Siemens 7KT5811 Single-Phase Energy Meter, kWh, 230V, 32A, Pulse Output, DIN Rail

Monitor active energy consumption in residential and commercial sub-distribution boards with the Siemens 7KT5811. This compact single-phase meter is ideal for electricians and facility managers who need reliable kWh metering for tenant billing or energy management. It connects directly to a 230V circuit up to 32A and provides a pulse output for integration with building automation systems.

Key specifications

• Measurement function: Active energy
• Measurement unit: kWh
• Phase type: Single-phase
• Rated voltage: 230 V AC
• Maximum current: 32 A
• Base current: 5 A
• Frequency: 50/60 Hz
• Accuracy class: Class B (EN 50470-3)
• Display: LCD, 6+1 digits, with backlight
• Mounting: DIN rail, 1 module width (18 mm)
• Pulse output: S0, 1000 imp/kWh
• Operating temperature: -25 to +55 °C
• Protection class: IP20
• MID compliant: Yes (2014/32/EU)
• Tariff support: Single tariff

Why choose it

The 7KT5811 offers Class B accuracy for precise energy billing and a pulse output for remote reading. Its slim 1-module design saves space in distribution boards, and the backlit LCD ensures readability in low light. Direct connection up to 32A eliminates the need for external current transformers in most residential applications.

Ideal use cases

• Sub-metering in apartment buildings
• Energy monitoring in small commercial units
• Integration with building management systems via S0 pulse
• Retrofit installations where space is limited

Good to know

The meter is MID certified for billing purposes in the EU. It operates on a single tariff and requires direct connection to the circuit. The pulse output provides 1000 impulses per kWh, compatible with most energy data loggers.