SUP1 AC family: 385 V / 20–40 kA table and connectionsdatasheet · EnglishManufacturer grid-components catalog, PDF pages 18–19 · product family
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Suntree SUP1-40 · 4P · Uc 385 V AC · 20 / 40 kA
Exact reference · SUP1-40-4P-385V
Four-module AC surge protector with L1, L2, L3 and N connections. Uc 385 V AC, In 20 kA, Imax 40 kA and Up ≤ 1.8 kV. Connected in parallel with separate backup protection; it is neither a circuit breaker nor a residual-current device.
- Nominal discharge current In (8/20 µs)
- 20 kA
- Maximum discharge current Imax (8/20 µs)
- 40 kA
- Uc
- 385 V AC
- Up
- ≤ 1.8 kV
- Conductor arrangement
- L1 / L2 / L3 / N + PE
This record is the 385 V AC / 20–40 kA version shown on manufacturer hardware, not the 420 V version in another regional title. Uc is the maximum continuous voltage across the SPD terminals; it is not the AC supply’s line-to-line voltage. Select the connection for the installation’s earthing system.
Pricing confirmed by quote
Quote confirms reference and commercial terms; installation selection remains the installer’s responsibility.
Availability confirmed in your written quote
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01 · Product role
What this product does in the system.
Four-module AC surge protector with L1, L2, L3 and N connections. Uc 385 V AC, In 20 kA, Imax 40 kA and Up ≤ 1.8 kV. Connected in parallel with separate backup protection; it is neither a circuit breaker nor a residual-current device.
Relevant applications
- Commercial AC distribution
Why ReneWave may shortlist it
- Four-module AC surge protector with L1, L2, L3 and N connections. Uc 385 V AC, In 20 kA, Imax 40 kA and Up ≤ 1.8 kV. Connected in parallel with separate backup protection; it is neither a circuit breaker nor a residual-current device.
What changes in practice
- The four-module assembly connects L1, L2, L3 and N to the surge-protection branch with a separate PE connection. It does not switch these conductors or interrupt the load; the earthing-system connection must match the supplied drawing.
- In is the nominal surge-discharge current and Imax the maximum surge-discharge current, both for an 8/20 µs pulse. They are not a 40 kA breaker rating. Coordinate backup protection, earth bonding and equipment impulse withstand; a rated backup fuse size is not established here.
- Surge diversion only. No overload, short-circuit or residual-current protection; no protection guarantee against a direct lightning strike. Keep the circuit’s isolation and overcurrent devices separate.
System position
Parallel surge diversion, not series interruption.
Surge diversion only. No overload, short-circuit or residual-current protection; no protection guarantee against a direct lightning strike. Keep the circuit’s isolation and overcurrent devices separate.
The circuit supplies the load; the SPD is connected in parallel, not in series with the load.
Read the technical explanation
Four-module AC surge protector with L1, L2, L3 and N connections. Uc 385 V AC, In 20 kA, Imax 40 kA and Up ≤ 1.8 kV. Connected in parallel with separate backup protection; it is neither a circuit breaker nor a residual-current device.
The four-module assembly connects L1, L2, L3 and N to the surge-protection branch with a separate PE connection. It does not switch these conductors or interrupt the load; the earthing-system connection must match the supplied drawing.
Surge diversion only. No overload, short-circuit or residual-current protection; no protection guarantee against a direct lightning strike. Keep the circuit’s isolation and overcurrent devices separate.
This record is the 385 V AC / 20–40 kA version shown on manufacturer hardware, not the 420 V version in another regional title. Uc is the maximum continuous voltage across the SPD terminals; it is not the AC supply’s line-to-line voltage. Select the connection for the installation’s earthing system.
02 · Specifications
Ratings, dimensions and practical consequence.
Device identity and surge ratings
- Manufacturer reference
SUP1-40
- Selected configuration
4P · Uc 385 V AC · In 20 kA / Imax 40 kA
- Circuit application
AC
- Catalog configuration ID
SUP1-40-4P-385V
- Nominal discharge current In (8/20 µs)
20 kA
- Maximum discharge current Imax (8/20 µs)
40 kA
- Uc
385 V AC
- Up
≤ 1.8 kV
- Conductor arrangement
L1 / L2 / L3 / N + PE
03 · Selection points
Four practical selection points.
Match the circuit, surge ratings, earth connection and backup protection.
- 01
Circuit and conductor arrangement
The four-module assembly connects L1, L2, L3 and N to the surge-protection branch with a separate PE connection. It does not switch these conductors or interrupt the load; the earthing-system connection must match the supplied drawing.
- 02
Voltage and surge ratings
This record is the 385 V AC / 20–40 kA version shown on manufacturer hardware, not the 420 V version in another regional title. Uc is the maximum continuous voltage across the SPD terminals; it is not the AC supply’s line-to-line voltage. Select the connection for the installation’s earthing system.
- 03
Separate backup protection
In is the nominal surge-discharge current and Imax the maximum surge-discharge current, both for an 8/20 µs pulse. They are not a 40 kA breaker rating. Coordinate backup protection, earth bonding and equipment impulse withstand; a rated backup fuse size is not established here.
- 04
Mounting and earth connection
35 mm DIN rail mounting inside a suitable enclosure. Keep the parallel conductors and PE connection short. Follow the supplied revision’s terminal drawing; isolate before replacing a module. A red status window calls for inspection and replacement, not automatic resetting.
04 · Documentation
Keep the exact reference traceable.
Published documents for this exact reference support selection and handover.
05 · Complete the system
Accessories and adjacent equipment, in one request.
Separate equipment is selected for the installation; no automatic companions are added to your request.
No automatic companion selection. Separate protection and accessories are chosen for the installation.
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