02/11/2015 www.crouzet.com
83894 metal without locking 838940 3-pole Part number 83894020
Safety limit switch with tongued key for detecting the moving guard
Metal bodies and heads
Heads have 4 possible positions at 90
Positive opening contacts
Part numbers
Type Type of contacts Action
838940 3-pole NC+NO+NO (2NO break before make) Slow action
83 894 020
Specifications
Environment
Conforming to standards Products IEC 947-5-1, EN 60947-5-1, UL 508, CSA C22-2 no.14, JIS C4520 (See P.3/4)
Conforming to standards Machine assemblies IEC 204-1, EN 60204-1, EN 1088, EN 292O
Certifications UL, CSA
Protective treatment in normal operationT
Temperature Use (C) -25+70
0
-40+70
Storage temperature ( C)
Vibration resistance according to IEC/EN 60068-2-6
Schok resistance according to IEC 28-2-27
Degree of protection according to IEC 529 and IEC 947-5-
IP 67
1
Cable entry
Electrical characteristics
Assigned working characteristics AC 15 B300 Ue = 240 V, Ie = 1,5 A or Ue = 120 V, Ie = 3 A, DC 13 Q300 Ue = 250 V, Ie = 0,27 A or Ue = 125 V, Ie = 0,55 A
Assigned insulation voltage according to IEC 947-5-1 Ui = 500 V
Assigned insulation voltage according to UL 508, CSA
Ui = 300 V
C22-2 no.14
Assigned impulse voltage according to IEC 947-5-1 Uimp = 6 KV
Thermal rating according to IEC 947-5-1 Ithe = 10 A
Electric shock protection Class 2 according to IEC 536
Resistance between terminals according to IEC 954-5-4 30m
Protection against short circuits Cartridge fuse 10 A gG (gl)
Connection Screw clamp terminals
2 2
Clamping capacity with or without ferrule
min. 1 x 0,5 mm , max. 1,5 mm
Electrical life according to IEC 947-5-1 appendix C
Maximum actuation speed 0,5 m/s
Minimum actuation speed 0,01 m/s
Resistance to removal of key 10 N
6
Mechanical life (operating cycles)
10
6
Minimun operating frequency (operating cycles per hour)
10
Minimum positive opening force 20 N
Cable entry according to NFC 68300 1 PG 13
Weight (g) 360
Accessories
Symbol Accessories Code
Straight key 79214578
Unless otherwise specified, the characteristics given are applicable to all or part of the product range selected02/11/2015 www.crouzet.com
Wide key 79214579
Flexible key 79214580
Dimensions (mm)
Product
838940
o
N Legend
1 threaded hole for cable gland 13
2 slots 7.3 x 5.3
Dimensions (mm)
Actuators
Straight key
79214578
Unless otherwise specified, the characteristics given are applicable to all or part of the product range selected