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High Head Explosion Proof
X280 Series

Explosion-proof submersible sewage or dewatering pumps.

 
 
Features andBenefits
ProductSpecifications
TechnicalData
Literature and Documents

  • FM listed motor for Class I, Division 1, Group C & D environments
  • Automatic or nonautomatic. Automatic units Patent No. 8,535,014
  • Non-clogging, cast iron, vortex impeller design
  • Stainless steel rotor shaft
  • Durable, cast construction. Cast iron cover, motor adapter and pump housing. No sheet metal parts to rust or corrode. All cast iron class 30, 30000# tensile strength.
  • Stainless steel bolts, handle, guard and float rod guide, switch arm and actuator assembly
  • Brass float and float rod (automatic only)
  • 20' (6 m), UL listed, 5-wire (1 Ph) or 8-wire (3 Ph) neoprene cord. Extra cord lengths available in 25', 35' and 50' (8 m, 11 m and 15 m) lengths only. Sensor leads & power leads in one cord for easy installation.
  • Threaded conduit connection for protecting cords in extra heavy duty applications: 1-1/2" NPT.
  • Moisture sensors pre-wired in motor housing (functionality requires indicator circuit in panel)
  • Zoeller control panel with intrinsically-safe relays and moisture indicator is required with nonautomatic units.
  • Simplex seal-fail panel #10-1031 available for automatic units.
  • 3 Ph models available as nonautomatic only.
  • Motor: 1750 RPM, oil-filled, hermetically-sealed, automatic reset thermal overload protected (3 Ph requires circuit in control panel)
  • Maximum temperature for sewage or dewatering: 104° F (40° C)
  • Shaft Seal: stainless steel wetted parts, carbon and ceramic rotary face seal
  • Upper ball bearing and lower ball bearing running in bath of oil
  • Neoprene square ring seals used throughout
  • All models pass 2” (50 mm) spherical solids
  • Major width: 13-5/16" (33.8 cm)
  • Major height: 23-17/32" (59.8 cm) (nonauto), 24-15/16" (63.3 cm)  (auto)
  • On point: 19-3/4" (50.2 cm); Off point: 10" (25.2 cm) for automatic model
  • When ordering, specify 2” or 3” NPT female flanged vertical discharge
  • 100% computerized testing and 100% tested submerged in water
  • Corrosion-resistant, powder coated epoxy finish
Notes

Product may not be exactly as pictured.

Note: The sizing of effluent systems normally requires variable level float(s) controls and properly sized basins to achieve required pumping cycles or dosing timers with non-automatic pumps.
Use optional model 10-1031 seal failure panel to enable moisture sensor circuit on automatic pump models.


Reserve powered design.

For unusual conditions a reserve safety factor is engineered into the design of every Zoeller pump.

*See charts for FM listings.

HERTZ
60 Hz
MOTOR
1/2 -1 HP
VOLTAGE
115 - 575 V
PHASE
1 or 3 Ph
RPM
1750 RPM
TYPE
Permanent split capacitor or 3 phase
INSULATION
Class B
AMPS
1.4 - 10.3 Amps
OPERATION
Automatic or nonautomatic
AUTO ON/ OFF POINTS
19-3/4" / 10" (50.2 cm / 25.4 cm)
DISCHARGE SIZE
2" or 3" NPT flange
SOLIDS HANDLING
2" (50 mm) spherical solids
CORD LENGTH
20' (6 m) standard
CORD TYPE
UL listed, 5-wire (1 Ph) or 8-wire (3 Ph) SOOW cord
MAX HEAD
35' (10.7 m)
MAX FLOW RATE
179 GPM (678 LPM)
MAX OPERATING TEMP
104° F (40° C)
COOLING
Oil filled
MOTOR PROTECTION
Auto reset thermal overload (1 Ph) or thermal sensor (3 Ph)
CAP
Cast iron
MOTOR HOUSING
Cast iron
PUMP HOUSING
Cast iron
BASE
Cast iron
UPPER BEARING
Ball bearing
LOWER BEARING
Ball bearing
MECHANICAL SEALS
Carbon and ceramic with stainless steel parts
IMPELLER TYPE
Non-clogging vortex
IMPELLER
Cast iron
HARDWARE
Stainless steel or brass
MOTOR SHAFT
416 stainless steel
  • 54
  • 3
  • 4
  • 8
  • 11
  • 59

Warning

NOT FOR USE IN ACIDIC, METHANOL, OR ETHYL ACETATE ATMOSPHERES.

Caution

All installation of controls, protection devices and wiring should be done by a qualified licensed electrician. All electrical and safety codes should be followed including the most recent National Electric Code (NEC) and the Occupational Safety and Health Act (OSHA).

Selection Guide

  1. See FM1705 for correct intrinsically-safe simplex or duplex panel.
  2. Variable level control switch 10-0225 used as a control activator, with electrical alternator duplex (3) or (4) float system.
  3. Integral float operated mechanical switch. No external control required. Seal failure indicator panel (10-1031) required for moisture sensors.

Accessories

 

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