Siemens 7KM3220-1BA01-1EA0 SENTRON PAC3220 Power Monitoring Device

Overview

PANEL POWER MONITOR

7KM3220-1BA01-1EA0 SENTRON PAC3220 Power Monitoring Device

Panel-mounted SENTRON PAC3220 meter with graphical LCD, Modbus TCP and transformer-based current measurement.

At a Glance

Brand	Siemens
Model	7KM3220-1BA01-1EA0
Product Type	Power monitoring device
Core Function	Modbus TCP
Compatible Series	SENTRON PAC3220

Electrical measurement

Monitors voltage and current values for a stationary electrical panel.

Network access

Modbus TCP provides the specified Ethernet communication protocol.

Panel display

Graphical LCD presents measured values at the cabinet front.

Product Overview

7KM3220-1BA01-1EA0 is a SENTRON PAC3220 panel instrument for measurement of electrical variables in stationary indoor panels. Siemens specifies a graphical LCD and Modbus TCP communication.

Select the auxiliary DC supply, voltage measurement circuit and 1 A or 5 A current-transformer secondary to match the installed electrical system.

Ordering focus: Panel measurement of electrical variables with Modbus TCP data access.

Key Functions

Voltage measurement

The instrument measures electrical voltage within its stated rated input arrangement.

Current measurement

Connect the specified X/1 A or X/5 A AC current-transformer secondary.

Modbus TCP communication

Integrate measured values through the specified Modbus TCP protocol.

Official Specifications

Product family	SENTRON PAC3220
Device design	Control-panel multimeter
Display	Graphical LCD
Front format	96 × 96 mm
Display width	72 mm
Display background	White
Communication protocol	Modbus TCP
Rated measuring voltage	690/400 V
Measuring frequency	45–65 Hz
Rated current input	X/1 A or X/5 A AC
Auxiliary supply	24–60 V DC, −20%/+10%
Connection	Screw terminals
Installation	Stationary panels in closed rooms
Voltage measurement	Supported
Current measurement	Supported

Official source:Siemens Siemens technical data sheet.

Frequently Asked Questions

What does 7KM3220-1BA01-1EA0 measure?

The SENTRON PAC3220 monitors electrical variables including voltage and current.

Which communication protocol is built into 7KM3220-1BA01-1EA0?

Modbus TCP is built into the meter.

What current transformers suit 7KM3220-1BA01-1EA0?

Use an X/1 A or X/5 A AC secondary that matches the configured meter input.

What auxiliary supply does 7KM3220-1BA01-1EA0 need?

Provide a 24–60 V DC auxiliary circuit within a −20% to +10% operating tolerance.

Which measuring voltage and frequency range should I use with 7KM3220-1BA01-1EA0?

The rated measuring voltage is 690/400 V at 45–65 Hz.

Where should 7KM3220-1BA01-1EA0 be installed?

Install it in a stationary control panel in a closed room.

How is 7KM3220-1BA01-1EA0 terminated?

Use screw terminals and verify the wiring against the meter's terminal assignment.

Compatibility & Ordering Notes

Before ordering 7KM3220-1BA01-1EA0: Match the voltage circuit, CT secondary, auxiliary DC supply, panel cutout and Modbus TCP network settings to the existing installation.

Before ordering and wiring

• Confirm the PAC3220 part number and 96 × 96 mm panel arrangement.
• Match the X/1 A or X/5 A CT secondary to meter setup.
• Verify the 24–60 V DC auxiliary supply tolerance.
• Plan Modbus TCP addressing and the screw-terminal wiring.

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