Description
Schneider Electric C253TM250 Trip unit TM250D, ComPacT NSX250, 3 poles, thermal magnetic protections, 250A rating
This TM250D is a 3 poles 3d thermal-magnetic trip unit used on ComPacT NSX 250 circuit breakers. This 250A rating thermal-magnetic trip unit is an optimum choice for all distribution applications. It embeds an adjustable thermal overload protection and a fixed magnetic protection against short-circuits. This product is part of our EcoStruxure Power architecture if associated with PowerTag NSX and ComPacT NSX basic frame.
Features:
• Estimated 40% reduction of wiring time for panel builders
• Experience easier installation thanks to a new ergonomic front-plate design
• Gain the confidence that all auxiliaries are on the right spot, and check that you have the right coil rating
• Ergonomic new toggle for easier breaker manual operation
Technical Specifications
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| Long time pick-up adjustment type Ir | adjustable |
| [In] rated current | 250 A at 40 °C |
| Ambient air temperature for operation | -25-70 °C |
| Instantaneous pick-up adjustment type Ii | adjustable |
| Earth-leakage protection | without |
| Mounting mode | fixed |
| Supplier Code | C253TM250 |
| Instantaneous pick-up adjustment range | 5...10 x In |
| Ambient air temperature for storage | -50-85 °C |
| Trip unit name | TM-D |
| Poles description | 3P |
| Network frequency | 50/60 Hz |
| Trip unit protection functions | LI |
| Protected poles description | 3D |
| Protection type | I : for short-circuit protection (magnetic) |
| Network type | AC |
| Trip unit technology | thermal-magnetic |
| Device application | distribution |
| [Ue] rated operational voltage | 690 V AC 50/60 Hz |
| IP degree of protection | IP40 conforming to IEC 60529 |
| Range | ComPacT new generation |
| Standards | EN/IEC 60947-2 |
| Long time pick-up adjustment range | 0.7...1 x In |
| Brand Name | Schneider Electric |
| Electrical shock protection class | class II |
| 1 | https://visuals.se.com/C253TM250-360VH/20210418T2144/360 |
| [tr] long-time delay adjustment range | 15-15 s at 6 x Ir |
| Range compatibility | ComPacT new generation NSX250 |
| Pollution degree | 3 conforming to IEC 60947-1 |
| Long time delay adjustment type | fixed |
| Product or component type | trip unit |
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