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K1-2P320 Mersen Surge Protector Type 1+2 SPD 2 Pole 277 Volt 20KA TNS
MPN: 44120212
Alt. SKU: K1-2P320
This product replaces this item:
Why Choose the SPD, T1+2, 2+0, Uc 320Vac K1-2P320?
The SPD, T1+2, 2+0, Uc 320Vac K1-2P320 offers robust Type 1+2 surge protection for low-voltage power distribution, combining high reliability with a compact 2-pole design. Engineered for continuous operation at a maximum continuous operating voltage (Uc) of 320V AC, it ensures optimal protection against transient overvoltages and lightning-induced surges.
Featuring a maintenance-friendly plug-in module system and visual status indicator, this SPD is ideal for industrial and commercial installations requiring superior surge protection performance and ease of service. Enhance system safety, minimise equipment downtime, and extend the lifespan of your electrical infrastructure with this advanced protective solution.
Technical Specifications
- Item number: 44120212
- Catalogue No: K1-2P320
- Description: SPD, T1+2, 2+0, Uc 320Vac
- EAN/UPC Code: 8435297888123
- 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)
- 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: 0.372 kg
- Sell Pack Width: 38 mm
- Sell Pack Length: 97 mm
- Sell Pack Height: 118 mm
- Product group: Power Line SPDs
- Product Weight: 0.342 kg
Product Code: 44120212
Key Benefits
- High-performance Type 1+2 surge protection for enhanced safety
- Compact 2-pole design for easy installation in confined spaces
- Maintenance-friendly pluggable modules reduce downtime
- Visual status indicator for quick and reliable device condition checks
- Suitable for industrial and commercial low-voltage power distribution systems
- Robust construction with PA6 CT1 & PA66 CT1 housing materials
Compatibility
This SPD is designed for use in TNS system configurations and is compatible with low-voltage AC power systems operating at nominal voltages up to 277 V. It supports protection modes L-PE and N-PE and requires a maximum back-up fuse rating of 315 A [gG]. Installation is suitable on standard DIN rails.
Applications
- Industrial power distribution boards
- Commercial building electrical systems
- Data centres and server rooms
- Manufacturing plants with sensitive electronic equipment
- Renewable energy installations requiring surge protection
- Infrastructure projects demanding high surge immunity
Frequently Asked Questions
What is the maximum continuous operating voltage (Uc) of this SPD?
The maximum continuous operating voltage (Uc) of this SPD is 320 V AC.
How does the indication system work?
The indication system uses a green colour to show the SPD is operational (OK). If the indicator is not green, it signals that the module should be replaced.
Can this SPD be installed on a DIN rail?
Yes, the SPD is designed for DIN rail mounting for easy installation and integration.
What types of surges does this SPD protect against?
It provides protection against transient overvoltages including lightning-induced surges, with a nominal discharge current of 20 kA and a maximum discharge current of 50 kA.
Common Search Terms
SPD 320Vac, Type 1+2 surge protector, 2-pole surge arrester, DIN rail SPD, industrial surge protection, power line SPD, lightning surge protector, plug-in surge protection device
| Manufacturer Part Number | 44120212 |
|---|---|
| Packed Quantity | 1 |
| Manufacturer | Mersen |
| Number of Poles | 2 Pole |
| Voltage | 277V |
| Maximum Continuous Voltage | 320V |
| Nominal Discharge Current | 20Ka |
| Alternative Product SKU | K1-2P320 |