Technical Data
Plastic bodied limit switch
Series I88
Description
I88-U15Z RIWK
Article number
Operating symbol
Fixed positioning for
safety applications
Mounting screw
according to DIN 912 M5
Operating diagram
On Off
Tolerance:
Operating point ± 0,25mm;
Actuating force ± 10%
Electrical data
Rated insulation voltage U
Conv. thermal current I
Rated operational voltage U
250V AC
i
5A
the
240V
e
Utilization category AC-15, Ue /Ie 240V/1,5A
Direct opening action acc. to IEC/EN 60947-5-1, Annex K
Short-circuit protective device Fuse 6A gL/gG
Protection class
II, totally insulated
6086517073
This document will not become the contractual basis; the details included herein do not constitute any descriptions of expected conditions, so that warranties/claims
for defects on account of possible variations of the actual qualities from the qualities described herein are explicitly excluded. All rights reserved. Specifications
subject to change without notice!
Document : 6086517073_en.doc / Last update : 1 / 2217-07
Date of issue: 23.04.2007 / Page 1 of 2
Bernstein AG, Tieloser Weg 6, D-32457 Porta Westfalica / www.bernstein-ag.de
Vorlage : 0850174281 Orig. 1
Technical Data
Plastic bodied limit switch
Mechanical data
Enclosure Thermoplastic, glass fibre reinforced (UL 94-V0)
Cover Thermoplastic, glass fibre reinforced (UL 94-V0)
Actuator Roller (thermoplastic)
Ambient air temperature -30°C … +80°C
Contact type 2 NC, 1 NO (Zb)
Mechanical life 1 x 106 switching cycles
Switching frequency ≤ 100/min
Assembly 2 x M4
Connection 6 screw connections (M3)
Conductor cross-sections Solid: 0,5 ... 1,5mm²
Litz wire with ferrules: 0,5 ... 1,5mm²
Cable entrance 1 x M20x1,5
Weight ≈ 0,07kg
Installation position Operator definable
Protection type IP65 acc. to EN 60529; DIN VDE 0470 T1
Actuation
The actuating device is preferably started from 2 sides.
By loosening the 4 screws the actuation assembly can be rotated in 90 degree increments such that 4 actuation
directions are possible.
The actuation assembly is to be again fastened to the housing using the 4 screws.
Standards
VDE 0660 T200, DIN EN 60947-5-1, IEC 60947-5-1
EU Conformity
Approvals
Notes
The degree of protection (IP code) specified applies solely to a property closed cover and the use of an
equivalent cable gland with adequate cable.
VDE 0660 T100, DIN EN 60947-1, IEC 60947-1
CCSAUS B300 (same polarity)
This document will not become the contractual basis; the details included herein do not constitute any descriptions of expected conditions, so that warranties/claims
for defects on account of possible variations of the actual qualities from the qualities described herein are explicitly excluded. All rights reserved. Specifications
subject to change without notice!
Document : 6086517073_en.doc / Last update : 1 / 2217-07
Date of issue: 23.04.2007 / Page 2 of 2
Bernstein AG, Tieloser Weg 6, D-32457 Porta Westfalica / www.bernstein-ag.de
Vorlage : 0850174281 Orig. 1