Datasheet excerpt: Technical data of  NBB2-8GM20-E3-V3-Y0220

General specifications
Switching function		Normally closed (NC)
Output type		PNP
Rated operating distance		2 mm
Installation		flush
Output polarity		DC
Assured operating distance		0 ... 1.62 mm
Actuating element		mild steel, e. g. 1.0037, SR235JR (formerly St37-2) 8 mm x 8 mm x 1 mm
Reduction factor rAl		0.4
Reduction factor rCu		0.3
Reduction factor r304		0.75
Reduction factor rBrass		0.45
Output type		3-wire
Nominal ratings
Operating voltage		5 ... 30 V
Switching frequency		0 ... 6000 Hz
Hysteresis		typ. 5%
Reverse polarity protection		reverse polarity protected
Short-circuit protection		pulsing
Voltage drop		≤ 1.5 V
Operating current		0 ... 100 mA
Off-state current		0 ... 0.2 mA
No-load supply current		≤ 10 mA
Time delay before availability		≤ 100 ms
Switching state indicator		Multihole-LED, yellow
Functional safety related parameters
MTTFd		960 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, Class 2 Power Source
CCC approval		CCC approval / marking not required for products rated ≤36 V
Ambient conditions
Ambient temperature		-40 ... 85 °C (-40 ... 185 °F)
Storage temperature		-40 ... 85 °C (-40 ... 185 °F)
Mechanical specifications
Connection type		Connector plug M8 x 1 , 3-pin
Housing material		brass, nickel-plated
Sensing face		LCP
Degree of protection		IP65 / IP66 / IP67
Dimensions
	Length	35 mm
	Diameter	8 mm
General information
Scope of delivery		2 hex nuts included

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