Bernstein 612.1144.304 Technical Data

Technical Data

Metal bodied limit switch

Series GC

Description GC-U1Z W NIRO Article number 6121144304

Operating symbol

Operating diagram

Blind hole for fitting pin
Ø4; 5.5 deep

Tolerance:
Operating point ±0,25 mm;

On Off

Actuating force ±10 %

Electrical Data

Rated insulation voltage U
Conv. thermal current I
Rated operational voltage U
Utilization category AC-15, U
Positive opening operation

400 V AC

i

10 A

the

240 V

e

240 V / 3 A

p

acc. to IEC/EN 60947-5-1, Annex K

e/Ie

Short-circuit protective device Fuse 10 A gG
Protection class

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 2017-09-27 and will not be removed in case of changes.

I

Page 1 of 2

6121144304 / 2093-17

Technical Data

Mechanical data

Enclosure Die-cast aluminium
Cover Sheet aluminium
Actuator Plunger (stainless steel), Actuating head (POM), Screws (stainless steel)
Ambient air temperature -30 °C ... +80 °C
Contact type 1 NC, 1 NO (Zb)
Mechanical life 10 x 10
Switching frequency ≤ 100 / min.
Assembly 2 x M4
Connection 4 screw connections (M3,5)

Conductor cross-sections

Cable entrance 1 x cable gland M20 x 1.5 (clamp-range 5 – 10 mm)
Weight ≈ 0,156 kg
Installation position operator definable
Protection type IP65 acc. to IEC/EN 60529

Actuation

The push bolt actuator is mainly intended to be actuated along it’s axis.
Side actuation will considerably reduce switch life.

6

operating cycles

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

Standards

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

EU Conformity

acc. to directive 2014/35/EU (Low-Voltage-Directive)

Approvals

CSAUS A300 (same polarity)

C

CCC

Notes

The switch must not be used as a stop.
The specified protection classification (IP code) applies only when the cover is closed and the appropriate cable
is used, in accordance with the clamping range of the above mentioned cable gland.

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 2017-09-27 and will not be removed in case of changes.

Page 2 of 2

6121144304 / 2093-17