Over torque protection small packaged explosion proof electric actuator
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Over torque protection small packaged explosion proof electric actuator
| Type | DCL-Ex20 | |||
| DC24V | AC110V | AC380V | AC220V | |
| Motor Power | 25W | 40W | 30W | 40W |
| Rated Current | 3.12A | 0.63A | 0.19A | 0.35A |
| Standard Time/Torque | 60S/200Nm | 30S/200Nm | ||
| Optional Time/Torque | 30S/100Nm | 15S/100Nm | 15S/100Nm 60S/200Nm | |
| Turning Angle | 0～900 Adjustable | |||
| Available Control Circuit | Type of A、B、C、D、E、F、G、H、 | |||
| Total Weight | 5.5kg | |||
| Insulating Resistance | 100MΩ/250VDC | 100MΩ/500VDC | ||
| Withstand Voltage Class | DC24V: 500VAC 1 minute、AC110V/AC220V: 1500VAC 1 minute、AC380V: 1800VAC 1 minute | |||
| Protection Class | IP67 | |||
| Expiosive-proof grade | ExⅡBT4Gb | |||
| Installation Angle | 3600 at any angle | |||
| Electric Interface | 2-M20×1.5explosion-proof plug,clients should install corresponding explosion-proof cable connector when using according to the cable selected. | |||
| Ambient Temperature | ’-20～+60℃ | |||
| Optional Function | Over-torque Protector/Heater | |||
Features
1. Quarter turn operation with mechanical limits
2. Heavy duty motor with thermal overload protection
3. Rugged IP68/NEMA 4X aluminum alloy housing with powder coating
4. Explosion proof grade ExdIIBT4 for Zone system and Group C, D T4 for Division system
5. Over torque protection is available
6. Anti-condensation heater is optional
7. Standard ISO5211 direct installation
8. Manual override with Allen wrench or handwheel
9. CSA certification in process
Description
DCL explosion proof electric actuator can add over torque protection function inside cavity. Disc spring made in Germany with very long life span and very small deformation with frequently presses, are used to keep the over torque value set to be stable and no drift after long time operation.
Actuator can be used for over 90% explosive gas environment except for colliery. Motors and electronics are fire treated. The machining precise of the connection surface are strictly controlled and inspected from supplier to ensure the flameproof gap is small enough to block spark inside actuator. Aluminum housing is hard die casted with larger tonnage than common series electric actuator to be more dense and can suffer much larger explosive pressure.
CSA tests per UL and CSA standard, both for Zone system and Division system, are in process and CSA certification is estimated to be obtained in Q3 2020.
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