| Range |
Masterpact |
| Product Name |
Masterpact MTZ2 |
| Device Short Name |
MTZ2 12 H1 |
| Product Or Component Type |
Circuit breaker |
| Device Application |
Protection |
| Poles Description |
4P |
| Neutral Position |
Left |
| Network Type |
AC |
| Network Frequency |
50/60 Hz |
| Rating Code |
H1 |
| Suitability For ISOlation |
Yes IEC 60947-2 |
| Selectivity Category |
Category B |
| Control Type |
Push-button |
| Mounting Mode |
Drawout |
| Mounting Support |
Base plate
Rails |
| In Rated Current |
1250 A 104 °F (40 °C) |
| Ui Rated Insulation Voltage |
1000 V AC 50/60 Hz IEC 60947-2 |
| Uimp Rated Imp Wstd Voltage |
12 kVIEC 60947-2 |
| Icm Rated Sc Making Cap |
145 kA 220/415 V AC 50/60 Hz
145 kA 440 V AC 50/60 Hz
145 kA 500/525 V AC 50/60 Hz
145 kA 660/690 V AC 50/60 Hz |
| Ue Rated Operational Voltage |
690 V AC 50/60 Hz IEC 60947-2 |
| Circuit Breaker Ct Rating |
1250 A |
| Performance Level |
66 kA Icu 220/415 V AC 50/60 Hz IEC 60947-2
66 kA Icu 440 V AC 50/60 Hz IEC 60947-2
66 kA Icu 500/525 V AC 50/60 Hz IEC 60947-2
66 kA Icu 660/690 V AC 50/60 Hz IEC 60947-2 |
| Ics Rated Service Breaking Cap |
66 kA 220/415 V AC 50/60 Hz IEC 60947-2
66 kA 440 V AC 50/60 Hz IEC 60947-2
66 kA 500/525 V AC 50/60 Hz IEC 60947-2
66 kA 660/690 V AC 50/60 Hz IEC 60947-2 |
| Mechanical Durability |
25000 cycles with periodic preventive maintenance IEC 60947-2 |
| Electrical Durability |
10000 cycles 440 V AC 50/60 Hz IEC 60947-2
10000 cycles 690 V AC 50/60 Hz IEC 60947-2
AC-23A 10000 cycles 440 V AC 50/60 Hz IEC 60947-3
AC-23A 10000 cycles 690 V AC 50/60 Hz IEC 60947-3
AC-3 6000 cycles 440/690 V AC 50/60 Hz IEC 60947-3 |
| Connection Pitch |
4.53 in (115 mm) |
| Icw Rated Short-Time Wstd Crrt |
66 kA 0.5 s IEC 60947-2
66 kA 1 s IEC 60947-2
36 kA 3 s IEC 60947-2 |
| Maximum Breaking Time |
25 ms |
| Closing Response Time |
70 ms |
| Height |
Drawout circuit breaker without chassis 11.81 in (300 mm)
Drawout circuit breaker with chassis 17.28 in (439 mm) |
| Width |
Drawout circuit breaker without chassis 19.41 in (493 mm)
Drawout circuit breaker with chassis 21.89 in (556 mm) |
| Depth |
Drawout circuit breaker without chassis 11.81 in (300 mm)
Drawout circuit breaker with chassis 15.87 in (403 mm) |
| Standards |
IEC 60947-2
IEC 60364-8-1 |
| Product Certifications |
ASTA |
| Pollution Degree |
3 IEC 60947-1 |
| Ambient Air Temp For Op |
-13…158 °F (-25…70 °C) |
| Ambient Air Temp For Storage |
-40…185 °F (-40…85 °C) |
| GTIN |
03606480808777 |
| Green Premium Status |
Green Premium product |
| EU RoHs Directive |
Compliant |
| Mercury Free |
Yes |
| Pvc Free |
Yes |
