WengYang Industrial Zone Yueqing Wenzhou 325000
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM
VSP1S40 series
Location of Use : Sub-Distribution Boards
Network Systems : 1S：TN-S / TN-C / TT
2S/4S ：TN-S
3S： TN-C (3S)
Mode of Protection: 1S: L-PE + N-PE + L-PEN + L-N
2S / 4S: L-PE + N-PE
3S: L-PEN
Surge Ratings: I = 20 kA (8/20 µs)
n
IEC/EN Category : Class II / Type 2
Protective Elements: High Energy MOV
Housing: Pluggable Design
Compliance : IEC 61643-11
EN 61643-11
VSP1S40-XXX/1(S), VSP1S40-XXX/2(S), VSP1S40-XXX/3(S), VSP1S40-XXX/4(S)
Location of Use: Sub-Distribution Boards • Network Systems: TT, TN-S, TN-C • Mode of Protection: L-N, L-PE, N-PE
The voltage grade
75 V
is only available for models VSP1S40-XXX/1(S) and VSP1S40-XXX/2(S).
75 V
is only available for models VSP1S40-XXX/1(S) and VSP1S40-XXX/2(S).
IEC Electrical Data
| Parameter | 75 V | 150 V | 275 V | 320 V | 385 V | 440 V |
|---|---|---|---|---|---|---|
|
Nominal AC Voltage (50/60 Hz) — U o /U n | 60 V | 120 V | 230 V | 230 V | 230 V | 400 V |
|
Max. Continuous Operating Voltage (AC) — U c | 75 V | 150 V | 275 V | 320 V | 385 V | 440 V |
|
Nominal Discharge Current (8/20 µs) — I n | 20 kA | 20 kA | 20 kA | 20 kA | 20 kA | 20 kA |
|
Maximum Discharge Current (8/20 µs) — I max | 40 kA | 40 kA | 40 kA | 40 kA | 40 kA | 40 kA |
|
Voltage Protection Level — U p | 400 V | 1000 V | 1500 V | 1600 V | 1800 V | 2000 V |
|
Residual Current at U c — I PE | < 0.5 mA | |||||
|
Response Time — t A | < 25 ns | |||||
| Back-Up Fuse (max) | 125 A gL / gG | |||||
|
Short-Circuit Current Rating (AC) — I SCCR | 25 kA | |||||
|
TOV Withstand 5 s — U T | 90 V | 180 V | 335 V | 335 V | 440 V | 580 V |
|
TOV Withstand 120 min — U T | 115 V | 230 V | 440 V | 440 V | 440 V | 765 V |
| TOV Mode | Withstand | Withstand | Safe Fail | Safe Fail | Safe Fail | Safe Fail |
Mechanical & Environmental Data
| Parameter | Value | |||||
|---|---|---|---|---|---|---|
|
Operating Temperature Range — T a | -40 °F to +158 °F [-40 °C to +70 °C] | |||||
| Permissible Operating Humidity — RH | 5% … 95% | |||||
| Atmospheric Pressure / Altitude | 80 kPa … 106 kPa / -500 m … 2000 m | |||||
|
Terminal Screw Torque — M max | 39.9 lbf·in [4.5 Nm] | |||||
| Conductor Cross Section (max) | 2 AWG (Solid, Stranded) / 4 AWG (Flexible) — 35 mm² (Solid, Stranded) / 25 mm² (Flexible) | |||||
| Mounting | 35 mm DIN Rail, EN 60715 | |||||
| Degree of Protection | IP 20 (built-in) | |||||
| Housing Material | Thermoplastic: Extinguishing Degree UL 94V-0 | |||||
| Thermal Protection | Yes | |||||
| Operating State / Fault Indication | Green OK / Red Defect | |||||
| Remote Contacts (RC) | Optional | |||||
| RC Switching Capacity | AC: 250 V / 0.5 A; DC: 250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A | |||||
| RC Conductor Cross Section (max) | 16 AWG (Solid) / 1.5 mm² (Solid) | |||||
Internal Configuration & Connection Diagrams
L — Line Conductor Terminal
N — Neutral Conductor Terminal
PE — Ground Conductor Terminal
