Theben BZ 145

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Delivered between 16.1.2026 and 24.1.2026
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Product details

The Theben operating hour counter BZ 145 is a reliable device for the precise recording of operating hours in various applications. With a compact design of 35 x 65.5 mm, this counter is designed for mounting on a DIN rail and is ideal for use in control cabinets. The analog counter offers a counting range of up to 99,999.9 hours and allows for easy reading of operating hours. Its robust construction and IP65 protection rating ensure high resistance to dust and water, making it suitable for use in demanding environments. The BZ 145 is mains-synchronized and operates with an input voltage of 230 V, making it a practical solution for monitoring machines and systems. Installation is done via screw terminals, ensuring a secure and easy connection.

  • Counting range up to 99,999.9 hours
  • IP65 protection rating for high durability
  • Easy mounting on DIN rail
  • Analog display for clear readability
  • Mains-synchronized operation with 230 V AC.

Key specifications

Energy meter type
Operating hours counter
Mounting type
Top-hat rail
Nominal voltage
230 V
Documents
Technical data sheet.pdf
Item number
17823928

General information

Manufacturer
Theben
Category
Energy monitors
Manufacturer no.
1450000
Release date
10.12.2021

Energy meter property

Energy meter type
Operating hours counter
Mounting type
Top-hat rail
Mounting type
Screw fastening
Nominal voltage
230 V
Display type
Analogue

Safety

Protection type (IP code)
IP65

Origin

Country of origin
Germany

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Height
65.50 mm
Length
10 mm
Width
35 mm

30-day right of return
24 Months Warranty (Bring-in)
2 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Energy monitors» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Theben
    Not enough data
  • 1.Orno
    0.1 %
  • 2.Voltcraft
    0.2 %
  • 3.Max Hauri
    0.3 %
  • 3.Qoltec
    0.3 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Theben
    Not enough data
  • 1.Steffen
    0 days
  • 2.Shelly
    1 day
  • Brennenstuhl
    Not enough data
  • Eltako
    Not enough data

Return rate

How often is a product of this brand in the «Energy monitors» category returned?

Source: Digitec Galaxus
  • Theben
    Not enough data
  • 1.Orno
    0 %
  • 2.Qoltec
    0.5 %
  • 3.Steffen
    1 %
  • 4.Max Hauri
    1.4 %
Source: Digitec Galaxus