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K1-1P320-M Mersen Surge Protector Type 1+2 SPD 1 Pole 277 Volt 20KA L-N Remote Indication
MPN: 44120107
Alt. SKU: K1-1P320-M
Special Price
£93.54
£77.95
Regular Price
£124.72
This product replaces this item:
Why Choose the M K1-1P320-M SPD, T1+2, 1+0, Uc 320Vac?
The M K1-1P320-M surge protective device offers robust T1+2 protection in a compact 1+0 configuration, making it ideal for safeguarding low-voltage installations against transient overvoltages from lightning and switching events. Operating with a maximum continuous voltage (Uc) of 320Vac, it delivers reliable performance and compliance with stringent industrial standards.
Featuring a durable design for ease of installation and maintenance, this SPD is suited to demanding commercial and industrial environments. Choose the M K1-1P320-M to enhance system resilience, minimise downtime, and ensure the long-term integrity of your electrical infrastructure.
Technical Specifications
- Item number: 44120107
- Catalogue No: K1-1P320-M
- Description: SPD, T1+2, 1+0, Uc 320Vac, M
- EAN/UPC Code: 8435297888048
- 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
- System Configuration: TNS, TNC, TT (only L-N)
- 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: 1-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 L-N: 320 V
- VPR L-G: 1200 V
- VPR L-N: 1200 V
- Replacement Plug L1: 44120003
- Product Width: 18 mm
- Product Length: 90.4 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.192 kg
- Sell Pack Width: 22 mm
- Sell Pack Length: 97 mm
- Sell Pack Height: 118 mm
- Product group: Power Line SPDs
- Product Weight: 0.178 kg
Product Code: 44120107
Key Benefits
- Provides comprehensive T1+2 surge protection for enhanced safety.
- Compact 1-pole pluggable design for easy installation and maintenance.
- High nominal discharge current of 20 kA and max discharge current of 50 kA for reliable performance.
- Visual and microswitch indication system to signal device status clearly.
- Durable housing materials (PA6 CT1 & PA66 CT1) ensure long service life in industrial environments.
- Compatible with multiple system configurations including TNS, TNC, and TT.
Compatibility
The M K1-1P320-M SPD is compatible with low-voltage AC electrical systems operating at nominal voltages up to 277V and a maximum continuous voltage of 320Vac. It supports system configurations such as TNS, TNC, and TT networks (L-N). The device is designed for DIN rail mounting and can be integrated seamlessly into existing industrial and commercial electrical installations.
Applications
- Protection of commercial and industrial electrical installations from transient overvoltages.
- Use in power distribution boards and control panels requiring Class I+II surge protection.
- Suitable for environments exposed to lightning surges and switching transients.
- Ideal for safeguarding sensitive electronic equipment and maintaining system integrity.
Frequently Asked Questions
What does T1+2 classification mean for this SPD?
T1+2 indicates that the surge protective device provides both Class I (lightning impulse current) and Class II (switching surge current) protection, making it suitable for primary and secondary surge protection in electrical installations.
Can this SPD be used in DC systems?
No, the M K1-1P320-M is designed specifically for AC systems as indicated by its nominal operating voltage and system compatibility.
How is the status of the SPD indicated?
The device features a green (OK) / not green (replace) microswitch indication system, allowing for easy visual inspection and remote signalling of the SPD condition.
What is the maximum back-up fuse rating for this SPD?
The maximum back-up fuse rating is 315 A [gG], ensuring proper coordination with upstream protective devices.
Common Search Terms
Surge Protective Device, SPD, Lightning Protection, T1+2 SPD, 1 Pole SPD, 320Vac SPD, Industrial Surge Protector, DIN Rail SPD, Power Line SPD, Class I+II Surge Protection
| Manufacturer Part Number | 44120107 |
|---|---|
| Packed Quantity | 1 |
| Manufacturer | Mersen |
| Number of Poles | 1 Pole |
| Voltage | 277V |
| Maximum Continuous Voltage | 320V |
| Nominal Discharge Current | 20Ka |
| Remote Indication | Yes |
| Alternative Product SKU | K1-1P320-M |
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