We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
K1-3P320-M Mersen Surge Protector Type 1+2 SPD 3 Pole 480 Volt 20KA TNC Remote Indication
MPN: 44120305
Alt. SKU: K1-3P320-M
Special Price
£269.77
£224.81
Regular Price
£359.69
This product replaces this item:
Why Choose the M K1-3P320-M SPD?
The M K1-3P320-M is a robust Type 1+2 surge protection device designed for three-phase TN and TT systems, offering reliable protection against transient overvoltages up to 320V AC (Uc). Its compact 3+0 configuration ensures straightforward installation and effective safeguarding of critical industrial equipment.
Engineered for high performance and durability, this SPD complies with stringent IEC standards, making it ideal for demanding applications in power distribution panels and industrial switchgear. Enhance system resilience and minimise downtime with this proven, maintenance-friendly solution.
Technical Specifications
- Item number: 44120305
- Catalogue No: K1-3P320-M
- Description: SPD, T1+2, 3+0, Uc 320Vac, M
- EAN/UPC Code: 8435297888178
- RoHS Compliant: Yes
- IEC SPD Type: Class I+II
- UL SPD Type: Type 1 Component Assembly
- Format: Pluggable
- Nominal Operating Volt Rating (Un): 277/480
- 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: 320 V
- MCOV L-L: 640 V
- VPR L-G: 1200 V
- VPR L-L: 2000 V
- Replacement Plug L1: 44120003
- Product Width: 54 mm
- Product Length: 90.4 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.55 kg
- Sell Pack Width: 59 mm
- Sell Pack Length: 97 mm
- Sell Pack Height: 118 mm
- Product group: Power Line SPDs
- Product Weight: 0.52 kg
Product Code: 44120305
Key Benefits
- Reliable protection against transient overvoltages up to 320V AC
- Compact 3+0 configuration for easy installation
- Complies with IEC and UL standards for safety and performance
- Maintenance-friendly with clear indication system for status monitoring
- High discharge current capacity ensuring robust surge handling
- Durable housing materials for long-lasting operation in industrial environments
Compatibility
The M K1-3P320-M SPD is compatible with three-phase TN and TT electrical systems, specifically designed for TNC system configurations. It integrates seamlessly with DIN rail-mounted power distribution panels and industrial switchgear, providing effective surge protection for sensitive electrical and electronic equipment.
Applications
- Industrial power distribution panels
- Commercial and industrial switchgear assemblies
- Protection of critical electrical and electronic equipment
- Renewable energy installations requiring surge protection
- Infrastructure and utility power systems
Frequently Asked Questions
What is the maximum discharge current of the M K1-3P320-M?
The maximum discharge current (Imax) of the M K1-3P320-M is 50 kA (8/20 µs waveform).
Can this SPD be used in DC systems?
No, the M K1-3P320-M is designed for AC systems only, as specified in its technical specifications.
How does the indication system work?
The SPD features a green (OK) / not green (replace) microswitch indication system that allows for easy visual monitoring of device status.
What mounting options are available for this device?
The device is designed for DIN rail mounting, facilitating straightforward installation in standard electrical enclosures.
Common Search Terms
surge protection device, SPD 320V AC, Type 1+2 SPD, three-phase surge protector, DIN rail SPD, industrial surge protection, power line SPD, pluggable surge protector
| Manufacturer Part Number | 44120305 |
|---|---|
| Packed Quantity | 1 |
| Manufacturer | Mersen |
| Number of Poles | 3 Pole |
| Voltage | 480V |
| Maximum Continuous Voltage | 320V |
| Nominal Discharge Current | 20Ka |
| Remote Indication | Yes |
| Alternative Product SKU | K1-3P320-M |
Write Your Own Review
