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K1-3P275-M Mersen Surge Protector Type 1+2 SPD 3 Pole 400 Volt 20KA TNC Remote Indication
MPN: 44120301
Alt. SKU: K1-3P275-M
Special Price
£249.78
£208.15
Regular Price
£333.04
This product replaces this item:
Why Choose the M K1-3P275-M SPD?
The M K1-3P275-M is a robust Type 1+2 surge protection device (SPD) designed for three-phase systems, offering reliable protection against transient overvoltages with a maximum continuous operating voltage (Uc) of 275Vac. Its 3+0 configuration ensures comprehensive coverage for three-phase TN and TT networks, making it ideal for demanding industrial and commercial applications.
Engineered for straightforward DIN rail installation and long-term durability, this SPD delivers high surge capacity while facilitating quick visual status checks and maintenance. Choose the M K1-3P275-M for enhanced system uptime, equipment longevity, and compliance with international safety standards.
Technical Specifications
- Item number: 44120301
- Catalogue No: K1-3P275-M
- Description: SPD, T1+2, 3+0, Uc 275Vac, M
- EAN/UPC Code: 8435297886648
- RoHS Compliant: Yes
- IEC SPD Type: Class I+II
- UL SPD Type: Type 1 Component Assembly
- Format: Pluggable
- Nominal Operating Volt Rating (Un): 230/400
- 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
- Lightning Impulse Current (10/350) (LIMP): 12.5 kA
- 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
- MOV Response Time: ≤25
- Installation Mounting: DIN rail
- MCOV L-G: 275 V
- MCOV L-L: 550 V
- VPR L-G: 1200 V
- VPR L-L: 2000 V
- Replacement Plug L1: 44120001
- Product Width: 54 mm
- Product Length: 90.4 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.543 kg
- Sell Pack Width: 59 mm
- Sell Pack Length: 97 mm
- Sell Pack Height: 118 mm
- Product group: Power Line SPDs
- Product Weight: 0.497 kg
Product Code: 44120301
Key Benefits
- High surge capacity with 20 kA nominal discharge current and 50 kA maximum discharge current.
- Reliable protection for three-phase TN and TT systems with 3+0 configuration.
- Easy DIN rail mounting for quick and secure installation.
- Visual status indication via green/red microswitch for maintenance convenience.
- Robust housing materials (PA6 CT1 & PA66 CT1) ensure durability in industrial environments.
- Compliance with IEC Class I+II and UL Type 1 standards for safety and performance.
Compatibility
The M K1-3P275-M SPD is compatible with three-phase TN-C and TT electrical distribution systems operating at nominal voltages of 230/400 Vac. It is designed for use in industrial and commercial installations requiring Type 1+2 surge protection and is suitable for integration with standard DIN rail mounting systems.
Applications
- Industrial power distribution panels
- Commercial building electrical systems
- Renewable energy installations
- Data centres and critical infrastructure protection
- Manufacturing facilities with sensitive electronic equipment
Frequently Asked Questions
What type of surge protection does the M K1-3P275-M provide?
It provides Type 1+2 surge protection, suitable for both direct lightning strikes and switching surges in three-phase systems.
Can this SPD be installed on a DIN rail?
Yes, the M K1-3P275-M is designed for easy DIN rail installation.
What indication system does this SPD use?
It features a microswitch with a green (OK) or not green (replace) status indicator for quick visual checks.
Is the M K1-3P275-M suitable for TT systems?
Yes, it is compatible with both TN and TT system configurations.
Common Search Terms
SPD 3-phase 275V, surge protection device, Type 1+2 SPD, DIN rail SPD, industrial surge protector, three-pole surge protector, power line SPD, transient voltage suppressor, electrical surge protection, M K1-3P275-M
| Manufacturer Part Number | 44120301 |
|---|---|
| Packed Quantity | 1 |
| Manufacturer | Mersen |
| Number of Poles | 3 Pole |
| Voltage | 400V |
| Maximum Continuous Voltage | 275V |
| Nominal Discharge Current | 20Ka |
| Remote Indication | Yes |
| Alternative Product SKU | K1-3P275-M |
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