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K2-4P440-M Mersen Surge Protector Type 2 SPD 4 Pole 230/400 Volt 20KA IT Remote Indication
MPN: 44020421
Alt. SKU: K2-4P440-M
Special Price
£154.22
£128.52
Regular Price
£205.63
This product replaces this item:
Why Choose the SPD T2 4P Uc 440Vac IR K2-4P440-M?
The SPD T2 4P Uc 440Vac IR K2-4P440-M offers robust Type 2 surge protection for three-phase systems up to 440V AC. Its four-pole configuration ensures comprehensive coverage against transient overvoltages, safeguarding critical industrial equipment and distribution boards.
Engineered for reliability, this device provides high surge capacity and rapid response, helping to minimise downtime and prolong equipment lifespan. It is ideal for industrial and commercial installations seeking dependable, easy-to-integrate surge protection solutions.
Product Code: 44020421
Key Benefits
- High surge capacity with 20 kA nominal discharge current and 50 kA maximum discharge current.
- Four-pole design for comprehensive protection of three-phase systems.
- Indication system with green (OK) / not green (replace) microswitch for easy status monitoring.
- Pluggable format for straightforward installation and maintenance.
- Durable housing material (PA6 CT1 & PA66 CT1) suitable for industrial environments.
- Compatible with DIN rail mounting for flexible installation options.
Compatibility
This surge protection device is compatible with three-phase TNS system configurations operating at nominal voltages of 400/690 V AC. It supports protection modes L-PE and N-PE and is designed to work with backup fuses up to 315 A [gG]. Suitable for integration with industrial electrical distribution boards requiring Type 2 surge protection.
Applications
- Industrial power distribution boards
- Commercial three-phase electrical installations
- Protection of sensitive industrial machinery and equipment
- Electrical panels in manufacturing plants
- Renewable energy systems requiring surge protection
Technical Specifications
- Item number: 44020421
- Catalogue No: K2-4P440-M
- Description: SPD, T2, 4P, Uc 440Vac, IR
- EAN/UPC Code: 8435297890010
- 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-PE
- System Configuration: TNS
- Short Circuit Withstand (ISCCR): 25 kA
- Indication System: Yes
- Indication System Type: Green (OK) / Not green (replace) Microswitch
- Number of Poles: 4-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
- MCOV N-G: 440 V
- MCOV L-N: 880 V
- VPR L-G: 1500 V
- VPR L-L: 2500 V
- VPR N-G: 1500 V
- VPR L-N: 2500 V
- Replacement Plug L1: 44020005
- Product Width: 72 mm
- Product Length: 74.4 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.495 kg
- Sell Pack Width: 78 mm
- Sell Pack Length: 97 mm
- Sell Pack Height: 118 mm
- Product group: Power Line SPDs
- Product Weight: 0.465 kg
Frequently Asked Questions
What type of surge protection does this device provide?
The SPD T2 4P Uc 440Vac IR K2-4P440-M provides Type 2 surge protection, suitable for installation at distribution boards to protect against transient overvoltages.
Is this SPD suitable for three-phase systems?
Yes, it is designed for three-phase systems with a four-pole configuration, providing protection across all phases and neutral.
How can I tell if the SPD needs replacing?
The device features an indication system with a green (OK) or not green (replace) microswitch to easily monitor its status.
What is the maximum backup fuse rating for this SPD?
The maximum back-up fuse rating is 315 A [gG].
Can this SPD be mounted on a DIN rail?
Yes, it is designed for DIN rail mounting, facilitating easy installation in standard electrical panels.
Common Search Terms
SPD 4 pole surge protector, Type 2 surge protection device, 440Vac SPD, three-phase surge protector, DIN rail SPD, industrial surge protection, K2-4P440-M, power line SPD, pluggable surge protector, transient voltage surge suppressor.
| Manufacturer Part Number | 44020421 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8435297890010 |
| Height | 74.4mm |
| Width | 72mm |
| Depth | 90mm |
| HS Code | 85363090 |
| Country of Manufacture | Spain |
| Manufacturer | Mersen |
| Number of Poles | 4 Pole |
| Voltage | 230/400V |
| Maximum Continuous Voltage | 440V |
| Nominal Discharge Current | 20Ka |
| Remote Indication | Yes |
| Alternative Product SKU | K2-4P440-M |
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