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Ordering details |
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Product type description | T4R 256-20ZH - Ordering suffix |
Article number | 101145162 |
EAN Code | 4030661136332 |
eCl@ss | 27-27-26-01 |
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Approval |
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Approval | USA/CAN
CCC
EAC |
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Classification |
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Standards | ISO 13849-1 |
Mission time | 20 Years |
notice |  |
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Global Properties |
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Permanent light | T 256 Rollendruckbolzen mit Zentralbefestigung 4r |
Standards | IEC 60947-5-1, ISO 13849-1, BG-GS-ET-15 |
Compliance with the Directives (Y/N)  | Yes |
Suitable for safety functions (Y/N) | No |
Materials |
- Material of the housings | Plastic, glass-fibre reinforced thermoplastic, self-extinguishing |
- Material of the contacts | Silver |
Housing coating | None |
Housing construction form | Norm construction design |
Weight | 91 |
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Mechanical data |
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Design of electrical connection | Screw connection |
Cable section |
- Min. Cable section | 0,75 |
- Max. Cable section | 2.5 |
Mechanical life | 20.000.000 operations |
Switching frequency | max. 5000 /h |
notice | All indications about the cable section are including the conductor ferrules. |
Design of actuating element | Roller plunger |
Actuating force | min. 9 N |
Bounce duration | in accordance with actuating speed |
Switchover time | in accordance with actuating speed |
Positive break force | 19 N |
Actuating speed with actuating angle 30° to switch axis |
- Min. Actuating speed | 120 mm/min |
- Max. Actuating speed | 1 m/s |
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Ambient conditions |
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Ambient temperature |
- Min. environmental temperature | −30 °C |
- Max. environmental temperature | +80 °C |
Protection class | IP67 |
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Electrical data |
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Design of control element | Normally open contact (NO) |
Switching principle | Slow action with staggered contacts |
Number of auxiliary contacts | 2 |
Number of safety contacts | 0 |
Rated impulse withstand voltage Uimp | 6 kV |
Rated insulation voltage Ui | 500 V |
Thermal test current Ithe | 10 A |
Utilisation category | AC-15: 230 V / 4 A, DC-13: 24 V / 1 A |
Required rated short-circuit current | 1000 A |
Max. fuse rating | 6 A gG D-fuse |
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Dimensions |
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Dimensions of the sensor |
- Width of sensor | 58 mm |
- Height of sensor | 90.5 mm |
- Length of sensor | 31 mm |
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notice |
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Switch with 2 NO contacts are not for security tasks |
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Diagram |
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Note Diagram
positive break NC contact
active
no active
Normally-open contact
Normally-closed contact |
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Switch travel diagram |
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Notes Switch travel diagram
Contact closed
Contact open
Setting range
Break point
Positive opening sequence/- angle VS adjustable range of NO contact VÖ adjustable range of NC contact N after travel
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Ordering suffix |
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The applicable ordering suffix is added at the end of the part number of the safety switch. Order example: T4R 256-20zh-1637
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...-1637 | 0,3 µm gold-plated contacts
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...-NPT | Cable entry NPT 1/2“
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...-2310  | M12 connector with B-coding
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...-1297 | Enclosure with transverse slotted holes
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...-ST  | M12 connector with A-coding
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K.A. Schmersal GmbH & Co. KG, Möddinghofe 30, D-42279 Wuppertal The data and values have been checked throroughly. Technical modifications and errors excepted. Generiert am
19.02.2019 -
19:37:10h Kasbase 3.3.0.F.64I |