S — Signalling Contacts (Optional)
VSP1S40-XXXX/1S — TN-S, TN-C, TT (Single-phase, 1+0)
Terminals: L, N, PE, S (11-12-14)
Wiring:
Phase conductor → L terminal
Neutral conductor → N terminal
Ground conductor → PE terminal
Signal contacts → S (11, 12, 14) [Remote contact, optional]
Internal Configuration:
MOV between L and N (F1 path)
MOV between L/N and PE (F2 path)
Backup Fuse:
F1 (L): In series with Line conductor
F2 (L/N): Between L-N and PE junction
Protection Mode: L-N, N-PE
Wiring:
Phase conductor → L terminal
Neutral conductor → N terminal
Ground conductor → PE terminal
Signal contacts → S (11, 12, 14) [Remote contact, optional]
Internal Configuration:
MOV between L and N (F1 path)
MOV between L/N and PE (F2 path)
Backup Fuse:
F1 (L): In series with Line conductor
F2 (L/N): Between L-N and PE junction
Protection Mode: L-N, N-PE
VSP1S40-XXXX/2S — TN-S (Single-phase, 2+0)
Terminals: L, N, PE, S (11-12-14)
Wiring:
Phase conductor → L terminal
Neutral conductor → N terminal
Ground conductor → PE terminal
Signal contacts → S (11, 12, 14) [Remote contact, optional]
Internal Configuration:
Dual MOV modules: MOV1 (L’ → L), MOV2 (N’ → N)
L and N each independently referenced to PE
Backup Fuse:
F1 (L’): In series with L’ conductor
F2 (N’): In series with N’ conductor
Protection Mode: L-PE, N-PE
Wiring:
Phase conductor → L terminal
Neutral conductor → N terminal
Ground conductor → PE terminal
Signal contacts → S (11, 12, 14) [Remote contact, optional]
Internal Configuration:
Dual MOV modules: MOV1 (L’ → L), MOV2 (N’ → N)
L and N each independently referenced to PE
Backup Fuse:
F1 (L’): In series with L’ conductor
F2 (N’): In series with N’ conductor
Protection Mode: L-PE, N-PE
VSP1S40-XXXX/3(S) — TN-C (Three-phase, 3+0)
Terminals: L1, L2, L3, PEN, PE, S (11-12-14)
Wiring:
Phase A conductor → L1 terminal
Phase B conductor → L2 terminal
Phase C conductor → L3 terminal
Combined PEN conductor → PEN terminal
Ground conductor → PE terminal
Signal contacts → S (11, 12, 14) [Remote contact, optional]
Internal Configuration:
Three MOV modules (one per phase), all connected in parallel to PEN
L1, L2, L3 fused via F1 (L1′, L2′, L3′) then referenced to PEN/PE
Backup Fuse:
F1: Three-pole fuse on L1′, L2′, L3′ input lines
Protection Mode: L-PEN (3+0 circuit, TN-C network)
Wiring:
Phase A conductor → L1 terminal
Phase B conductor → L2 terminal
Phase C conductor → L3 terminal
Combined PEN conductor → PEN terminal
Ground conductor → PE terminal
Signal contacts → S (11, 12, 14) [Remote contact, optional]
Internal Configuration:
Three MOV modules (one per phase), all connected in parallel to PEN
L1, L2, L3 fused via F1 (L1′, L2′, L3′) then referenced to PEN/PE
Backup Fuse:
F1: Three-pole fuse on L1′, L2′, L3′ input lines
Protection Mode: L-PEN (3+0 circuit, TN-C network)
VSP1S40-XXXX/4(S) — TN-S (Three-phase, 4+0)
Terminals: L1, L2, L3, N, PE, S (11-12-14)
Wiring:
Phase A conductor → L1 terminal
Phase B conductor → L2 terminal
Phase C conductor → L3 terminal
Neutral conductor → N terminal
