MOA OC (52 070 - 52 074, 52 079)
Electric rotary multi-revolution actuators for nuclear power plants - Inside containment
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Technical data
| MOA OC | ||||||||||||||||
| Type number | 52070 | 52071 | 52072 | 52074 | 52070 | 52071 | 52072 | 52074 | 52079 | |||||||
| Šneková převodovka | Planetová převodovka | IP 67 | ||||||||||||||
| Tripping force [kN] | 20-63 | 63-160 | 15-250 | 250-630 | 20-63 | 63-160 | 15-250 | 250-630 | 10-30 | |||||||
| Adjusting time [s/90°] | ||||||||||||||||
| Position-changing velocity | [min-1] | |||||||||||||||
| [mm/min] | 16-100 | 40-100 | 40-100 | 40-120 | 16-40 | 25-100 | 25-70 | 33-95 | 9-40 | |||||||
| Working stroke | [°] | |||||||||||||||
| [ot] | ||||||||||||||||
| [mm] | 2-250 | 2-250 | 2-250 | 2-250 | 2-250 | 2-250 | 2-250 | 2-240 | 1,5-38 | |||||||
| Supply voltage | 1x 230 V, 50 Hz | |||||||||||||||
| 24 V, 50 Hz | ||||||||||||||||
| 1 x 110 V, 50 Hz | ||||||||||||||||
| 3 x 230 / 400 V, 50 Hz | ||||||||||||||||
| Control | Two position On-Off | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ||||||
| Three position | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | |||||||
| Continuous | ||||||||||||||||
| PROFIBUS | ||||||||||||||||
| Position sensing | Resistance transmitter (R) | |||||||||||||||
| Absolute | ||||||||||||||||
| Current transmitter (I) | ||||||||||||||||
| Position interrupt | ||||||||||||||||
| Torque-initated interrupt | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | |||||||
| Manual actuation | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | |||||||
| Explosion-proof design | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | |||||||
| Type of enclosure | ||||||||||||||||
| Weight - depending on design (Al/cast iron) and on motor [kg] | IP 55 | IP 55 | IP 55 | IP 55 | IP 55 | IP 55 | IP 55 | IP 55 | IP 67 | |||||||
| 45-55 | 75-94 | 94-108 | 152-212 | 30-34 | 64 | 64 | 93-111 | 19,4-21,6 | ||||||||
Usage
The electric rotary multi-revolution actuators MODACT® MOA OC are designed for remote control of special valves installed in hermetic boxes or under the containment of nuclear power plants with reactors VVER or RBMK. The actuators MODACT® MOA OC are intended for safety circuits as well as for normal use.