The Grundfos MTRE 3 Variable-Speed Immersible Coolant Pump (MTRE 3) is part of the Grundfos MTRE range, engineered in 304 stainless with E-motor. Drive: Integrated MLE permanent-magnet IE5 motor with VFD. Used in Variable-flow coolant delivery and similar applications.
Specifications
| Construction | 304 stainless with E-motor |
| Motor | Integrated MLE permanent-magnet IE5 motor with VFD |
| Brand | Grundfos |
| Model | MTRE 3 |
| Country of Origin | Denmark / USA (varies by model) |
Materials of Construction
304 stainless wetted parts; integrated MLE E-motor
Typical Applications
- Variable-flow coolant delivery
- high-pressure through-spindle coolant
- filter back-wash with proportional control
Datasheets & Manuals
Industries & Applications
The Grundfos MTRE 3 is widely deployed across these industries and use cases:
- High-pressure through-spindle coolant (tsc)
- Variable-flow coolant for multi-spindle machines
- Precision flow control for grinding operations
Related & Compare
Frequently Asked Questions
- What materials of construction are available for the MTRE 3?
- 304 stainless wetted parts; integrated MLE E-motor
- What applications is the Grundfos MTRE 3 suitable for?
- Variable-flow coolant delivery, high-pressure through-spindle coolant, filter back-wash with proportional control
- Is the Grundfos MTRE 3 available with stock or quick-ship lead times?
- Many configurations ship from stock through Grundfos USA. Contact ForeverPure Place for current lead time on your specific configuration.
- How do I get a quote for the Grundfos MTRE 3?
- Use the Request Quote button on this page, call our sales team, or email sales@foreverpureplace.com with model, voltage, materials, seal type and quantity.
Need help selecting the right MTRE 3 configuration, NEMA motor, materials or seal type? Contact our pump engineering team for sizing assistance, pricing and lead times.
Accessories for This Pump
Commonly specified alongside Grundfos E-pumps. Send us your pump nameplate and we will confirm the correct part for your exact build and voltage before you order.
- RPI Inlet Pressure Sensor
Inlet pressure protection with low-suction shutdown. 
VFS Flow & Temperature Sensor
Flow and temperature feedback to the pump’s onboard controller.- RPS Pressure Sensor
Discharge pressure feedback for constant-pressure booster control.
Building-automation connectivity
This pump accepts a Grundfos CIM interface card (or an external CIU box) to report to a BMS or PLC. All eight are the same card with a different protocol — choose the one your building system speaks:
CIM/CIU 100 GENIbus · CIM/CIU 150 PROFIBUS DP · CIM/CIU 200 Modbus RTU · CIM/CIU 250 Modbus TCP · CIM/CIU 300 BACnet MS/TP · CIM/CIU 500 EtherNet/IP · CIM/CIU GRM · CIM/CIU LonWorks