Ground conductor → PE terminal
Signal contacts → S (11, 12, 14) [Remote contact, optional]
Internal Configuration:
Three MOV modules (L1, L2, L3), all connected in parallel to N
N referenced to PE
Backup Fuse:
F1: Five-pole fuse block on L1′, L2′, L3′, N’, PE’ input lines
Protection Mode: L-N, N-PE (4+0 circuit, TN-S network)
Wiring:
Phase A conductor → L1 terminal
Phase B conductor → L2 terminal
Phase C conductor → L3 terminal
Neutral conductor → N terminal
Ground conductor → PE terminal
Signal contacts → S (11, 12, 14) [Remote contact, optional]
Internal Configuration:
Three MOV modules (L1, L2, L3), all connected in parallel to N
N referenced to PE
Backup Fuse:
F1: Five-pole fuse block on L1′, L2′, L3′, N’, PE’ input lines
Protection Mode: L-N, N-PE (4+0 circuit, TN-S network)
VSP1S40/1(S)+1 & VSP1S40/3(S)+1
Class II • Type 2 • Location of Use: Sub-Distribution Boards • Network Systems: TT, TN-S •
Mode of Protection: L-N, N-PE • Surge Ratings: I
n
= 20 kA (8/20 µs)
Protective Elements: High Energy MOV and GDT • Housing: Pluggable Design • Compliance: IEC 61643-11 / EN 61643-11
The voltage grade
75 V
is only available for model VSP1S40/1(S)+1.
75 V
is only available for model VSP1S40/1(S)+1.
IEC Electrical Data
| Parameter | 75 V | 150 V | 275 V | 320 V | 385 V | 440 V |
|---|---|---|---|---|---|---|
| Nominal AC Voltage (50/60 Hz) | 60 V | 120 V | 230 V | 230 V | 230 V | 400 V |
|
Max. Continuous Operating Voltage (L-N) — U c | 75 V | 150 V | 275 V | 320 V | 385 V | 440 V |
|
Max. Continuous Operating Voltage (N-PE) — U c | 255 V | |||||
|
Nominal Discharge Current (8/20 µs) (L-N) / (N-PE) — I n | 20 kA / 20 kA | |||||
|
Maximum Discharge Current (8/20 µs) (L-N) / (N-PE) — I max | 40 kA / 40 kA | |||||
|
Voltage Protection Level (L-N) / (N-PE) — U p | 0.4 kV / 1.5 kV | 1.0 kV / 1.5 kV | 1.5 kV / 1.5 kV | 1.6 kV / 1.5 kV | 1.8 kV / 1.5 kV | 2.0 kV / 1.5 kV |
|
Follow Current Interrupt Rating (N-PE) — I fi |
100 A RMS | |||||
|
Residual Current at U c — I PE | none | |||||
|
Response Time (L-N) / (N-PE) — t A | < 25 ns / < 100 ns | |||||
| Back-Up Fuse (max) | 125 A gL / gG | |||||
|
Short-Circuit Current Rating (AC) (L-N) — I SCCR | 25 kA | |||||
|
TOV Withstand 5 s (L-N) — U T | 90 V | 180 V | 335 V | 335 V | 440 V | 580 V |
|
TOV Withstand 120 min (L-N) — U T | 115 V | 230 V | 440 V | 440 V | 440 V | 765 V |
| TOV Mode (L-N) | Withstand | Withstand | Safe Fail | Safe Fail | Safe Fail | Safe Fail |
|
TOV Withstand 200 ms (N-PE) — U T | 1200 V | |||||
Mechanical & Environmental Data
| Parameter | Value | |||||
|---|---|---|---|---|---|---|
|
Operating Temperature Range — T a | -40 °F to +158 °F [-40 °C to +70 °C] | |||||
| Permissible Operating Humidity — RH | 5% … 95% | |||||
| Atmospheric Pressure / Altitude | 80 kPa … 106 kPa / -500 m … 2000 m | |||||
|
Terminal Screw Torque — M max | 39.9 lbf·in [4.5 Nm] | |||||
| Conductor Cross Section (max) | 2 AWG (Solid, Stranded) / 4 AWG (Flexible) — 35 mm² (Solid, Stranded) / 25 mm² (Flexible) | |||||
