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Single pole, miniaturised, aircraft style thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE
to EN 60934). An indicator band on the push button clearly shows the tripped/off position. The circuit is
threadneck panel mounted in metric configurations.
Advanced two-chamber design contributes to fail-safe operation. Temperature compensation from -55°C to +125°C, with auxiliary contacts, and fully approved for use on a wide range of aircraft and equipment. Full specification ensures suitability for the most demanding applications.
Voltage Rating
115V AC / 12-28 V DC
Typical Life
20,000 operations mechanical or,
10,000 operations at IN (≤ 25A)
5,000 operations at IN (30 + 35A)
Ambient Temperature
-55°C to +125°C (-67°C to +257°F)
Insulation co-ordination (IEC 60664 & 60664A)
Rated impulse withstand voltage 1.5kV
Pollution degree 3
Dielectric Strength (IEC 60664 & 60664A)
Test Voltage
Operating area AC 1,500V
Main to aux. circuit AC 1,500V
| Interrupting Capacity Icn |
| AC 115V (400 Hz) |
| ≤4A |
1,000A |
| 5A |
2,000A |
| 7.5 to 35A |
2,500A |
| |
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| DC 28V |
| 1 to 25A |
6,000A |
| 30 + 35A |
4,000A |
Vibration
15g (70 - 2000Hz) - Sinus 16.4 grams – Random
Acceleration
17g
Shock
75g
Explosion
to VG 95210, sheet 10/MIL - STD-202, meth. 109
| Parts |
Part No. |
Description |
| HMET483.03 |
3A - Max. 28V DC |
| HMET483.05 |
5A - Max. 28V DC |
| HMET483.07 |
7.5A - Max. 28V DC |
| HMET483.10 |
10A - Max. 28V DC |
| HMET483.15 |
15A - Max. 28V DC |
| HMET483.20 |
20A - Max. 28V DC |
| HMET483.25 |
25A - Max. 28V DC |
| HMET483.30 |
30A - Max. 28V DC |
| HMET483.35 |
35A - Max. 28V DC |
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| Spare Parts |
Part No. |
Description |
| HMET307.01 |
ID collar Black |
| HMET307.02 |
ID collar White |
| HMET307.03 |
ID collar Red |
| HMET307.04 |
ID collar Green |
| HMET307.05 |
ID collar Blue |
| HMET307.51 |
Safety lock-out collar Red |
| HMET200.08 |
IP66 safety cover Clear |
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