
Elmeasure · Circuit protection
Elmeasure EWave Microprocessor (LSIG) MCCB
Price on enquiry
EWave series microprocessor MCCBs with LSIG protection from 40 A to 1250 A.
Sankalp Electricals is an authorised channel partner of Elmeasure.
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Key features
- Ranges from 40 A – 1250 A; 36 kA and 50 kA ordering codes, up to 100 kA on request
- Adjustable overload 0.4 to 1.0 x In and short-circuit 1.5 to 8 x In
- In-built ground fault protection from 20% to 50% of In
- Adjustable neutral overload protection from 50–150% of Ir
- Optional communication module for BEMS/SCADA
Applications
- Industrial/manufacturing plants
- Commercial buildings
- Data centers
- Healthcare facilities
Technical specifications
| Poles | 3/4 |
|---|---|
| Impulse withstand voltage Uimp | 8 kV |
| Rated operational voltage Ue (max) | 690 V |
| Rated insulation voltage Ui | 800 V |
| Utilisation category | A |
| Standard | IS/IEC60947-2, IEC60947-2 & EN60947-2 |
| Operating frequency | 50 / 60 Hz |
| Suitable for isolation / finger-proof terminals | Yes / Yes |
| IP class | IP40 |
| Pollution degree | III |
| Ambient temperature | -5°C to 55°C |
| Storage temperature | -35°C to 70°C |
| Mounting positions in vertical plane | Vertical and 90 deg in both directions |
| Release | MP (MTX1.0/2.0/3.0) |
|---|---|
| Current range | 40–160A (160DM), 100–250A (250DM), 160–400A (400DM), 250–630A (630DM), 400–1250A (1250NM) |
| Breaking capacity (ordering codes) | 36kA (160DM – 630DM), 50kA (1250NM) |
| Ics | 100% of Icu |
| Total opening time | <10msec; <20msec (1250 A) |
| Dimensions 1250 A (W x D x H) | 210 x 143 x 370 mm (3P), 278 x 143 x 370 mm (4P) |
| Weight 1250 A (3/4 pole) | 17 / 22 kg |
| Overload | Adjustable 0.4 to 1.0 x In |
|---|---|
| Short-circuit | Adjustable 1.5 to 8 x In |
| Ground fault | In-built, 20% to 50% of In |
| Instantaneous | In-built protection against short circuits |
| Neutral overload | Adjustable 50–150% of Ir |
| Trip class | Variable (LSIG) |
| Shunt release | SRE1250N415V (250DM – 1250NM); on request for 160DM |
|---|---|
| U/V release | UVEN630D240V (250DM – 630DM); UVE1250D240V (1250NM); on request for 160DM |
| Spreader terminals | STEZ13160/STEZ14160, STEN3250/STEN4250, STEN3400/STEN4400, STEN3630/STEN4630, STEN3800, STEN31000, STEN31250, STEN4800, STEN41000, STEN41250 |
| Rotary operating mechanism | EROMEN2250 (250DM), EROMEN3630 (400DM, 630DM), EROMEN41250 (1250NM); on request for 160DM |
Ordering codes
| Code | Rating | Description |
|---|---|---|
| E3Z160DM0160 | 40–160A | 3 Pole, 36kA |
| E3N250DM0250 | 100–250A | 3 Pole, 36kA |
| E3N400DM0400 | 160–400A | 3 Pole, 36kA |
| E3N630DM0630 | 250–630A | 3 Pole, 36kA |
| E3N1250NM1000 | 400–1000A | 3 Pole, 50kA |
| E3N1250NM1250 | 500–1250A | 3 Pole, 50kA |
| E4Z160DM0160 | 40–160A | 4 Pole, 36kA |
| E4N250DM0250 | 100–250A | 4 Pole, 36kA |
| E4N400DM0400 | 160–400A | 4 Pole, 36kA |
| E4N630DM0630 | 250–630A | 4 Pole, 36kA |
| E4N1250NM1000 | 400–1000A | 4 Pole, 50kA |
| E4N1250NM1250 | 500–1250A | 4 Pole, 50kA |




