سنسور NBB20-U1-UU

Model Number
NBB20-U1-UU
Features
• Sensor head bidirectional and
rotatable
• NO/NC selectable
• Comfort series
• 20 mm flush
Accessories
MHW 01
Modular mounting bracket
Technical Data
General specifications
Switching function Normally open/closed (NO/NC)
Output type Two-wire
Rated operating distance sn 20 mm
Installation flush
Output polarity AC/DC
Assured operating distance sa 0 ... 16.2 mm
Actual operating distance sr 18 ... 22 mm
Reduction factor rAl 0.4
Reduction factor rCu 0.3
Reduction factor r304 0.77
Reduction factor rFe 1
Reduction factor rBrass 0.43
Output type 2-wire
Nominal ratings
Switching frequency f AC, 0 ... 30 Hz
DC, 0 ... 100 Hz
Hysteresis H 1 ... 10 typ. 5 %
Reverse polarity protection reverse polarity tolerant
Short-circuit protection pulsing
Voltage drop Ud ≤ 5 V (typ. 2V) DC operation
≤ 8 V (typ. 3 V) AC operation
Momentary current
(20 ms, 0.1 Hz)
0 ... 3000 mA
Operating current IL 5 ... 500 mA
Off-state current Ir ≤ 1.5 mA
Time delay before availability tv ≤ 300 ms
Operating voltage indicator LED, green
Switching state indicator LED, yellow
Error indicator flashes when overcurrent
Functional safety related parameters
MTTFd 540 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
Electrical specifications
Rated operating voltage Ue 24 ... 250 V DC / 24 ... 230 V AC
Operating voltage UB 20 ... 300 V DC / 20 ... 253 V AC
Ambient conditions
Ambient temperature -25 ... 85 °C (-13 ... 185 °F)
Storage temperature -25 ... 85 °C (-13 ... 185 °F)
Mechanical specifications
Connection type terminal compartment
Information for connection A maximum of two conductors with the same core cross section
may be mounted on one terminal connection!
tightening torque 1.2 Nm + 10 %
Core cross-section up to 2.5 mm2
Minimum core cross-section without wire end ferrule 0.5 mm2 , with connector sleeves 0.34 mm2
Maximum core cross-section without wire end ferrule 2.5 mm2 , with connector sleeves 1.5 mm2
Housing material PA 6.6 / metal
Sensing face PA 6.6
Housing base plastic
Degree of protection IP67
Compliance with standards and
directives
Standard conformity
Standards EN 60947-5-2:2007
EN 60947-5-2/A1:2012
IEC 60947-5-2:2007
IEC 60947-5-2 AMD 1:2012
Approvals and certificates
Protection class II
Rated insulation voltage Ui 230 V
Rated impulse withstand voltage Uimp 2.5 kV
UL approval cULus Listed, General Purpose
"For use in NFPA 79 Applications only"
For overcurrent protection, install a fuse with a rated current of
max. 3 A and at least 300 V AC/DC
CCC approval Ue 75VDC - 250VDC Ue 75VAC - 230VAC