Siemens 3UF7112-1AA01-0 Current Voltage Measuring Module

Siemens 3UF7112-1AA01-0 is a high-precision Current/Voltage Measuring Module belonging to the SIMOCODE pro V2 series, part of the broader SIRIUS industrial control product family. This module serves as an essential component for comprehensive motor management systems, enabling accurate monitoring of electrical parameters for three-phase motors and industrial equipment .

As a V2 generation module, it represents the current active product version (PM300 lifecycle status) and serves as the successor to the discontinued 3UF7112-1AA00-0 model . Designed for seamless integration with SIMOCODE pro V basic units, this module transforms standard motor starters into intelligent, communicable motor management solutions .

Key Technical Specifications

Electrical Ratings

Parameter Specification

Current Setting Range 10 ... 115 A 

Voltage Measurement Up to 690 V AC (line-to-line) 

Frequency Range 50/60 Hz 

Measurement Principle True RMS (TRMS) value measurement 

Physical Characteristics

Parameter Specification

Overall Width 55 mm 

Dimensions (H x W x D) 94.1 x 55 x 91.1 mm 

Net Weight 0.348 kg 

Enclosure Protection IP20 

Mounting Type Screw and snap-on mounting 

Connection Type

Main Circuit: Straight-through transformer (feed-through technique) 

Auxiliary/Control Circuit: Screw-type terminals 

Conductor Cross-section: 0.25 ... 2.5 mm² (solid), 0.25 ... 1.0 mm² (finely stranded with ferrule) 

Functional Capabilities

Measurement Functions

The 3UF7112-1AA01-0 provides comprehensive electrical parameter monitoring :

Current measurement (TRMS)

Voltage measurement (TRMS)

Active power measurement

Energy measurement

Frequency measurement

Power factor (cos φ) monitoring

Apparent power measurement

Ground fault monitoring

Measurement Accuracy

Precision specifications at reference temperature 25°C :

Parameter Accuracy

Current (0.25 ... 8 A) ±1.5%

Current (8 ... 32 A) ±3%

Voltage ±1.5%

Power Factor (0.25 ... 8 A) ±1.5%

Active Power (0.25 ... 8 A) ±5%

Ground Fault Monitoring ±10% (within 30-120% range)

Temperature Stability

Temperature drift: 0.02% per °C (reference 25°C)