Limit Switch CR137-BZ-T2 | Roller Lever, IP54, 10 A 250 V | Industrial Position & Safety Switch
CR137-BZ-T2 is a heavy-duty limit switch built for reliable position feedback and safety circuits on conveyors, hoists, packaging machines and automated doors. Its snap-action, positive-break NC contact guarantees machine stop even on contact weld, while the IP54 glass-fibre reinforced housing shrugs off dust, oil and 80 °C peaks without de-rating.
Key advantages
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Positive-break NC contact – failsafe per IEC 60947-5-1
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Fixed roller lever – repeatable 1.5 mm pre-travel, no field adjustment
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IP54 protection – indoor or outdoor panel mount
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30-million-cycle mechanism – cut maintenance downtime
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Two M20 cable entries – fast wiring, double cable glands possible
| Specification |
Value |
| Type |
CR137-BZ-T2 |
| Contact arrangement |
1 NC positive-break + 1 NO |
| Thermal current |
10 A |
| Rated insulation voltage |
250 V |
| Utilization category |
AC-15: 3 A / 250 V, DC-13: 0.3 A / 250 V |
| Protection degree |
IP54 (IEC 60529) |
| Housing / lever |
Glass-fibre reinforced PBT / stainless-steel roller |
| Cable entries |
2 × M20 × 1.5 (cable Ø 6 … 12 mm) |
| Operating / release force |
≤ 15 N / ≥ 4 N |
| Pre-travel / over-travel |
1.5 mm / ≥ 3 mm |
| Mechanical life |
≥ 30 million operations |
| Ambient temperature |
–30 °C … +80 °C |
| Mounting |
2 × captive M5 × 30 mm screws |
| Weight |
≈ 0.15 kg |
Typical applications
Elevator limit & slowdown, overhead-door end-stop, conveyor over-travel guard, packaging-machine position feedback.