EMU RZP 50-3.50-2/22 S17

Unit

• Max. weight* m
  165 kg
• Explosion protection ATEX
  optional
• Explosion protection FM
  optional
• Protection class motor
  IP68

Propeller

• Propeller model
  3-blade propeller with self-cleaning hub; backward-curved as a result clogging- and entwining-free
• Nominal propeller diameter Dnom
  480 mm
• Propeller speed n
  500 1/min
• Transmission ratio
  5.875

Filling quantities and types

• Filling prechamber
  Gear oil CLP220
• Filling volume prechamber V
  1.20 l
• Filling gear chamber
  Gear oil CLP220
• Fill volume gear chamber V
  0.50 l
• Filling sealing chamber
  White oil
• Fill volume sealing chamber V
  1.10 l

Motor/electronics

• Motor type
  T 17-2/22R (Ex)
• Motor design
  Submersible motor acc. IEC 60034-1
• Mains connection
  3~400 V, 50 Hz
• Rated current I_N
  20.50 A
• Starting current - direct I_A
  171 A
• Starting current - star-delta I_A
  57 A
• Power consumption P_{1 max}
  12300.00 W
• Rated power P₂
  10500.00 W
• Speed original n
  2914 rpm
• Motor efficiency class
  -
• Efficiency η_M
  86.0
• Power factor cos φ
  0.87
• Min. fluid temperature T_min
  3 °C
• Max. fluid temperature T_max
  40 °C
• Max. immersion depth
  20.00 m
• Insulation class
  H
• Max. switching frequency t
  15 1/h
• min. switching break t
  3 min
• Starting torque M
  76 Nm
• Moment of inertia
  0.01160 kg/m²
• Motor bearings
  1 grooved ball bearing, 1 two-row inclined ball bearing

Materials

• Motor housing
  EN-GJL-250
• Static gaskets
  FKM
• Motor shaft
  1.4021, X20Cr13
• Seal, gear/sealing chamber
  SiC/SiC, Q1Q1VGG
• Gear housing
  5.1301, EN-GJL-250
• Planetary gear
  1.7131, 16MnCr5
• Hollow gear
  1.5216, 17MnV6
• Sun gear
  1.7131, 16MnCr5
• Output shaft
  1.4462, X2CrNiMoN22-5-3
• Seal, gear chamber/prechamber
  FKM
• Sealing chamber
  5.1301, EN-GJL-250
• Seal bushing
  1.4571, X6CrNiMoTi17-12-2
• Propeller
  1.4571, X6CrNiMoTi17-12-2
• Flow housing
  1.4571, X6CrNiMoTi17-12-2

Gear

• Gear construction type
  m 2.0 as per DIN 780-1:1977-05 /P10 (ISO54:1996-12); sun and planetary gears case hardened and sanded, internal gear butt-jointed
• Gear bearings
  Three needle roller bearing (planetary), one two-row inclined ball bearing and one grooved ball bearing (output shaft)
• Service life L_h10
  100,000 operating hours, ISO 281:2007-02