Notes Switch travel diagram
  Contact closed
  Contact open
  Setting range
  Break point
  Positive opening sequence/- angle
VS  adjustable range of NO contact
  adjustable range of NC contact
N   after travel
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Safety sensors  ->  EX-BNS 250  ->  EX-BNS 250-11ZG-3G/D
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EX-BNS 250-11ZG-3G/D
• Ex certified
• LED version
• Thermoplastic enclosure
• Small body
• 33 mm x 25 mm x 13 mm
• Concealed mounting possible
• Long life
• no mechanical wear
• Insensitive to transverse misalignment
• Insensitive to soiling

Ordering details
Product type descriptionEX-BNS 250-11ZG-3G/D
Article number10EX-BNS 250-11ZG-3G/D
EAN Code
StandardsEN ISO 13849-1
B10d Normally-closed contact/Normally open contact (NC/NO)25.000.000
- noticeat max. 20% contact load
Mission time20 Years
Global Properties
Permanent lightBNS 250
StandardsEN 60079-0, EN 60079-15, EN 60079-31, IEC 60947-5-3, EN 13463-1, EN 13463-5, BG-GS-ET-14
Compliance with the Directives (Y/N) Yes
- Material of the housingsPlastic, glass-fibre reinforced thermoplastic
- Material of the cable mantlePVC
Housing construction formBlock
Coding available (Y/N)Yes
Monitoring function of downstream devices (Y/N)No
Prerequisite evaluation unitYes
Recommended safety-monitoring module
Recommended actuatorEX-BPS 250-3G/D
Mechanical data
Design of electrical connectionCable
Cable length1
Conductors4 x 0,25
mechanical installation conditionsnot flush
Active areafront side
Ensured switch distance ON Sao4 mm
Ensured switch distance OFF Sar14 mm
Type of actuationMagnet
Direction of motionhead-on with regard to the active surface
restistance to shock30 g / 11 ms
Resistance to vibration10 … 55 HZ, Amplitude 1 mm
Impact energymax. 1 Nm
Ambient conditions
Ambient temperature
- Min. environmental temperature−25
- Min. environmental temperature−25 °C
- Max. environmental temperature+70
Storage and transport temperature
- Min. Storage and transport temperature−25 °C
- Min. Storage and transport temperature−25
- Max. Storage and transport temperature+70 °C
- Max. Storage and transport temperature+70
Protection classIP67
Electrical data
Integrated Safety monitoring module available (Y/N)No
Cross circuit/short circuit recognition possible (Y/N)Yes
Voltage typeVDC
Switch frequencymax. 5 HZ
Switching voltage24 VDC max.
Switching current100 mA max.
Switching capacity1 W max.
Design of control outputOther, Reed contakts
Number of shutters1
Number of openers1
Electrical data - Safety outputs
Number of secure semi-conductor outputs0
Number of secure outputs with contact0
Electrical data - Diagnostic output
Number of semi-conductor outputs with signaling function0
Number of outputs with signaling function that already have a contact0
LED switching conditions display
LED switching conditions display (Y/N)Yes
- The LED is illuminated when the guard door is open.
EX-markingEX II 3D Ex tc IIIC T80°C Dc X
EX II 3G Ex nC IIC T6 Gc X
Explosion protection categories for gases3G
Explosion protection Zones for gases2
Explosion protected category for dusts3D
Explosion protection Zones for dusts22
Dimensions of the sensor
- Width of sensor33
- Height of sensor25
- Length of sensor13
Contact symbols shown for the closed condition of the guard device.
The contact configuration for versions with or without LED is identical.
Included in delivery
Actuators must be ordered separately.
KeywordsEx, EEx, ATEX, Ex BNS250, Ex BNS 250, BNS250 Ex, BNS250ex, BNS 250ex, ATEX BNS 250

Note Diagram
  positive break NC contact
  no active
  Normally-open contact
  Normally-closed contact

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 16.09.2019 - 08:26:06h Kasbase 3.3.0.F.64I