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EUCHNER – More than safety.
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NZ1HS-3131-M-EX (Order no. 094167)

Safety switch NZ.HS ATEX, lever arm with steel roller, cable entry M20 x 1.5

  • ATEX version
  • Lever arm, steel roller ø 18 mm
  • Version A according to EN 50041
  • Cable entry M20 x 1.5
  • 2 pos. driven contacts
  • 2 NO contacts
NZ1HS-3131-M-EX (Order no. 094167)

Description

ATEX version

Suitable for use in zones 2 and 22 (gases and dusts).
Application area II 3G D.
Use the cable gland supplied.

Approach direction

Horizontal

Can be adjusted in 90° steps

Switching direction adjustable

Right, left or both sides

Switching element

3131H

Slow-action switching contact 2 positively driven, positively driven contact 2 NO contacts

Dimension drawing
Dimension drawing
Wiring diagram 3131H
Wiring diagram 3131H
Travel diagram
Travel diagram
Electromechanical safety switches in use

Dimensional drawings

Dimensional drawings
1Cover hood
2Cable gland M20x1.5 (included) for cable diameter 6.5... 12 mm
3Dog
4Contact opening1.25 at 45°
5Ground switch via cable lug to prevent electrostatic charging. Cable cross-section4...6 mm²

Connection examples

Connection examples

Shift travel diagrams

Shift travel diagrams
Contacts closed
Contacts open
Contacts positively driven

Technical data

Approvals

EAC_RU C-DE.MO05.B.00971/20DNV-GL_TAA0000172 Rev. 1c_UL_us_E155795_2/1

Electrical connection values

Connection cross section 0.34 ... 1.5 mm²
Rated insulation voltage Ui 50 V
Rated impulse withstand voltage Uimp 2.5 kV
Utilization category
DC-13 4 A 24 V
AC-15 4 A 50 V
Short circuit protection according to IEC 60269-1 4A gG
Switching voltage 12 V
Switching current
min. at DC 24V 1 mA
thermal rated current Ith 4 A

Mechanical values and environment

Approach speed 0.1 ... 60 m/min
Connection type
1 x Cable gland M20 x 1.5
Number of NO contacts 2
Number of door position positively driven contacts 2
Actuating element
Slide bearing metal Lever arm (d roller = 18 mm, length = 32 mm)
Actuation frequency max. 1200 1/h
Actuating force 30 N
Installation orientation any
Clamping range for cable 6.5 ... 12 mm
Mechanical life 30 x 10⁶
Switching principle Slow-action switching contact
Degree of protection IP67
Ambient temperature -20 ... +75 °C
Material
Contact Silver alloy, gold flashed
Housing Anodized die-cast alloy

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


Miscellaneous

Explosion protection
incl. cable gland II3G Ex nR IIB T5 Gc X / II3D Ex tc IIIC T90°C Dc

Downloads

Complete package

Download all important documents with a single click.

Content:

  • 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, 3,4 MB)

Single Documents

Other Documents

Ordering data

Ordernumber 094167
Item designation NZ1HS-3131-M-EX
Gross weight 0,536kg
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.

EUCHNER (UK) Ltd.
+44 114 2560123
sales(at)euchner.co.uk

EUCHNER USA Inc.
+1 315 701-0315
info(at)euchner-usa.com

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