MA AGB304 GB 180914
1
Z/T 235/236
Z/T 255/256
Operating instructions
Position switches
EN
General information
Observe country-specific regulations for installation, safety, acci-
dent prevention and also rules governing proper disposal.
Technical data
Standards: IEC 60947-5-1, BG-GS-ET-15
Design according to ISO 14119: 1
Protection class: IP65, IP67 to IEC 60529
Protection class 235, 255 or 236, 256: I or II,
X
Degree of pollution: 3
Ambient temperature: –30 °C … +80 °C
Tightening force:
-
Fixing screws 236, 256:
1.2 Nm
- Fixing screws 235, 255: 2 Nm
- Cover screw 235, 255: 0.7 Nm
- Screws of the actuating head: 0.45 Nm
Cable section: 0.75 … 2.5 mm²
Utilisation category AC-15, DC-13 I
e
/U
e
:
- Screw terminals: 4 A / 240 VAC, 1 A / 24 VDC
- M12 connector, 4-pole 236, 256: 4 A / 240 VAC, 1 A / 24 VDC
- M12 connector, 4-pole 235, 255: 4 A / 50 VAC, 1 A / 24 VDC
Rated impulse withstand voltage U
imp
:
- Screw terminals: 6 kV
- M12
connector,
4-pole 236, 256 or 235, 255: 4 kV or 0.8 kV
Rated insulation voltage U
i
:
- Screw terminals: 250 V
-
M12 connector, 4-pole
236, 256 or 235, 255: 250 V or 50 V
Thermal test current I
the
:
- Screw terminals: 10 A
- M12 connector, 4-pole: 4 A
Max. fuse rating: 6 A gG D-fuse
Required short-circuit current: 1,000 A
B
10D
NC contact to ISO 13849-1: 20,000,000
For NPT threads, conduit hub is to be connected
to conduit before hub is connected to enclosure.
For 256 Models: Not for use with rigid conduit.
Further information along with the latest applicable declaration
of conformity can be found in the Schmersal catalogues or in
the online catalogue on the Internet: www.schmersal.net.
Contact variants
The electrical connection may only be carried out by
authorised personnel in a de-energised condition.
For the cable entry, suitable cable glands with an appropriate degree of
protection must be used.
Pin assignment of versions with M12 connector shown in brackets.
All NC contacts have positive break
A
.
13
21
14
22
(
3
)
(
1
)
(
4
)
(
2
)
11
21
12
22
(
3
)
(
1
)
(
4
)
(
2
)
13
23
14
24
(
3
)
(
1
)
(
4
)
(
2
)
Z/T 235-11Z
Z/T 236-11Z
Z/T 255-11Z
Z/T 256-11Z
Z/T 235-02Z
Z/T 236-02Z
Z/T 255-02Z
Z/T 256-02Z
T 235-20Z
T 236-20Z
T 255-20Z
T 256-20Z
Mounting
The enclosure must not be used as an end stop.
Any mounting position. (Dimensions in mm)
Actuation head
adjustable in increments of 90°
Offset roller lever
adjustable in increments of 10°
10°
10°
10°
10°
Z/T 235 Z/T 236
22
13.5
30
20
30
63.5
8.5
20
4.3
15
30
30
20
20
4,3
22
58,53
4
8,5
¤24
Z/T 255 Z/T 256
22
42
52
63
4
8,5
19,5
63,5
20
13,5
30
6,1
20,1
50,5
20
4
8,5
22
4,3
1
42
50
58
20
26
13,5
31
K.A. Schmersal GmbH & Co. KG
Möddinghofe 30, D - 42279 Wuppertal
Postfach 24 02 63, D - 42232 Wuppertal
Phone: +49 - (0)2 02 - 64 74 - 0
Telefax: +49 - (0)2 02 - 64 74 - 1 00
E-Mail: info@schmersal.com
Internet: http://www.schmersal.com
x.000 / 06.2018 / v.A. - 103026531-EN / S / 2018-06-13 / AE-Nr. 9475
EN
Operating instructions. . . . . . . . . . . . . . . . . page 1
Original