Why Choose the Pfannenberg FLH 250 250W 230V AC Heater?
The Pfannenberg 17025010107 FLH 250 Heater is a compact and reliable enclosure heater designed to prevent condensation, frost and low-temperature damage inside electrical control cabinets and industrial enclosures. As part of the trusted Pfannenberg FLH heater series, it provides efficient thermal protection for sensitive electrical and electronic components operating in demanding industrial environments.
This heater uses a powerful heating element combined with a space-saving enclosure design to maintain a stable internal cabinet temperature. By reducing moisture formation and preventing condensation, the FLH 250 helps improve the reliability and service life of electrical components such as PLCs, switches, drives and control equipment.
With a rated heating output of 250 W and a supply voltage of 230 V AC, the Pfannenberg FLH 250 is suitable for a wide range of industrial control cabinets and automation enclosures. Its compact dimensions of 106 × 93 × 187 mm allow flexible installation where enclosure space is limited.
Key Advantages
Compact electrical enclosure heater for industrial applications.
250 W heating output for effective cabinet temperature control.
230 V AC supply voltage for common industrial installations.
Prevents condensation and protects sensitive electrical components.
Space-saving design for easy enclosure integration.
Improves operational reliability in cold or humid environments.
Key Features
Pfannenberg FLH 250 heater series.
250 W rated heating capacity.
230 V AC operating voltage.
Designed for electrical enclosures and control cabinets.
Compact housing for flexible installation.
Reliable thermal protection against condensation.
Suitable for industrial automation and control applications.
Reliable Heating for Industrial Enclosures
Enclosure heaters such as the Pfannenberg FLH 250 maintain the correct internal climate of electrical cabinets by preventing condensation caused by temperature fluctuations. This helps protect electronic components from moisture-related failures and improves system reliability.
The FLH series is designed for industrial engineers, machine builders and automation specialists requiring dependable heating solutions for control cabinets and electrical enclosures. Its compact format allows efficient installation while delivering consistent thermal performance.
Industrial installations exposed to temperature changes.
Technical Specifications
HS Code
85162991
Manufacturer
Pfannenberg
Model
FLH 250
Article number
17025010107
Product type
Electrical enclosure heater
Rated heating output
250 W
Rated voltage
230 V AC
Dimensions (H × W × D)
106 × 93 × 187 mm
Series
FLH heater range
Frequently Asked Questions
What is the Pfannenberg FLH 250 heater used for?
The FLH 250 is used to prevent condensation and maintain suitable temperatures inside electrical enclosures and control cabinets.
What heating power does the FLH 250 provide?
The heater provides a rated heating output of 250 W.
What voltage supply does the FLH 250 require?
The Pfannenberg FLH 250 operates from a 230 V AC supply.
Where is this heater typically installed?
The heater is typically installed inside industrial electrical enclosures, control cabinets and automation systems.
What are the dimensions of the FLH 250 heater?
The Pfannenberg FLH 250 has dimensions of approximately 106 × 93 × 187 mm.
Trusted by Industrial Engineers Worldwide
Pfannenberg enclosure heating solutions are trusted by automation engineers and machine builders worldwide for reliable condensation prevention, cabinet protection and long-term industrial performance.
HS Code
85162991
Manufacturer
Pfannenberg
Model
FLH 250
Article number
17025010107
Product type
Electrical enclosure heater
Rated heating output
250 W
Rated voltage
230 V AC
Dimensions (H × W × D)
106 × 93 × 187 mm
Series
FLH heater range
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
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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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...