3YSM 3" Class F Insulation Single-phase Rewindable Borehole Submersible Motor for Domestic Use

Minimum well diameter : 3"
Oil chamber : Cast-iron or Cu
Speed : 2850rpm
Insulation class : F
Protection grade : IP 68

PREV：8SP77 8" Large Water Outlet Mass Discharge Three -phase Borehole Submersible Pump with 304SS Impeller
NEXT：4YS 4" High Temperature Power Off Fuction Mechanical Seal Borehole Submersible Motor

Description
Components
Curves
Performance Data
Contact Us

Description :

Designed with utmost precision and engineering excellence, the 3YSM 3" Class F Insulation Single-phase Rewindable Motor Borehole Submersible Motor is a remarkable addition to our range of high-quality motors. This motor is specifically crafted to meet the demands of borehole submersible applications, ensuring reliable and efficient performance.

Applications :

Provides water supply from wells or reservoirs for various use cases.

Caters to domestic, civil, and industrial applications with stable performance.

Supports garden maintenance and agricultural irrigation operations efficiently.

Key Features :

1、One of the standout features of this motor is its Class F insulation, which guarantees exceptional thermal resistance and insulation properties. This ensures that the motor can withstand high temperatures and operate smoothly even in challenging environments. With this motor, you can have peace of mind knowing that it will deliver consistent performance, regardless of the conditions.
2、The 3YSM 3" Class F Insulation Single-phase Rewindable Motor Borehole Submersible Motor is also designed for easy maintenance and repair.
3、Its rewindable feature allows for convenient access to the winding, making it easier to carry out any necessary repairs or replacements. This ensures minimal downtime and reduces the overall cost of ownership.
4、This motor boasts a compact design, making it suitable for installation in narrow boreholes. Its 3" size allows for seamless integration into various applications, without compromising on performance or efficiency. Whether you need to pump water from deep wells or irrigate agricultural fields, this motor is built to deliver optimal results.

Operating Conditions :

Speed : 2850rpm
Insulation class : F
Protection grade:IP 68
Maximum fluid temperature up to +35℃
Minimum well diameter : 3"

Motor and Pump :

Rewindable motor
Single-phase : 220-240V/50Hz
Equip with start control box or digital auto-control box

Options on request :

Special mechanical seal
Other voltages or frequency 60Hz
Single phase motor with inside capaciter

Warranty : 2 years

(according to our general sales conditions)

CE Certificate :

Components and Material :

Components	Material
Motor external casing	Stainless Steel
Oil chamber	①Cast-Cu ASTM C85500
Oil chamber	②Cast-iron ASTM N0.30
Bottom support	AISI 304 SS
Mechanical seal	Special seal for deep well(Graphite-Ceramic)
Shaft	AISI 304 SS-ASTM5140
Seal lubricant oil	Oil for food machinery and pharmaceutic use.

Technical Data :

MODEL	P₂		DELIVERY n≈2850r/min
MODEL	KW	HP	Voltage (v)	Ph	In (A)	cosφ	η (%)	L (mm)	Weight (kg)
3YSM180	0.18	0.25	270-240V	1	2.1	0.93	52	333	4
3YSM250	0.25	0.33			2.5	0.93	55	353	4.5
3YSM370	0.37	0.5			3.3	0.93	57	383	5.3
3YSM550	0.55	0.75			4.5	0.93	60	423	6.4
3YSM750	0.75	1			6	0.93	63	463	7.6
3YSM920	0.92	1.25			7	0.93	64.5	503	8.8
3YSM1100	1.1	1.5			7.8	0.93	66	538	9.7
3YSM1500	1.5	2			10	0.93	68	588	11.1

About Us

Taizhou Edwin Electric Co., Ltd.

EDWIN PUMP is an OEM/ODM 3YSM 3" Class F Insulation Single-phase Rewindable Borehole Submersible Motor for Domestic Use Company and Wholesale 3YSM 3" Class F Insulation Single-phase Rewindable Borehole Submersible Motor for Domestic Use Supplier, which supply a wide range of water pumps and water treatment peripheral products to customers around the world.
With these advanced facilities & instruments, we can supply the most precise finished products to our customers, and make products meet their overall inspection requirements on chemical composition, mechanical properties, non-destructive testing, and high accurate dimensional inspections.

Certificate Of Honor

News

Can Oil Filled Borehole Pumps Detect Dry Running
2026-06-12
Deep-well pumping systems operate under conditions where direct observation is impossible, which makes fault diagnosis h...
READ MORE
Why Is Your Intelligent Pump Self-Adjusting
2026-06-05
Modern hydronic systems increasingly rely on adaptive control logic instead of fixed-speed operation. An Intellige...
READ MORE
Why Is a Borehole Pump Used in Agricultural and Industrial Projects?
2026-05-25
Access to groundwater has become an important part of water supply planning in both rural and industrial environments. A...
READ MORE