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K1-2P320-M Mersen Surge Protector Type 1+2 SPD 2 Pole 277 Volt 20KA TNS Remote Indication
MPN: 44120213
Alt. SKU: K1-2P320-M
Special Price
£178.24
£148.53
Regular Price
£237.65
This product replaces this item:
Why Choose the M K1-2P320-M Surge Protective Device?
The M K1-2P320-M is a robust Type 1+2 surge protective device (SPD) designed for effective protection of low-voltage power supply systems. With a rated maximum continuous operating voltage (Uc) of 320Vac and a 2+0 configuration, it ensures dependable surge protection for critical industrial and commercial applications.
Engineered for reliability and ease of installation, this two-pole SPD (SKU 44120213) provides superior defence against both direct lightning strikes and switching surges, safeguarding your valuable electrical infrastructure.
Technical Specifications
- Item number: 44120213
- Catalogue No: K1-2P320-M
- Description: SPD, T1+2, 2+0, Uc 320Vac, M
- EAN/UPC Code: 8435297888130
- RoHS Compliant: Yes
- IEC SPD Type: Class I+II
- UL SPD Type: Type 1 Component Assembly
- Format: Pluggable
- Nominal Operating Volt Rating (Un): 277
- 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
- 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: 2-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: 320 V
- MCOV N-G: 320 V
- MCOV L-N: 640 V
- VPR L-G: 1200 V
- VPR N-G: 1200 V
- VPR L-N: 2000 V
- Replacement Plug L1: 44120003
- Product Width: 36 mm
- Product Length: 90.4 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.375 kg
- Sell Pack Width: 38 mm
- Sell Pack Length: 97 mm
- Sell Pack Height: 118 mm
- Product group: Power Line SPDs
- Product Weight: 0.345 kg
Product Code: 44120213
Key Benefits
- Provides reliable surge protection for low-voltage power supply systems.
- Type 1+2 classification ensures protection against direct lightning strikes and switching surges.
- Compact, pluggable design allows for easy installation on DIN rails.
- Visual indication system with green (OK) / not green (replace) microswitch for quick status checks.
- High nominal discharge current (20 kA) and maximum discharge current (50 kA) for robust performance.
- Suitable for TNS system configurations with dual protection modes (L-PE / N-PE).
Compatibility
The M K1-2P320-M SPD is compatible with low-voltage AC power systems operating at a nominal voltage of 277 V and designed for TNS system configurations. It is suitable for use with backup fuses up to 315 A [gG]. The device fits standard DIN rail mounting systems and can be integrated easily into existing electrical installations requiring Class I+II surge protection.
Applications
- Industrial power distribution boards and switchgear.
- Commercial building electrical installations.
- Protection of sensitive electronic and electrical equipment from surges.
- Renewable energy systems requiring surge protection.
- Data centres and telecommunications infrastructure.
Frequently Asked Questions
What type of surge protection does the M K1-2P320-M provide?
It provides Type 1+2 surge protection, suitable for defence against both direct lightning strikes and switching surges.
Can this SPD be installed on any mounting system?
This device is designed for DIN rail mounting only, ensuring easy integration into standard electrical panels.
How can I tell if the SPD needs replacing?
The SPD features a visual indication system with a green (OK) or not green (replace) microswitch to alert users when replacement is necessary.
Is the M K1-2P320-M suitable for DC systems?
No, this SPD is specified for AC systems only, with a nominal operating voltage rating of 277 V AC.
Common Search Terms
surge protective device, SPD, Type 1+2 SPD, 2-pole surge protector, DIN rail SPD, low voltage surge protection, industrial surge protector, lightning surge protection, M K1-2P320-M, 320Vac SPD
| Manufacturer Part Number | 44120213 |
|---|---|
| Packed Quantity | 1 |
| Manufacturer | Mersen |
| Number of Poles | 2 Pole |
| Voltage | 277V |
| Maximum Continuous Voltage | 320V |
| Nominal Discharge Current | 20Ka |
| Remote Indication | Yes |
| Alternative Product SKU | K1-2P320-M |
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