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trip unit TM250D for ComPact NSX 250 circuit breakers, thermal magnetic, rating 250 A, 4 poles 4d - LV431450
LV431450
Obsolete product, here is the proposed substitution for the reference LV431450 : C254TM250
Technical informations
| Range: | ComPact |
|---|---|
| Range of product: | ComPact NSX100...250 |
| Product or component type: | Trip unit |
| Trip unit name: | TM-D |
| Trip unit technology: | Thermal-magnetic |
| Range compatibility: | ComPact NSX250 |
| Device application: | Distribution |
| Poles description: | 4P |
| Protected poles description: | 4t |
| Neutral position: | Left |
| Trip unit protection functions: | LI |
| Protection type: | L |
| [In] rated current: | 250 A at 40 °C |
| [Ue] rated operational voltage: | 690 V AC 50/60 Hz |
| Network type: | AC |
| Network frequency: | 50/60 Hz |
| Long time pick-up adjustment type Ir: | Adjustable |
|---|---|
| Long time pick-up adjustment range: | 0.7...1 x In |
| Long time delay adjustment type: | Fixed |
| [tr] long-time delay adjustment range: | 120...400 s at 1.5 x In15 s at 6 x Ir |
| Short-time pick-up adjustment type Isd: | Adjustable |
| [Isd] short-time pick-up adjustment range: | 5...10 x In |
| Short-time delay adjustment type: | Fixed |
| Earth-leakage protection: | Without |
| Neutral protection setting: | 1 x Ir (4t) |
In short
Reference LV431450
Product Name trip unit TM250D for ComPact NSX 250 circuit breakers, thermal magnetic, rating 250 A, 4 poles 4d - LV431450
Device function Distribution
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