In order to encompass a wide range of applications and pump performance needs Zoeller has a lot of Pump model prefixes, these can be found on the product pages of all of our pumps. Below is a quick reference to some of the most common prefixes with definitions that you will see on our site. To see the full list of prefixes see the information sheet NV0052 to learn more.
- M – Pump with 115V, 60 Hz, 1 Ph motor and automatic control switch
- N – Pump with 115V, 60 Hz, 1 Ph motor without control switch
- BN – Pump with 115V, 60 Hz, 1 Ph motor with single piggyback float switch
- D – Pump with 230V, 60 Hz, 1 Ph motor with automatic control switch
- E – Pump with 230V, 60 Hz, 1 Ph motor without control switch
- G – Pump with 460V, 60 Hz, 3 Ph motor without control switch
- EI – Pump with 200-230V, 60 Hz, 1 Ph motor without control switch
- WDH – Pump with 200-230V, 60 Hz, 1 Ph motor and factory wired-in float switch
50 & 90 Series Identification Tag
130, 140, 160, 180, 200, 400 & 800 Series Identification Tags
- Prefix letter indicates the operation, voltage, phase and hertz. If an “X” follows the prefix letter, it indicates an explosion proof pump.
- Designates pump model.
- Designates revisions to pump. The revision letter is required for ordering service parts.
- P/N – part number. Identifies all of the pump features. Required for ordering service parts.
- Identifies the month the pump was manufactured (MFG).
- Identifies the year the pump was manufactured (MFG).
- Signifies special construction features. Consult factory for ordering service parts.
- Voltage required for operation of the pump.
- Full load amperage of motor.
- Horsepower rating of pump motor.
- Current phase of motor. Single or three phase.
- Current frequency of motor. 50Hz or 60Hz.
- Revolutions per minute of motor.
- Canadian Standards Association certification file number.
- Motor overload protection included with pump. Indicated on switch case on 50 & 90
series pumps.
