Bernstein 611.6409.066 Technical Data

1

Technical Data

Safety switch

Series SK

Description SKT-SU1Z M3 X Article number 6116409066

Operating symbol

Operating diagram

T- with separate actuator

Tolerance:
Operating Point ± 0,25 mm;

On Off

Radial actuation / dimensions

Operating force ± 10 %

Actuator
withdrawn

Actuator M3

inserted

To prevent manipulation of the actuator,
The unclosed safety screw must be used
(M4x8)

5 mm ≤ A ≤ 8 mm, R ≥ 150 mm
The min. radius refers to a pivot at the top of the cap (S

BERNSTEIN AG . Hans-Bernstein-Straße 1 . 32457 Porta Westfalica . www.bernstein.eu

Technical modifications and errors excepted.

The technical datasheet corresponds to the technical state as of 2016-07-28 and will not be removed in case of changes.

)

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Page 1 of 3

6116409066 / 2422-16

Technical Data

Electrical Data

Rated insulation voltage U
Conv. thermal current I
Rated operational voltage U
Utilization category AC-15, U
Direct opening action
Short-circuit protective device Fuse 6 A gG
Protection class II, totally insulated

Mechanical data

Enclosure PBT
Cover PA 6.6
Actuator Separate actuator (St-stainless steel)
Extraction force 12 N
Ambient air temperature -30 °C … +80 °C
Contact type 1 NC, 1 NO (Zb)
Mechanical life 1 x 10
Switching frequency ≤ 30 / min.
Assembly Safety switch 2 x M4
Actuator 2 x M4 (supplied)
Connection screw connections (M3,5)
Conductor cross-sections Solid: 0,5 ... 1,5 mm²

Cable entrance 1 x M16 x 1,5
Weight ≈ 0,09 kg
Protection type IP65 acc. to IEC/EN 60529

250 V

i

10 A

the

240 V AC; 250 V DC

e

p

according to IEC/EN 60947-5-1, Annex K

6

switch operations

/Ie 240 V / 3 A; DC-13, Ue /Ie 250 V / 0,27 A

e

Litz wire with ferrules: 0,5 ... 1,5 mm²

ID for safety engineering

B10d 2 x 10

Actuation

1.draw clasp out

2.turn actuator head (4 x 90° rotation)

3.press-on clasp

Standards

VDE 0660 T100, DIN EN 60947-1, IEC 60947-1
VDE 0660 T200, DIN EN 60947-5-1, IEC 60947-5-1
DIN EN ISO 13849-1

EU Conformity

acc. to directive 2006/42/EC

6

cycles

BERNSTEIN AG . Hans-Bernstein-Straße 1 . 32457 Porta Westfalica . www.bernstein.eu

Technical modifications and errors excepted.

The technical datasheet corresponds to the technical state as of 2016-07-28 and will not be removed in case of changes.

Page 2 of 3

6116409066 / 2422-16