4120-G111-K1M1-A1S0ZN-2,5 ETA Thermal circuit breaker
1-pole thermally protected
Rated current 2.5 A
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Series 4120 switches are single-pole, thermal circuit breakers with threaded neck mounting, push/pull actuation, temperature compensation and high switching capacity and optional auxiliary contact. They have reliable switching behaviour due to unaffected free tripping.
The special design allows use under extreme environmental conditions. Various dummies without electrical protective functions are available for fixing pre-installed wiring without loads.
Typical areas of application:
Land, air and water vehicles
Technical data:
| rated voltage | aC 115 V (300 Hz to 800 Hz); DC 28 V |
| nominal current range | 1...25 A (0.5 A on request) |
| auxiliary circuit | 0.5 A, DC 28 V |
| service life | 20,000 switching cycles mechanically or 5,000 switching cycles with 1 x IN |
| ambient temperature | -55...125 °C |
| insulation coordination (IEC 60664) | 1.5 kV/3 |
| dielectric strength Actuating range Main circuit to auxiliary circuit |
test voltage AC 1 500 V Test voltage AC 1 500 V |
| insulation resistance | > 100 MΩ (DC 500 V) |
| switching capacity Icn | aC 115 V (400 Hz): 1...4 A 1 000 A 5...25 A 2 000 A DC 28 V: 1...25 A 6 000 A |
| protection class (IEC 60529) | actuation range IP40 Connection range IP00 |
| vibration resistance (sinusoidal) | 10 g (57-2000 Hz), ± 0.76 mm (5-57 Hz) Test in accordance with ISO 7137, EN 2350 Section 5.3.1 |
| vibration resistance (noise) | 1...2.5 A: 0.04 g2/Hz ± 1.5 dB; 7.3 g eff 3...20 A: 0.06 g2/Hz ± 1.5 dB; 9 g eff Test in accordance with ISO 7137 |
| acceleration | 17 g, test according to ISO 2669, EN 2350, section 5.3.3 |
| shock resistance | 50 g (11 ms), test according to ISO 7137, EN 2350 section 5.3.2 |
| corrosion resistance | 48 hours in 5 % salt spray Test in accordance with ISO 7137, EN 2350 Section 5.4.2 |
| moisture test | 240 hours in 95 % relative humidity, test in accordance with ISO 7137, EN 2350 Section 5.4.3 |
| explosion tightness | test in accordance with VG 95210, sheet 10 |
| operating altitude | ≤ 22 000 m above sea level |
| mass | approx. 20.6 g with accessories without auxiliary contact Approx. 24.6 g with accessories and auxiliary contact |
Approvals and types:
| test centre | test standard | rated voltage | rated current range |
| uL | uL 1077 | dC 50 V | 0.5 A...25 A |
| bw | vG 95345, part 6 | aC 115 V, 400 Hz DC 28 V |
1 A...25 A 1 A...25 A |
| bw | eN 2495-...U / -...M |
aC 115 V, 400 Hz DC 28 V |
1 A...25 A 1 A...25 A |
| bw | lN 29887 | aC 115 V, 400 Hz DC 28 V |
5 A...25 A 5 A...25 A |
| bw | eN 3773-004 | aC 115 V, 400 Hz DC 28 V |
1 A...25 A 1 A...25 A |
| dep. of the Navy | mS 3320 | aC 115 V, 400 Hz DC 28 V |
1 A...20 A 1 A...20 A |
| airbus | eN 2995-004 | aC 115 V, 400 Hz DC 28 V |
1 A...25 A 1 A...25 A |
| airbus | eN 2995-005 | aC 115 V, 400 Hz DC 28 V |
1 A...25 A 1 A...25 A |
| Item name | 4120-G111-K1M1-A1S0ZN-2,5 ETA Thermal circuit breaker |
|---|---|
| SKU | 24-01788 |
| Weight | 0.020900 |
| Colour d. Actuating element | N black according to EN standard (e.g. 2 1/2) |
| Auxiliary contact | S0 without auxiliary contact |
| Country of manufacture | Indonesia |
| Connection type Main connections | K1 Screw terminals with metric thread K14 (M4) |
| Design: Communication, interface | 01 analog Signal |
| Series | 4120 |
| Version | 1 ohne galvanische Trennung |
| Manufacturer | E-T-A |
| Manufacturer number | 412000001140C |
| Additional function | 0 ohne |
| Accessories clamping discs | 1 spring washer A4 mounted |
| Accessories clamping screws | A Oval head screw with cross recess M4x6 mounted |
| Accessories for threadneck | 1 hexagon nut M12x1, aluminium, corrugated washer 12/15, mounted |
| Actuating element | Push button |
| Undervoltage module | none |
| Partition wall | Z without partition wall |
| Operating voltage | DC 24 V Nennspannung DC 24 V |
| Number of poles | 1-pole thermally protected |
| Mounting type | G Threadneck mounting with temperature compensation |
| Dimension and shape (thread neck) | 1 M12x1x6.3, aluminium |
| Characteristic | M1 Thermal 1.15 - 1.4 x IN |
| Commodity code | 85362010 |
| Traub order number | 4120-G111-K1M1-A1S0ZN-2,5 |
E-T-A
Elektrotechnische Apparate GmbH
Industriestraße 2-8
90518 Altdorf b. Nürnberg
Deutschland
order@e-t-a.de
e-t-a.de