Berger Lahr Stepper Motors

Explosion Proof Stepper Motors

For operation in potentially explosive areas, Berger Lahr offers 3-phase explosion proof stepper motors ExRDM 3910 and ExRDM 3913.The motors have protection type EEx d IIC T4. Other features include: • Ex-protection as per European standards EN 50014 and EN 50018• Registration as per UL 2279 or ATEX 94/9/EG(EC-type test certification PTB 02 ATEX 1134)• Device group II• Explosion group C• Type of protection pressure-resistant encapsulation "d"• Temperature class "T4" (135°C)• Use in potentially explosive atmospheres of zones 1 and 2,device category 2G• Tested thermistor monitoring devices are required for temperature monitoring.