Notes Switch travel diagram
  Contact closed
  Contact open
  Setting range
  Break point
  Positive opening sequence/- angle
VS  adjustable range of NO contact
VÖ  adjustable range of NC contact
N   after travel
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Datasheet Datasheet

Click to enlarge image
• Metal enclosure
• 4 or 6 Contacts
• 194 mm x 123 mm x 130 mm (basic component)
• 3 cable entries M 25 x 1.5
• Continuous adjustment of lever position 360°

 
 
Ordering details
 
Product type descriptionMA 471-21/21Y - Ordering suffix
Article number101061182
EAN Code4030661059495
eCl@ss27-27-06-01
 
Approval
 
Approval
 
Global Properties
 
Permanent light471 Rollenschwenkhebel A
StandardsEN 60947-5-1
Compliance with the Directives (Y/N) Yes
Suitable for safety functions (Y/N)No
Standard housing (Y/N)No
Materials
- Material of the housingscast iron, galvanized
- Roller materialPlastic
- Material of the contactsSilver
Housing coatingpainted
Weight5135
Slide formCastor
 
Mechanical data
 
Design of electrical connectionScrew connection
Cable section
- Min. Cable section1.5
- Max. Cable section4
AWG-Number11
Active principlemechanical
Mechanical life30.000 operations
Switching frequency1000
noticeAll indications about the cable section are including the conductor ferrules.
Design of actuating elementRoller lever
Contact opening2 x 4
Actuation directioneach time 60° right-hand side and left-hand side rotation
Actuating speed with vertical actuating angle to switch axis
- Min. Actuating speed0,05
- Max. Actuating speed3
- Actuating angle from left of switch axis30
- Actuating angle from right of switch axis30
 
Ambient conditions
 
Ambient temperature
- Min. environmental temperature−30
- Max. environmental temperature+90
Protection classIP65 to IEC/EN 60529
 
Electrical data
 
Design of control elementNormally open contact (NO) / Opener (NC)
- Change-over contact with double break
- galvanically separated contact bridges
Switching principleSnap switch element
Number of shutters2 left / 2 right
Number of openers1 left / 1 right
Rated impulse withstand voltage6
Rated insulation voltage500
Thermal test current25 A
Utilisation categoryAC-15: 230 V / 10 A
Max. fuse rating25 A gG D-fuse
 
Dimensions
 
Dimensions of the sensor
- Width of sensor194
- Height of sensor143
- Length of sensor190
Roller wide9
Roller diameter36
 
Ordering suffix
 
The applicable ordering suffix is added at the end of the part number of the safety switch.
Order example: MA 471-21/21Y-RMS
...-RMS Available with metal roller
...- UE Slow action with overlapping contacts
...- H Slow action with staggered contacts
...-1877 toothed shaft
...-2666 Ball bearing roller
gold-plated contacts 1276-2 (0,3 µm)
operating paths:
2 Opener (NC) 15° / 15°
1 Opener (NC) 45° / 45 °

K.A. Schmersal GmbH & Co. KG, Möddinghofe 30, D-42279 Wuppertal
The data and values have been checked throroughly. Technical modifications and errors excepted.
Generiert am 24.04.2019 - 16:04:22h Kasbase 3.3.0.F.64I