EUCHNER – More than safety.
EUCHNER – More than safety.

NM11RBA-SM4C2069 (Order no. 163183)

Safety switch NM.RB with roller plunger, short housing

  • Plug connector SM4
NM11RBA-SM4C2069 (Order no. 163183)


Approach direction


Can be adjusted in 90° steps

Switching element


Slow-action switching contact 1 NC + 1 NO

Wiring diagram ES11
Wiring diagram ES11
Dimension drawing
Dimension drawing
Travel diagram
Travel diagram
Electromechanical safety switches in use

Connection examples

Connection examples

Connection examples

Connection examples
2End position
3Free position

Shift travel diagrams

Shift travel diagrams

Technical data


EAC_RU C-DE.MO05.B.00971/20DGUV_NM_ET22043_ET22044c_UL_us_E155795_6/1

Electrical connection values

Connection cross section 0.34 ... 1.5 mm²
Rated insulation voltage Ui 250 V
Rated impulse withstand voltage Uimp 2.5 kV
Utilization category
AC-15 4 A 230 V
DC-13 4 A 24 V
Short circuit protection according to IEC 60269-1 1A gG
Switching voltage
min. at 10 mA 12 V
Switching current
min. at 24 V 1 mA
thermal rated current Ith 1,5 A

Mechanical values and environment

Approach speed max. 60 m/min
Approach direction A
Connection type
1 x Plug connector SM4 (4-pin)
Number of door position NO contacts 1
Number of door position positively driven contacts 1
Design short housing
Actuating element
Slide bearing plastic Roller plunger
Actuation frequency max. 5000 1/h
Actuating force 15 N
Installation orientation any
Mechanical life 30 x 10⁶
Switching principle Slow-action switching contact
Degree of protection IP67
Ambient temperature -20 ... +80 °C
Contact Silver alloy, gold flashed
Housing Reinforced thermoplastic

Characteristic values according to EN ISO 13849-1 and EN IEC 62061

B10DMission time
Safety position sensor2x10720 y
Important! Values valid at DC-13 100 mA/24V


Complete package

Download all important documents with a single click.


  • The operating instructions and any additions to the operating instructions or brief instructions
  • Any data sheets to supplement the operating instructions
  • The declaration of conformity
Download Complete Package (ZIP, 3,9 MB)

Single Documents

Other Documents

Ordering data

Ordernumber 163183
Item designation NM11RBA-SM4C2069
Gross weight 0,09kg
Customs tariff number 85365019000
ECLASS 27-27-26-01 Safety position switch (Type 1)

Technical support

Technical support
Do you have technical questions about our products, their possible use or applications? Our experts will be happy to help.

+1 315 701-0315