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K2-3P440-M Mersen Surge Protector Type 2 SPD 3 Pole 400/690 Volt 20KA IT Remote Indication
MPN: 44020309
Alt. SKU: K2-3P440-M
Special Price
£118.12
£98.43
Regular Price
£157.49
This product replaces this item:
Why Choose the IR K2-3P440-M SPD?
The IR K2-3P440-M Type 2 Surge Protection Device offers reliable three-phase protection for electrical systems up to 440Vac, ensuring critical equipment is safeguarded against transient overvoltages. Its robust design adheres to rigorous industrial standards, making it ideal for demanding commercial and industrial environments.
Engineered for easy integration in new or existing panels, this SPD delivers high discharge capacity and consistent performance, minimising downtime and maintenance costs. Trusted by professionals, it helps maintain operational integrity and extends equipment lifespan.
Product Code: 44020309
Key Benefits
- High discharge capacity with 20 kA nominal and 50 kA maximum discharge current for superior surge protection.
- Pluggable format allows for easy installation and replacement, reducing maintenance time.
- Visual indication system with green (OK) / not green (replace) microswitch for quick status checks.
- Robust housing material (PA6 CT1 & PA66 CT1) ensures durability in industrial environments.
- DIN rail mounting facilitates straightforward integration into existing electrical panels.
- Complies with IEC Class II and UL Type 1 Component Assembly standards for reliable performance.
Compatibility
The IR K2-3P440-M SPD is compatible with three-phase TNC system configurations and is suitable for use in electrical systems with nominal operating voltages of 400/690 V AC. It can be integrated with backup fuses up to 315 A [gG] and fits standard DIN rail mounting systems, making it suitable for a wide range of industrial and commercial electrical installations.
Applications
- Industrial power distribution panels requiring surge protection.
- Commercial buildings with three-phase electrical systems.
- Manufacturing facilities needing robust transient overvoltage protection.
- Renewable energy installations with AC power systems up to 440Vac.
- Critical infrastructure requiring reliable and maintainable surge protection devices.
Technical Specifications
- Item number: 44020309
- Catalogue No: K2-3P440-M
- Description: SPD, T2, 3P, Uc 440Vac, IR
- EAN/UPC Code: 8435297889922
- RoHS Compliant: Yes
- IEC SPD Type: Class II
- UL SPD Type: Type 1 Component Assembly
- Format: Pluggable
- Nominal Operating Volt Rating (Un): 400/690
- AC or DC: AC
- Nominal Discharge Current (In) (8/20): 20 kA
- Max Discharge Current : Imax (8/20): 50 kA
- Protection Modes: L-PE(N)
- System Configuration: TNC
- Short Circuit Withstand (ISCCR): 25 kA
- Indication System: Yes
- Indication System Type: Green (OK) / Not green (replace) Microswitch
- Number of Poles: 3-Pole
- Torque Rating: 3 Nm
- Max. Back-Up Fuse: 315 A [gG]
- Housing Material: PA6 CT1 & PA66 CT1
- Installation Mounting: DIN rail
- MCOV L-G: 440 V
- MCOV L-L: 880 V
- VPR L-G: 1500 V
- VPR L-L: 2500 V
- Replacement Plug L1: 44020005
- Product Width: 54 mm
- Product Length: 74.4 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.446 kg
- Sell Pack Width: 59 mm
- Sell Pack Length: 97 mm
- Sell Pack Height: 118 mm
- Product group: Power Line SPDs
- Product Weight: 0.405 kg
Frequently Asked Questions
What type of systems is the IR K2-3P440-M suitable for?
It is designed for three-phase TNC electrical systems with nominal voltages up to 440Vac, commonly found in industrial and commercial installations.
How does the indication system work?
The device features a green indicator when operational (OK) and changes from green to a different colour when replacement is needed, assisted by a microswitch for remote signalling.
Can this SPD be installed on existing panels?
Yes, its pluggable format and DIN rail mounting make it easy to integrate into both new and existing electrical panels.
What is the maximum backup fuse rating for this SPD?
The maximum back-up fuse rating is 315 A [gG], ensuring adequate protection coordination.
Common Search Terms
Type 2 SPD, three-phase surge protector, 440Vac surge protection device, pluggable SPD, DIN rail SPD, industrial surge protection, transient overvoltage protector, power line SPD, IR K2-3P440-M, Class II surge protector.
| Manufacturer Part Number | 44020309 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8435297889922 |
| Height | 74.4mm |
| Width | 54mm |
| Depth | 90mm |
| HS Code | 85363090 |
| Country of Manufacture | Spain |
| Manufacturer | Mersen |
| Number of Poles | 3 Pole |
| Voltage | 400/690V |
| Maximum Continuous Voltage | 440V |
| Nominal Discharge Current | 20Ka |
| Remote Indication | Yes |
| Alternative Product SKU | K2-3P440-M |
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