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K1-1PG Mersen Surge Protector Type 1+2 SPD 1 Pole Neutral 50KA N-PE Remote Indication
MPN: 44120100
Alt. SKU: K1-1PG
Special Price
£110.76
£92.30
Regular Price
£147.67
This product replaces this item:
Why Choose the SPD, T1+2, 0+1, Neutral K1-1PG?
The SPD, T1+2, 0+1, Neutral K1-1PG provides robust surge protection for low-voltage power distribution systems, combining Type 1 and Type 2 classification for comprehensive defence against transient overvoltages. Its design is optimised for TN and TT earthing systems, ensuring seamless integration into new and existing installations.
This unit features high discharge capacity and reliable status indication, supporting operational efficiency and maintenance. Engineered for enhanced safety and longevity, it delivers dependable protection for critical equipment in industrial and commercial environments.
Technical Specifications
- Item number: 44120100
- Catalogue No: K1-1PG
- Description: SPD, T1+2, 0+1, Neutral
- EAN/UPC Code: 8435297884095
- RoHS Compliant: Yes
- IEC SPD Type: Class I+II
- UL SPD Type: Type 1 Component Assembly
- Format: Pluggable
- AC or DC: AC
- Nominal Discharge Current (In) (8/20): 20 kA
- Max Discharge Current : Imax (8/20): 100 kA
- Protection Modes: N-PE
- System Configuration: TT, TNS
- Lightning Impulse Current (10/350) (LIMP): 50 kA
- Following Current (Ifi): 100 A
- Short Circuit Withstand (ISCCR): 25 kA
- Indication System: Yes
- Indication System Type: Green (OK) / Not green (replace)
- 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: ≤100 ns
- Installation Mounting: DIN rail
- MCOV N-G: 305 V
- VPR N-G: 1000 V
- Replacement Plug N-PE: 44120000
- Product Width: 18 mm
- Product Length: 90.4 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.162 kg
- Sell Pack Width: 22 mm
- Sell Pack Length: 97 mm
- Sell Pack Height: 118 mm
- Product group: Power Line SPDs
- Product Weight: 0.14 kg
Product Code: 44120100
Key Benefits
- Comprehensive surge protection with combined Type 1 and Type 2 classification
- High discharge capacity up to 100 kA for reliable transient overvoltage defence
- Optimised for TN and TT earthing systems ensuring versatile installation
- Clear green status indication for easy monitoring and maintenance
- Compact pluggable design for quick and simple DIN rail mounting
- Robust housing materials (PA6 CT1 & PA66 CT1) for enhanced durability
Compatibility
The SPD, T1+2, 0+1, Neutral K1-1PG is compatible with low-voltage power distribution systems configured in TT and TNS earthing systems. It integrates seamlessly with standard DIN rail mounting systems and supports use with backup fuses up to 315 A [gG]. Replacement plugs (N-PE) are available under product code 44120000 for maintenance and upgrades.
Applications
- Industrial power distribution boards requiring high-level surge protection
- Commercial buildings with sensitive electrical and electronic equipment
- New electrical installations and retrofit projects in TN and TT systems
- Critical infrastructure requiring reliable transient overvoltage defence
- Renewable energy systems and power generation facilities
Frequently Asked Questions
What type of earthing systems is this SPD suitable for?
The SPD K1-1PG is designed for use in TT and TNS (TN-S) earthing systems, providing effective surge protection tailored to these configurations.
How does the indication system work?
The unit features a green indicator that shows the SPD is functioning correctly. If the indicator is not green, it signals that the SPD needs to be replaced.
Can this SPD be installed on a DIN rail?
Yes, the SPD is designed for easy DIN rail mounting, facilitating quick installation and replacement.
What is the maximum backup fuse rating for this SPD?
The maximum backup fuse rating is 315 A [gG], ensuring proper coordination and protection.
Common Search Terms
surge protection device, SPD Type 1+2, neutral surge protector, DIN rail SPD, transient voltage protector, industrial surge protection, K1-1PG, power line SPD, lightning impulse current SPD
| Manufacturer Part Number | 44120100 |
|---|---|
| Packed Quantity | 1 |
| Manufacturer | Mersen |
| Number of Poles | 1 Pole |
| Voltage | Neutral to Earth |
| Maximum Continuous Voltage | 255V |
| Nominal Discharge Current | 50Ka |
| Alternative Product SKU | K1-1PG |
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