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

NM02RBA-SM4 (Order no. 097366)

Safety switch NM.RB with roller plunger, long housing

  • Plug connector SM4
NM02RBA-SM4 (Order no. 097366)


Approach direction


Can be adjusted in 90° steps

Switching element


Slow-action switching contact 2 NC

Dimension drawing
Dimension drawing
Wiring diagram ES02
Wiring diagram ES02
Travel diagram
Travel diagram
Electromechanical safety switches in use

Dimensional drawings

Dimensional drawings
*fixed positioning for safety-related applications (M5)

Connection examples

Connection examples

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

Rated insulation voltage Ui 250 V
Rated impulse withstand voltage Uimp 2.5 kV
Utilization category
AC-15 1.5 A 230 V
DC-13 1.5 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 positively driven contacts 2
Design long 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
Housing Reinforced thermoplastic
Contact Silver alloy, gold flashed

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, 4,3 MB)

Single Documents

Other Documents

Ordering data

Ordernumber 097366
Item designation NM02RBA-SM4
Gross weight 0,117kg
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