KSB Etaline - Page 18

4 Description of the Pump (Set)
18 of 64
Etaline
Impeller type
▪ Closed radial impeller with multiply curved vanes
Shaft seal
▪ Single mechanical seals to EN 12756
▪ Shaft equipped with a replaceable shaft sleeve in the shaft seal area
Bearings
▪ Radial ball bearing in the motor housing
▪ Grease lubrication
Drive
▪ Efficiency classIE3
Standard design:
▪ KSB surface-cooled IEC frame three-phase current squirrel-cage motor
▪ 50 Hz winding, 220-240 V/380-420 V ≤ 2.20 kW
▪ 50 Hz winding, 380-420 V/660-725 V ≥ 3.00 kW
▪ 60 Hz winding, 440-480 V ≤ 2.60 kW
▪ 60 Hz winding, 440-480 V ≥ 3.60 kW
▪ Type of construction IMV1 ≤ 4.00kW
▪ Type of construction IMV1 ≥ 5.50kW
▪ IP55 enclosure
▪ Duty cycle: continuous duty S1
▪ Thermal class F with temperature sensor, 3 PTC thermistors
Explosion-proof version:
▪ KSB surface-cooled IEC frame three-phase current squirrel-cage motor
▪ 50 Hz winding, 220-240 V/380-420 V ≤ 1.85 kW
▪ 50 Hz winding, 380-420 V/660-725 V ≥ 2.50 kW
▪ Type of construction IMV1 ≤ 3.30kW
▪ Type of construction IMV15 ≥ 4.60kW
▪ Enclosure IP55 or IP54
▪ Duty cycle: continuous duty S1
▪ Type of protection EExe ll
▪ Temperature class T3