC 15
  • Rated operational current: 3 A
  • Rated operational voltage: 250 Vac
  • Rated thermal current: 10 A
  • Rated insulation voltage: 300 Vac
  • Mechanical life: 1x106 operations
  • Connections: screw-type terminals
  • Wires: 1x2.5 mm, 2x1.5 mm (UL - (c)UL: use 60C or 75C copper (CU) conductor and wire 16-18 AWG)
  • Tightening torque: 0.8 Nm
  • Markings and homologations: CE cULus EAC

Technical characteristics

    General specifications
  • Conformity to Community Directives: 2014/35/UE 2006/42/CE
  • Conformity to Standards: EN 60204-1 EN 60947-1 EN 60947-5-1 EN 60529
  • Storage ambient temperature: -40C/+70C
  • Operational ambient temperature: -40C/+70C
  • Protection degree: IP66 max. with dedicated cable clamp M20
  • Insulation category: Class I
  • Cable entry: cable clamp M20
  • Operation frequency: 3600 operations/hour max
  • Markings and homologations: CE EAC

    Specifications of the microswitches
  • Utilisation category: AC 15
  • Rated operational current: 3 A
  • Rated operational voltage: 250 Vac
  • Rated thermal current: 10 A
  • Rated insulation voltage: 300 Vac
  • Mechanical life: 1x106 operations
  • Connections: screw-type terminals
  • Wires: 1x2.5 mm, 2x1.5 mm (UL - (c)UL: use 60C or 75C copper (CU) conductor and wire 16-18 AWG)
  • Tightening torque: 0.8 Nm
  • Markings and homologations: CE cULus EAC

Description

Cross position limit switches designed for controlling the movement of overhead travelling cranes, hoists and complex machine tools.
The choice of materials and technical solutions adopted enable use in harsh operating conditions.
Features
- Designed to guarantee excellent performance in the most challenging operating conditions.
- Rods with 4 maintained positions every 90.
- 4 fixing holes.
- Positive opening NC contacts for safety functions.
- Mechanical life of switches: 1 million operations.
- Operation frequency: 3600 operations/hour max.
- IP protection degree: 7551-7552 are classified IP66 with specific cable clamp M20.
- Extreme temperature resistance: -40C to +70C.
- It features die-cast aluminum alloy enclosure, with bushings made of sinterized material and head made of zama to resist any violent impact, chemical aggression and rust and reduce the need for routine maintenance operation on the head.
- All materials and components used are wear resistant and guarantee protection of the unit against water and dust.
Options
- 4 snap action switches with 1NO+1NC change-over contacts or slow action switches with 1NC contact.
- 3 outputs for cable clamps to reduce installation time and make wiring easier.
Certifications
- CE marking and EAC certification.

Model
TER Tecno Elettrica Ravasi srl
Manufactured by: TER Tecno Elettrica Ravasi srl
Model: Position limit switches 7551-7552
Product ID: 43
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TER Tecno Elettrica Ravasi srl
Sede Operativa / Headquarter
Via Garibaldi 29/31
23885 Calco (LC) - Italy
Tel. +39 039 9911011
Fax +39 039 9910445
E-mail info@ter.it
Sede Legale / Registered Office
Via San Vigilio 2 - 23887 Olgiate Molgora (LC) - Italy
Capitale sociale / Capital stock € 150.000
R.E.A Lecco N. 136104 - M.I.C. 001225
Registro Imprese di Lecco / Business register in Lecco
C.F P.IVA / Fiscal Code/VAT no. 00222410136
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