| Mounting | 35 mm DIN Rail, EN 60715 | |||||
| Degree of Protection | IP 20 (built-in) | |||||
| Housing Material | Thermoplastic: Extinguishing Degree UL 94V-0 | |||||
| Thermal Protection | Yes | |||||
| Operating State / Fault Indication | Green OK / Red Defect | |||||
| Remote Contacts (RC) | Optional | |||||
| RC Switching Capacity | AC: 250 V / 0.5 A; DC: 250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A | |||||
| RC Conductor Cross Section (max) | 16 AWG (Solid) / 1.5 mm² (Solid) | |||||
Internal Configuration & Connection Diagrams
L — Line Conductor Terminal
N — Neutral Conductor Terminal
PE — Ground Conductor Terminal
S — Signalling Contacts (Optional)
VSP1S40/1(S)+1 — TN-S, TT (Single-phase, 1+1)
Terminals: L, N, PE, S (11-12-14)
Wiring:
Phase conductor → L terminal
Neutral conductor → N terminal
Ground conductor → PE terminal
Signal contacts → S (11, 12, 14) [Remote contact, optional]
Internal Configuration:
MOV module between L and N (F1 path: L → L’)
GDT module between N and PE (F2 path: N → N’)
Backup Fuse:
F1 (L): In series with L conductor (MOV protection)
F2 (N): In series with N conductor (GDT protection)
Protection Mode: L-N (MOV), N-PE (GDT)
Wiring:
Phase conductor → L terminal
Neutral conductor → N terminal
Ground conductor → PE terminal
Signal contacts → S (11, 12, 14) [Remote contact, optional]
Internal Configuration:
MOV module between L and N (F1 path: L → L’)
GDT module between N and PE (F2 path: N → N’)
Backup Fuse:
F1 (L): In series with L conductor (MOV protection)
F2 (N): In series with N conductor (GDT protection)
Protection Mode: L-N (MOV), N-PE (GDT)
VSP1S40/3(S)+1 — TN-S, TT (Three-phase, 3+1)
Terminals: L1, L2, L3, N, PE, S (11-12-14)
Wiring:
Phase A conductor → L1 terminal
Phase B conductor → L2 terminal
Phase C conductor → L3 terminal
Neutral conductor → N terminal
Ground conductor → PE terminal
Signal contacts → S (11, 12, 14) [Remote contact, optional]
Internal Configuration:
Three MOV modules (L1, L2, L3), all connected in parallel to N (F1 path: L1′, L2′, L3′, N’)
GDT module between N and PE (F2 path: L1, L2, L3, N referenced to PE)
Backup Fuse:
F1: Four-pole fuse on L1′, L2′, L3′, N’ input lines (MOV protection)
F2: Four-pole fuse on L1, L2, L3, N lines (GDT protection)
Protection Mode: L-N (MOV), N-PE (GDT)
Wiring:
Phase A conductor → L1 terminal
Phase B conductor → L2 terminal
Phase C conductor → L3 terminal
Neutral conductor → N terminal
Ground conductor → PE terminal
Signal contacts → S (11, 12, 14) [Remote contact, optional]
Internal Configuration:
Three MOV modules (L1, L2, L3), all connected in parallel to N (F1 path: L1′, L2′, L3′, N’)
GDT module between N and PE (F2 path: L1, L2, L3, N referenced to PE)
Backup Fuse:
F1: Four-pole fuse on L1′, L2′, L3′, N’ input lines (MOV protection)
F2: Four-pole fuse on L1, L2, L3, N lines (GDT protection)
Protection Mode: L-N (MOV), N-PE (GDT)
Dimensions & Packaging
Individual module dimensions and multi-pole configurations for all models in the SLP40 series.
