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UniWave Electric
UniWave Electric
AXDM1 molded case circuit breaker for AC 50/60Hz systems up to 400V and 800A, providing overload, short-circuit and undervoltage protection, compact structure, high breaking capacity up to 65kA, and compliance with IEC 60947-2 standards.
The AXDM1 series molded case circuit breaker is suitable for AC 50Hz / 60Hz power systems with a rated operating voltage of 400V. The rated insulation voltage is 800V for frame size 63 and 1000V for frame sizes 125–800, with rated operating current up to 800A. It is used for frequent circuit switching and infrequent motor starting.
| Code Segment | Description | Optional Parameters / Notes |
|---|---|---|
| AXD | Model series code | — |
| M | Molded case circuit breaker | — |
| 1 | Design series number | — |
| 125 | Frame rated current Inm (A) | 63, 125, 250, 400, 630, 800 |
| L | Breaking capacity level | L: Standard (25/35/50kA); M: High (50/65kA) |
| P | Operating mode | P: Motor operation; Z: Rotary handle |
| 3 | Trip unit & internal accessories | 3: Thermal-magnetic trip unit |
| 300 | Number of poles | 2, 3, 4 |
| 2 | Application type | None: Distribution; 2: Motor protection; Th: Tropical-proof |
| B | Neutral pole type (4-pole) | A/B/C/D types (see standard definition) |
| 63A | Rated current | Refer to Table 5 |
| Installation | Mounting method | Front wiring, rear wiring, plug-in |
| Accessories | Optional accessories | Mechanical interlock between breakers |
| Rated Current (A) | Thermal Trip (40°C) | Magnetic Trip Current | |
|---|---|---|---|
| 1.05In (cold) Non-trip (h) | 1.30In (hot) Trip (h) | ||
| 10 ≤ In ≤ 63 | ≥1 | <1 | 10In ±20% |
| 63 < In ≤ 100 | ≥2 | <2 | — |
| 100 < In ≤ 800 | ≥2 | <2 | 5In ±20%, 10In ±20% |
| Rated current of the trip unit (A) | Thermal Trip Unit (Ambient Temp: Marine +45°C, Land +40°C) | Electromagnetic Trip Device Operating Current(A) | |||
|---|---|---|---|---|---|
| 1.0 ln (Cold) Non-Act. (h) | 1.20 ln (Hot) Response (h) | 1.50 ln (Hot) Response (h) | 7.2ln (Cold) Response (h) | ||
| 10 ≤ In ≤ 225 | ≥2h | <2h | <4min | 12In ±20% | — |
| 225 < In ≤ 630 | — | <8min | 6s < Tp ≤ 20s | — | — |
| Model | AXDM1-63 | AXDM1-125 | AXDM1-250 | AXDM1-400 | AXDM1-630 | AXDM1-800 |
|---|---|---|---|---|---|---|
| Frame Current Inm (A) | 63 | 125 | 250 | 400 | 630 | 800 |
| Rated Current In (A) | 10–63 | 16–125 | 100–250 | 225–400 | 400–630 | 630–800 |
| Poles | 3,4 | 2,3,4 | 2,3,4 | 3,4 | 3,4 | 3,4 |
| Rated Insulation Voltage Ui (V) | 800 | 1000 | — | — | — | — |
| Rated Working Voltage Ue (V) | AC400 | AC400/690 | — | — | — | — |
| Impulse Withstand Voltage (V) | 8000 | 12000 | — | — | — | — |
| Ultimate Breaking Capacity Icu (kA) | up to 65 | up to 65 | up to 50 | up to 100 | up to 65 | up to 75 |
| Electrical Life (operations) | 1500 | 1500 | 1000 | 1000 | 1000 | 500 |
| Mechanical Life (operations) | 8500 | 8500 | 7000 | 4000 | 4000 | 2500 |
