Sensors & Switches

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AC Current Transformers - Product Catalog

Sensors & Switches

Advanced monitoring and control solutions for optimal indoor climate management

Siemens Sensors

Siemens Sensors

Precision environmental monitoring for healthy indoor climates

Key Advantages

  • Rapid and accurate readings
  • Energy-efficient control
  • Quick installation
  • Immediate ROI

Technical Excellence

  • Decades of installation expertise
  • Cost-efficient operation
  • Optimal data transmission
  • Productive climate control

APPLICATIONS

INDUSTRIAL & COMMERCIAL APPLICATIONS

Siemens sensors are engineered for superior performance across diverse environments:

  • Commercial Buildings - Office complexes, shopping malls, and retail spaces for optimal HVAC control
  • Healthcare Facilities - Hospitals and clinics requiring precise environmental monitoring
  • Educational Institutions - Schools and universities for healthy learning environments
  • Industrial Facilities - Manufacturing plants and warehouses for climate control
  • Data Centers - Critical environment monitoring for server rooms
  • Hospitality Sector - Hotels and resorts for guest comfort management
  • Laboratories - Research facilities requiring precise environmental conditions
  • Public Buildings - Museums, libraries, and government buildings
  • Pharmaceutical Industry - Clean rooms and production areas
  • Food Processing - Storage and processing area climate control

FINE DUST SENSORS

QSM2100 Fine Dust Duct Sensor

QSM2100

Multi-parameter duct sensor for PM2.5, PM10, humidity and temperature

Parameters: PM2.5, PM10, RH, Temp
Voltage: AC 24V / DC 15-35V
Outputs: 0-10V, 0-5V, 4-20mA
Range: -5°C to 45°C
RH Range: 5-95%
QSA2700 Fine Dust Sensor

QSA2700

Fine dust sensor with 0-10V output and Modbus communication

Voltage: AC/DC 24V
Connection: Micro USB
Output: 0-10V Analog
Display: 3-color LED
Communication: Modbus RTU
Dimensions: 86x86x30mm
QSA2700D Fine Dust Sensor with Display

QSA2700D

Fine dust sensor with LCD display and advanced communication

Voltage: AC/DC 24V
Connection: Micro USB
Output: 0-10V Analog
Display: 2.4" LCD
Communication: Modbus RTU
Dimensions: 86x86x30mm

TEMPERATURE SENSORS

QAE2164.010 Immersion Temperature Sensor

QAE2164.010

100mm immersion temperature sensor with multiple output options

Output: 0-10V, 0-5V, 4-20mA
Voltage: AC 24V / DC 13.5-35V
Range: -10°C to 120°C
Accuracy: ±1K (0-70°C)
Immersion: 100mm
Material: Stainless Steel
IP Rating: IP54
QAE3010.010 Pt100 Immersion Sensor

QAE3010.010

Pt100 immersion temperature sensor for direct immersion applications

Sensor: Pt100
Range: -50°C to 200°C
Output: Passive
Immersion: 100mm
Material: Stainless Steel
Housing: Die-cast Aluminum
IP Rating: IP65
QAE3174.010 Immersion Temperature Sensor

QAE3174.010

100mm immersion temperature sensor with 4-20mA output

Output: 4-20mA
Voltage: DC 13.5-35V
Application: Water temperature
Immersion: 100mm
Type: Active sensor
QAM2110.040 Duct Temperature Sensor

QAM2110.040

400mm duct temperature sensor with Pt100 sensing element

Sensor: Pt100
Range: -50°C to 80°C
Accuracy: ±0.7K
Probe Length: 400mm
Immersion: 303-363mm
Response: 30s at 2m/s
Display: None

PRESSURE SENSORS & SWITCHES

QBE1900-P32 Pressure Switch

QBE1900-P32

Pressure switch for liquid and gaseous media, 6-32 bar range

Type: Mechanical
Range: 6-32 bar
Current: Up to 96A
Reset: Automatic
Thread: G½" external
Feature: Sealable
QBE3100UD100 Differential Pressure Sensor

QBE3100UD100

Liquid differential pressure sensor, 0-100 PSI, 4-20mA output

Type: Differential
Range: 0-100 PSI
Output: 4-20mA
Application: Hydronic HVAC
Media: Liquid
QBE61.3-DP2 Differential Pressure Sensor

QBE61.3-DP2

Differential pressure sensor for liquids and gases, 0-2 bar

Range: 0-2 bar
Media: Liquids & gases
Resistance: High overpressure
Application: Hot/chilled water
Thread: G½" connections
Mounting: Wall bracket
QBE63-DP01 Differential Pressure Sensor

QBE63-DP01

Differential pressure sensor with 0-10V output, 0-10 kPa

Range: 0-10 kPa
Output: 0-10V DC
Media: Liquids & gases
Thread: G1/8" connections
Mounting: Bracket included
Resistance: High overpressure

INDUSTRIAL SWITCHES

100A & 200A Switches

100A & 200A Switches

Optimized enclosures for flexibility and easier installation

Features:

  • HD non-fusible & GD fusible switches
  • Two enclosure sizes: Standard & Oversized
  • New reduced height enclosures
  • Updated catalog numbering system
  • Enhanced installation flexibility
Panel Switches

Panel Switches

30-1200A ratings with superior performance and flexibility

Features:

  • Twin mounted versions available
  • Group or individual mountings
  • Shunt trip option for ground fault protection
  • Pull-out option available
  • Vacu-Break design for longevity
Disconnect Switches

Disconnect Switches

16-800A disconnect switches for commercial and industrial use

Features:

  • Complete line 16-800A range
  • UL98 and UL508 compliant
  • Non-fusible standards
  • Commercial and industrial applications
  • Flexible disconnect solutions
Double Throw & Specialty Switches

Specialty Switches

Diversified portfolio for specialty applications

Features:

  • Double throw switches
  • Specialty application solutions
  • Rugged and reliable design
  • Complete accessory range
  • Maximum application flexibility