The DUNGS DMA actuator drives CCW from 0° to 90° via a 4 - 20 mA input signal. The DMA is available in three different fixed speeds: 6, 12, and 30 seconds. The DMA has one independent, field adjustable auxiliary SPDT switch and two field adjustable end of travel switches. 4-20 mA feedback can be used to drive a slave motor (3 actuators maximum) in parallel. Maximum stroke (Y Max; span) is adjustable from 25Ý to 90Ý, and minimum stroke (Y min; zero) is adjustable from 0Ý to 75% of set span.
Application:
When mounted on the DUNGS DMK butterfly control valve, the DMA is used to automatically modulate the amount of natural gas, butane, propane and/or air supplied to a gas burning piece of equipment.
| Electrical Ratings | 110-120 VAC 50-60 Hz |
|---|---|
| Power Rating | Holding: max. 2.0 VA; Operation: max. 5.4 VA |
| Enclosure Rating: | NEMA Type 1 (NEMA Type 4 with optional cover D240456) |
| Electrical Connection | Screw terminals with 1/2" NPT conduit connection |
| Ambient Temperature Rating | -15F to +120F (-10C to 50C) |
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