BZ 16

  • Thermoplastic enclosure
  • Long life
  • Differential inputs: Induction / magnetic operating principle
  • Internal monitoring, high manipulation protection
  • Potential-free outputs
  • Signalling contact
  • Status LED
  • 1 NO/2 NC contact or 3 NC contacts
  • Available with 2 different actuating planes:
    actuating from the top "T",
    actuating from the front "F".
    Please indicate the desired actuating plane when ordering.
  • Rated switching distance sn = 12 mm
  • Wiring compartment
  • Version with higher degree of protection IP69 available - see chapter / BZ 16 IP69 Extreme >
Note
  • The actuator is not included in the delivery of the switches

Technical data

StandardsEN 61000-6-1, -2, -3, -4;
EN 60947-5-2; EN 60947-5-3;
EN ISO 14119; EN 60204-1;
EN ISO 13849-1; DIN EN 62061;
2004/108/EG
Enclosureglass-fibre reinforced, shock-proof thermoplastic (PA 66), self-extinguishing UL 94-V0
Defined objectactuator BZ 16-B1 with low coding
Sensor typetype 4 interlocking device
Coding levellow coding
Tightening torqueMounting screws of sensor: max. 2 Nm
cover of sensor: max. 1.5 Nm
actuator: max. 2 Nm
Switching distancessn = 12 mm (10 mm with flush mounting)
sao = 10 mm (8 mm with flush mounting)
sar = 25 mm
(Minimum distance 2 mm for approach from side.)
Hysteresisapprox. 6 mm
Sideways tolerance≤ 3 mm
Repeatability< 1 mm
 
Safety-relevant data:*
EN ISO 13849-1: 2008-12PL e
DCavg96 %
Category3
B10d20 million
TMmax. 20 years
MTTFd100 years
EN 62061SIL CL 3
PFHd≥ 4.29 x 10-8 1/h
 
Safety requirements nop
hop8 h/day
dop220 days/year
tzyklus20 s/Zyklus
 
Ie/Ue140 mA/24 VDC ± 15 %
(reverse voltage protected)
No-load supply current I0≤ 70 mA
Max. fuse rating0.25 A (slow blow)
Outputs2 enabling paths (2 NC or 1 NO/1 NC)
1 signalling contact (1 NC)
Switching voltagemax. 30 VAC/DC
Conditional short-circuit current100 A
Max. fuse rating4 A (gG/gN) incoming series-connected
Utilisation category
of output contacts
of signalling contact

AC-15; DC-13
AC-12; DC-12
Ie/Ue of output contactsmax. 3 A/24 VAC/DC, min. 10 mA/5 VAC/DC
Ie/Ue of signalling contactmax. 1 A/24 VAC/DC, min. 100 μA/100 mVDC
Ui250 VAC
Uimp1 kV
Voltage drop< 0.6 V
Overvoltage categoryIII
Switching frequencymax. 1 Hz
Attendance delay tv< 300 ms
Risk timemax. 165 ms
Degree of pollution3
Degree of protectionIP 67 to IEC/EN 60529
Ambient temperature0 °C … +55 °C
Storage and shipping temperature–20 °C … +70 °C
Mechanical life50 mio. operations
Output contactsAgSnO self-cleaning, positive-guided
Signalling contactAgNi, gold-plated
Output contact resistance100 mΩ in new condition
Signalling contact resistancemax. 30 mΩ
Connectioncable entry M20 x 1.5, wiring compartment with socket screw clamps 8-pole
Cable cross-sectionmin. 0.14 mm2 / AWG 28
max. 1.5 mm2 / AWG 16
Approvals

* The safety-related data are based on a load of 24 V / 0.1 A / DC-1 for the enabling paths.
With higher load currents for the enabling paths and other requirement rates nop, the safety-related data vary from the given data and can be provided on request.

Ordering details

3 NC contacts

Type   Material no.  
Type    Material no.   
BZ 16-03F IP67 stock type Standard versions, in stock or available at short notice 1355622
Order now
Type    Material no.   
BZ 16-03T IP67 stock type Standard versions, in stock or available at short notice 1355624
Order now
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

1 NO/2 NC contacts

Type   Material no.  
Type    Material no.   
BZ 16-12F IP67 stock type Standard versions, in stock or available at short notice 1355618
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Type    Material no.   
BZ 16-12T IP67 stock type Standard versions, in stock or available at short notice 1355620
Order now
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Actuators

Type   Material no.  
Type    Material no.   
Actuating magnet coded BZ 16-B1 stock type Standard versions, in stock or available at short notice 1165032
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Accessories

Safety relay module SRM 21 RT2
  • N.B.: Please state required international approvals with your order!
  • LED indicator for switching condition
  • 2 NC or 1 NC/1 NO contact can be connected
  • Crossed wire monitoring
  • Manual or automatic reset
  • 1 transistor output
  • 2 enabling paths
  • Feedback circuit
  • Enclosure width: 22.5 mm
Safety relay module SRM 21 Multi
  • PL e, SIL CL 3
  • LED indicator for switching condition
  • Manual or automatic start
  • 1 auxiliary output
  • 2 enabling paths potential-free
  • 2 NC or 2 change-over contacts can be connected
  • Feedback circuit
  • Enclosure width: 22.5 mm