| VSP1S40/1S — Width 28 mm | VSP1S40/1S — Height 34.5 mm | VSP1S40/1S — Depth 65.8 mm |
| VSP1S40/2S — Width 36 mm | VSP1S40/2S — Height 34.5 mm | VSP1S40/2S — Depth 65.8 mm |
| VSP1S40/3S — Width 49 mm | VSP1S40/3S — Height 34.5 mm | VSP1S40/3S — Depth 65.8 mm |
| VSP1S40/4S — Width 72 mm | VSP1S40/4S — Height 34.5 mm | VSP1S40/4S — Depth 65.8 mm |
| VSP1S40/1(S)+1 — Width 28 mm | VSP1S40/1(S)+1 — Height 34.5 mm | VSP1S40/1(S)+1 — Depth 65.8 mm |
| VSP1S40/3(S)+1 — Width 54 mm | VSP1S40/3(S)+1 — Height 34.5 mm | VSP1S40/3(S)+1 — Depth 65.8 mm |
| DIN Rail Pitch 45 mm | Terminal Height Offset 12.3 mm | Module Body Width 9 mm per pole |
All dimensions are nominal. Multi-pole units use standard 9 mm per pole pitch on 35 mm DIN rail (EN 60715).
Height: 34.5 mm (body) × 49 mm (overall). Depth: 65.8 mm (overall including terminals).
Terminal block offset: 12.3 mm. Common pitch: 18 mm (2-pole equivalent).
Order Information
| Model | Description | Voltage Grades Available | Network System | Poles |
|---|---|---|---|---|
| VSP1S40-XXX/1S | Type 2 SPD, single-phase 1+0 | 75, 150, 275, 320, 385, 440 | TN-S, TN-C, TT | 1 |
| VSP1S40-XXX/2S | Type 2 SPD, single-phase 2+0 | 75, 150, 275, 320, 385, 440 | TN-S | 2 |
| VSP1S40-XXX/3S | Type 2 SPD, three-phase 3+0 | 150, 275, 320, 385, 440 | TN-C | 3 |
| VSP1S40-XXX/4S | Type 2 SPD, three-phase 4+0 | 150, 275, 320, 385, 440 | TN-S | 4 |
| VSP1S40/1(S)+1 | Type 2 SPD, single-phase 1+1 (L-N, N-PE) | 75, 150, 275, 320, 385, 440 | TT, TN-S | 1+1 |
| VSP1S40/3(S)+1 | Type 2 SPD, three-phase 3+1 (L-N, N-PE) | 150, 275, 320, 385, 440 | TT, TN-S | 3+1 |
Ordering Example:
VSP1S40-275/4S = 275 V rated, 4-pole (4+0), Type 2 SPD for TN-S three-phase systems.
N-PE variants:
VSP1S40/3(S)+1-275 = 275 V rated, 3+1 configuration with GDT N-PE protection for TT/TN-S systems.
RC option:
Append “(S)” suffix for remote signalling contacts (e.g. VSP1S40-275/4S with RC).
Product Label Reference
Each module is labelled with the following markings (example for 255 V variant):
Label Fields — VSP1S40 Series
KUANGYA VSP1S40-255 Surge Protective Device Ue: 255 V~ Uc: 255 V~ In: 20 kA Imax: 40 kA Up: 1.5 kV Class II / Type 2 IEC 61643-11 / EN 61643-11
Label Fields — VSP1S40/+1 Series
KUANGYA VSP1S40-255 Surge Protective Device L-N: Uc: 255 V~ N-PE: Uc: 255 V~ In: 20 kA Imax: 40 kA Up: 1.5 kV Class II / Type 2 IEC 61643-11 / EN 61643-11
