Why Choose the Pfannenberg FLZ 541 Thermostat O/S 0..60C?
The Pfannenberg FLZ 541 Thermostat O/S 0..60C is a compact and reliable electrical enclosure thermostat designed for automatic temperature regulation in industrial control cabinets. As part of the trusted Pfannenberg FLZ thermostat series, it provides dependable switching control for enclosure heaters, filter fans and thermal management equipment used in industrial automation systems.
The FLZ 541 combines normally open (N.O.) and normally closed (N.C.) contacts in a single thermostat, allowing flexible control of both heating and cooling devices. This dual-contact design enables efficient cabinet climate management by controlling heaters, fans or cooling equipment according to temperature requirements.
With an adjustable temperature range of 0 °C to +60 °C, the FLZ 541 provides accurate thermal switching for demanding industrial applications. Its compact mounting design allows simple installation inside electrical enclosures while saving valuable cabinet space.
Key Advantages
Compact industrial enclosure thermostat for electrical cabinets.
0 °C to +60 °C adjustable temperature range for flexible thermal control.
Combined normally open and normally closed contacts for heating and cooling applications.
Allows simultaneous control of cabinet heaters and cooling equipment.
Reliable mechanical switching technology for industrial environments.
Space-saving design for efficient electrical enclosure installation.
Key Features
Pfannenberg FLZ 541 thermostat series.
O/S combined contact configuration.
Temperature setting range 0 °C to +60 °C.
Suitable for enclosure heaters, filter fans and cooling equipment.
Bimetal temperature sensing element.
Switching temperature difference <7 K.
Switching point tolerance ±4 K.
Compact mounting design for industrial control cabinets.
Reliable Temperature Control for Electrical Enclosures
Electrical cabinet thermostats such as the Pfannenberg FLZ 541 provide automatic switching control for enclosure thermal management equipment. By monitoring internal cabinet temperatures, they help maintain stable operating conditions, reduce condensation risks and protect sensitive electrical components.
The combined contact arrangement of the FLZ 541 makes it particularly suitable for applications requiring coordinated control of heaters and cooling devices. This helps improve energy efficiency while maintaining reliable environmental conditions inside industrial enclosures.
Typical Applications
Industrial control cabinets and electrical enclosures.
Combined heater and fan temperature control.
Automation and machine building systems.
Switchgear and control panel installations.
Condensation prevention in electrical cabinets.
Industrial thermal management systems.
Technical Specifications
Manufacturer
Pfannenberg
Series
FLZ Thermostats
Model
FLZ 541 Thermostat O/S 0..60C
Article number
17141000000
Product type
Electrical enclosure thermostat
Contact type
Changeover combination with normally open and normally closed contacts
Temperature setting range
0 °C to +60 °C
Switching temperature difference
<7 K
Switching point tolerance
±4 K
Maximum switching capacity
240 V AC / 10 A
Inductive load rating
2 A at cos φ = 0.6
Mounting type
Control cabinet mounting
Connection type
Screw terminals
Protection rating
IP20
Operating temperature
-40 °C to +80 °C
Probe type
Bimetal
Colour
RAL 7035
Dimensions (H × W × D)
81 × 59 × 37 mm
Frequently Asked Questions
What is the Pfannenberg FLZ 541 thermostat used for?
The FLZ 541 is used to control temperature inside electrical enclosures by switching connected heaters, fans or cooling equipment.
What temperature range does the FLZ 541 support?
The thermostat supports an adjustable temperature range of 0 °C to +60 °C.
What contact configuration does the FLZ 541 use?
The FLZ 541 combines normally open and normally closed contacts for flexible thermal management applications.
Can the FLZ 541 control both heating and cooling devices?
Yes, the combined contact design allows control of devices such as enclosure heaters and filter fans or cooling equipment.
Where is the FLZ 541 typically installed?
The thermostat is installed inside industrial electrical cabinets and control enclosures as part of a thermal management system.
Trusted by Industrial Engineers Worldwide
Pfannenberg FLZ thermostats are widely used by automation engineers and panel builders to provide reliable temperature control, protect electrical components and improve the efficiency of industrial enclosure thermal management systems.
Manufacturer
Pfannenberg
Series
FLZ Thermostats
Model
FLZ 541 Thermostat O/S 0..60C
Article number
17141000000
Product type
Electrical enclosure thermostat
Contact type
Changeover combination with normally open and normally closed contacts
Temperature setting range
0 °C to +60 °C
Switching temperature difference
<7 K
Switching point tolerance
±4 K
Maximum switching capacity
240 V AC / 10 A
Inductive load rating
2 A at cos φ = 0.6
Mounting type
Control cabinet mounting
Connection type
Screw terminals
Protection rating
IP20
Operating temperature
-40 °C to +80 °C
Probe type
Bimetal
Colour
RAL 7035
Dimensions (H × W × D)
81 × 59 × 37 mm
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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Common questions about our products and support
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...