Name: Barmesa 3KTM503 Submersible Dewatering Pump 5.0 HP 230V 3 Phase 50' Cord Manual 60HZ Three Phase Cast Iron Stainless Steel IP68 Rating Enclosure 104°F 40°C Dewatering Use Water Use
Brand: Barmesa
SKU: 3KTM503
Price: 3164.48 USD
Availability: InStock

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Barmesa 3KTM503 Submersible Dewatering Pump 5.0 HP 230V 3 Phase 50' Cord Manual 60HZ Three Phase Cast Iron Stainless Steel IP68 Rating Enclosure 104°F 40°C Dewatering Use Water Use

Barmesa Pumps — Miami, Florida · Industrial Pump Specialists

Model 3KTM503 · 3KTM503 / 504 series · Submersible Dewatering Pumps

5.0 HP3-Phase Power230V3450 RPM50 ft CordSilicon Carbide SealIP68

The Barmesa 3KTM503 is a 5.0 HP, 3-Phase, 230V submersible dewatering pump. Efficiently draining water from flooded areas, construction sites, and underground spaces , these pumps are common in industrial, municipal, and commercial settings to maintain dry and safe environments by preventing water damage and facilitating drainage. They are crucial for de 3" vertical for hose coupling. Cast iron ASTM 48 class 30.

Horsepower

5.0 HP

Phase

3-Phase

Voltage

230V

Speed

3450 RPM

Discharge

3" vertical for hose coupling. Cast iron

Max Temperature

104 °F (40 °C) UPPER COVER Cast iron AST

Submersible Dewatering

High-chrome alloy impeller passes abrasive solids — built for construction sites, mines, and flood control

Silicon Carbide Seal

SiC-SiC and carbon-SiC seal faces in oil-filled chamber — superior abrasion resistance for extended service in demanding fluids

3-Phase Industrial Motor

Three-phase induction motor with Class F insulation and IP68 protection for continuous industrial submersible duty

Expert Support

Technical help available — call (781) 281-8905 or chat for sizing and compatibility

Why This Product

Submersible Dewatering — High Volume, Fast Deployment

Designed for high-volume water removal in construction sites, mines, excavations, and flood control. Semi-open high-chrome alloy impeller passes small solids and debris that would block standard centrifugal impellers.

High-Chrome Alloy Impeller — Abrasion Resistant

High-chrome alloy (HCr) impeller resists abrasive wear from sand, grit, and suspended solids in dirty water dewatering. HCr impellers last significantly longer than standard cast iron in abrasive conditions.

Double Mechanical Seal — Extended Service Life

Double mechanical seal in an oil-filled chamber protects both seal faces from abrasive fluid contamination. SiC-SiC and carbon-SiC seal face combinations provide superior wear resistance in dirty water applications.

IP68 Motor Protection — Continuous Submersible Duty

IP68-rated motor protection provides complete protection against water ingress for continuous submerged operation. Class F insulation handles elevated winding temperatures from demanding duty cycles.

Stainless Steel Shaft — Corrosion Resistance

420 AISI stainless steel shaft resists corrosion at the seal interface — the most common failure point on dewatering pumps operating in aggressive soil drainage and construction site environments.

Barmesa Pumps — Miami, Florida

Barmesa Pumps is a leading North American pump manufacturer based in Miami, Florida — serving industrial, municipal, and commercial markets with a full line of submersible and centrifugal pumps.

Technical Specifications

Model Number	3KTM503
Series	3KTM503 / 504 series
Category	Submersible Dewatering Pumps
Horsepower	5.0 HP
Phase	3-Phase
Voltage	230V
Speed	3450 RPM
Discharge	3" vertical for hose coupling. Cast iron ASTM 48 class 30.
Max Liquid Temperature	104 °F (40 °C) UPPER COVER Cast iron ASTM A-48 class 30 PUMP BODY Cast iron ASTM A-48 class 30
Motor	Three phase induction motor, 230 & 460 volts, 60 Hz, 3450 RPM. Insulation class F and IP68 protection class.
Impeller	Design: semi-open Material: high chrome alloy INLET PLATE Ductile iron
Shaft	420 AISI stainless steel
Mechanical Seal	Design: double mechanical, oil filled chamber. Material: SiC-SiC / carbon-SiC. Stainless steel hardware.
Motor Housing	Cast iron ASTM A-48 class 30
O-Rings	A- Nitrile rubber (NBR)
Hardware	304 series stainless steel
Paint / Finish	Air dry enamel, water based.
Cord Entry	50 ft of neoprene cord, sealed against moisture.

Key Features

Discharge: 3" vertical for hose coupling. Cast iron ASTM A-48 Class 30.

RPM: 3450

Impeller: semi-open type, high chrome alloy.

Shaft: 420 AISI stainless steel

Motor: three-phase induction motor, 230 & 460 V, 60 Hz, 3450 RPM. Insulation Class F and IP68 protec

All Models — 3KTM503 / 504 series

Model	Part#	HP	Volts	Phase	Amps	Weight
3KTM503	70090237	5 HP	230V	3-Ph	3450A	139 lbs
3KTM504	70090238	5 HP	460V	3-Ph	3450A	139 lbs

★ Highlighted = this product. All models share casing dimensions and spare parts.

⚠ Important Safety Notices

Never use this pump to handle explosive liquids.
This pump is not approved to be used in swimming pools, recreational installations or any application where
Testing is performed with water specific gravity of 1.0 @ 68 °F (20 °C); other fluids may vary performance.

Important Notices

Fluid compatibility	For use with clean water and non-explosive liquids compatible with pump materials. Never use with explosive, flammable, or corrosive fluids unless specifically rated.
Swimming pools	Not approved for use in swimming pools, recreational installations, or any application where human contact is common.
Temperature	Do not exceed maximum liquid temperature rating (104 °F (40 °C) UPPER COVER Cast iron ASTM A-48 class 30 PUMP BODY Cast iron ASTM A-48 class 30). Exceeding limits causes seal and motor damage.
Electrical	Requires properly sized, grounded branch circuit with correctly rated motor starter and thermal overload protection.

Available Documentation

✓ Data Sheet — 3KTM503 / 504 series

✓ User Manual — 3KTM503 / 504 series

Need the data sheet or user manual? Contact PumpStop and we'll send it over.

Before You OrderConfirm HP, voltage, and phase are correct for your installation. All models in the 3KTM503 / 504 series share casing dimensions and spare parts. For sizing guidance, chat or call (781) 281-8905.

Barmesa 3KTM503 Submersible Dewatering Pump 5.0 HP 230V 3 Phase 50' Cord Manual 60HZ Three Phase Cast Iron Stainless Steel IP68 Rating Enclosure 104°F 40°C Dewatering Use Water Use

Description

Submersible Dewatering — High Volume, Fast Deployment

High-Chrome Alloy Impeller — Abrasion Resistant

Double Mechanical Seal — Extended Service Life

IP68 Motor Protection — Continuous Submersible Duty

Stainless Steel Shaft — Corrosion Resistance

Barmesa Pumps — Miami, Florida

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