Datasheet excerpt: Technical data of  NBB15-U1-A2-V1

General specifications
Switching function		complementary
Output type		PNP
Rated operating distance		15 mm
Installation		flush
Output polarity		DC
Assured operating distance		0 ... 12.15 mm
Reduction factor rAl		0.33
Reduction factor rCu		0.3
Reduction factor r304		0.74
Reduction factor rBrass		0.41
Output type		4-wire
Nominal ratings
Operating voltage		10 ... 30 V
Switching frequency		0 ... 560 Hz
Hysteresis		typ. 5 %
Reverse polarity protection		reverse polarity protected
Short-circuit protection		pulsing
Voltage drop		≤ 2 V
Operating current		0 ... 200 mA
Off-state current		0 ... 0.5 mA
No-load supply current		≤ 20 mA
Time delay before availability		80 ms
Operating voltage indicator		LED, green
Switching state indicator		LED, yellow
Functional safety related parameters
MTTFd		1289 a
Mission Time (TM)		20 a
Diagnostic Coverage (DC)		0 %
Compliance with standards and directives
Standard conformity
	Standards	EN IEC 60947-5-2
Approvals and certificates
UL approval		cULus Listed, General Purpose
CCC approval		CCC approval / marking not required for products rated ≤36 V
Ambient conditions
Ambient temperature		-25 ... 85 °C (-13 ... 185 °F)
Mechanical specifications
Connection type		Connector plug M12 x 1 , 4-pin
Housing material		PA/metal with epoxy powder coating
Sensing face		PA
Housing base		plastic
Degree of protection		IP68 / IP69K
Mass		225 g
Dimensions
	Height	40 mm
	Width	40 mm
	Length	118 mm
Note		Tightening torque: 1.8 Nm (housing)

Classifications

System	Classcode
ECLASS 13.0	27274001
ECLASS 12.0	27274001
ECLASS 11.0	27270101
ECLASS 10.0.1	27270101
ECLASS 9.0	27270101
ECLASS 8.0	27270101
ECLASS 5.1	27270101
ETIM 9.0	EC002714
ETIM 8.0	EC002714
ETIM 7.0	EC002714
ETIM 6.0	EC002714
ETIM 5.0	EC002714
UNSPSC 12.1	39121550