Surge-Trap® K - K1 LF Series
Surge-Trap® K - K1 LF Series with Leakage Current Free is a range of devices Type 1+2/Class I+II which are designed to protect electrical installations from lightning strikes (10/350 μs) and induced voltage surges (8/20 μs). Ideal for protection upstream of smart-meters (no losses).
Surge-Trap® K - K1 LF Series with Leakage Current Free is a range of devices Type 1+2/Class I+II which are designed to protect electrical installations from lightning strikes (10/350 μs) and induced voltage surges (8/20 μs). Ideal for protection upstream of smart-meters (no losses).
Product data sheets
- DS-Surge-Trap-K-K1-LF-EN
pdf - 2.12 MB
Brochures and Flyers
- BR-SPD-SURGE-TRAP-IEC-LIGHTNING-SURGE-PROTECTION-Mersen-EN
pdf - 15.75 MB
Compliance
- COM-CE-ROHS-declaration-STPK1-LF-SERIES
pdf - 119.48 KB
Key features & benefits
Suitable to be used as the first level of protection in the main switchboard. Additionally, they can be used in areas with high atmospheric exposure where external protection against direct lightning strikes are already provided.
Multi-certified range: IEC cert (DEKRA & ENEC) & UL Type 4CA cert
Lightning impulse current (10/350 μs): 12.5 kA per phase
Nominal discharge current (8/20 μs): 20 kA per phase
TT, TNC, TNS and isolated IT earthing systems. Uc 230V ideally for 277/480 V networks.
Visual and remote end of life indication.
Short-circuit current rating 25kA.
No back-up fuse up to 315A.
Reinforced plug-in DIN rail format.
New easy ergonomic extraction.
LCF Leakage current free T1+2 (no electrial loses).
Distributed PE & Equipotential EBB.
Shock withstand and vibration-proof.
Remote microswitch and DIN-rail anchorage.
Advanced traceability and in-line automated quality controls of 100% of the SPDs.
Applications
Building
Outdoor LED Lighting
Photovoltaic and BESS
E-Mobility - EV Charging
Industry
Telecom
Water treatment
Technical Specifications
| IEC SPD Type | Class I+II |
| UL SPD Type | Type 4 Component Assembly |
| Format | Pluggable |
| Flammability Rating | UL94 V-0 |
| Reach Compliant | Yes |
| Max Operating Temp. | 85 °C |
| Min Operating Temp. | -40 °C |
| UL File Number | E468946 |
| Degree of Protection (IP) | IP20 |
| Short Circuit Withstand (ISCCR) | 25 kA |
Reference Finder
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| Item number | AC or DC | Number of poles | Enclosure NEMA Type | Indication System | Product weight |
|---|---|---|---|---|---|
|
44120108 - K1-1P320LF See product
|
- | 1-Pole | - | Yes | 0.178kg |
|
44120109 - K1-1P320LF-M See product
|
- | 1-Pole | - | Yes | 0.167kg |
|
44120210 - K1-2PG320LF See product
|
- | 2-Pole | - | Yes | 0.345kg |
|
44120211 - K1-2PG320LF-M See product
|
- | 2-Pole | - | Yes | 0.36kg |
|
44120214 - K1-2P320LF See product
|
- | 2-Pole | - | Yes | 0.342kg |
|
44120215 - K1-2P320LF-M See product
|
- | 2-Pole | - | Yes | 0.345kg |
|
44120306 - K1-3P320LF See product
|
- | 3-Pole | - | Yes | 0.495kg |
|
44120307 - K1-3P320LF-M See product
|
- | 3-Pole | - | Yes | 0.52kg |
|
44120410 - K1-4PG320LF See product
|
- | 4-Pole | - | Yes | 0.63kg |
|
44120411 - K1-4PG320LF-M See product
|
- | 4-Pole | - | Yes | 0.58kg |