DAM1 series Thermal and magnetic adjustable range of Moulded Case Circuit Breakers are designed and manufactured to world-class standards.Provide overload and short-circuit protection for all applications.The thermal&magnetic elements, adjustable over a wide band,make these MCCBs ideal for any distribution application.
Advantages
°Wide range:400A to 630A(AC)
°Compact dimensions
°Adjustable thermal setting(70-100%)In.
°Adjustable magnetic setting(5-10times)In.
°Push to trip button provision.
°Separate main and arcing contacts
°Wide range of accessories.
| Thermal Adjustable Magnetic adjustable Circuit Breakers (TAMA) | ![]() | |||||
| Model | DAM1-630 | |||||
| Breaking Capacity Code | N | S | H | G | ||
| Rated Current of Frame size- Inm (A) | 400A | |||||
| Rated Current-In(40,50 or 55ºC) (A) | 250 - 315 (350)- 400 - 500 - 630A | |||||
| Ui(a.c.) 50-60Hz (V) | 750V | |||||
| Ue(a.c.) 50-60Hz(V) | 400/415V | |||||
| Number of Pole | 3P /4P | |||||
| Icu (KA) | 35 | 50 | 70 | 85 | ||
| Ics (KA) | 26.25 | 37.5 | 52.5 | 52.5 | ||
| Icm(peak)(KA) | 70/0.25 | 110/0.25 | 154/0.2 | 187/0.2 | ||
| Uimp (V) | 8000 | |||||
| Dielectric Propery (V) | 3000 | |||||
| lonization distance (mm) | ≤60/0 | |||||
| Endurance | Total Cycles | 5000 | ||||
| Electrical Life | 1000 | |||||
| Mechanical Life | 4000 | |||||
| Over Current trip | Thermal adjustable | Min:0,7In -Max:1In | ||||
| Magnetic adjustable | 5In-10In | |||||
| Category (EN 60947-2/IEC 60947-2) | Main circuit | A/B | ||||
| Auxiliary circuit | AC-15 | |||||
| Under Voltage Release | √ | |||||
| Shunt Release | √ | |||||
| Auxiliary Contact | √ | |||||
| Alarm Contact | √ | |||||
| Auxiliary and Alarm Contact | √ | |||||
| Handle Operation Mechanism | √ | |||||
| Electrical Operastion Mechanism | √ | |||||
| DIN clips | - | |||||
| Terminal cover | √ | |||||
| Phase seperator | √ | |||||
| Extention Handle | √ | |||||
| W (mm) | 3P | 140 | ||||
| 4P | 184 | |||||
| L (mm) | 3P | 254 | ||||
| 4P | 254 | |||||
| H (mm) | 3P | 103.5 | ||||
| 4P | 103.5 | |||||
| Weight | Fixed version 3P/4P | 5.1/7.1 | ||||
| Plug-in version 3P/4P | 6.5/8.5 | |||||
| Draw out version 3P/4P | 6.5/8.7 | |||||
















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