Distribution board – NOARK – SH-50 AC
| Manufacturer | |
|---|---|
| Weight | 2,8 kg |
| CN | 85371010 |
Incl. VAT
Product details
| Manufacturer | |
|---|---|
| Weight | 2,8 kg |
| CN | 85371010 |
Noark SH-50 AC
The Noark SH-50 AC distribution box from the STANDARD series is a modular type 1+2 (class B+C) solution designed to protect both alternating current (AC) and direct current (DC) installations. It features an IP65 protection rating, UV resistance, and a 5-year warranty, providing reliability and safety.
Key features of the Noark SH-50 AC:
- Type of protection: AC/DC surge protection device type 1+2 (class B+C), compliant with IEC/EN 60898-1 and IEC/EN 60947-2.
- Electrical specifications: Rated voltage 230/415 V AC, rated impulse withstand voltage (Uimp) 6 kV, rated short-circuit making capacity 6 kA (IEC) / 10 kA (EN).
- Fitted arrester: Noark Ex9UE1+2 12.5 3PN 275, with a maximum impulse current of 12.5 kA (10/350 μs) and a discharge current of 50 kA (8/20 μs).
- Construction: Modular enclosure with dimensions 144.00 | 319.00 | 259.00 mm, IP65 protection, IK08 impact resistance, and UV resistance.
- Durability and safety: Mechanical endurance 20,000 operations, electrical endurance 10,000 operations, top or bottom cable entry, ready to connect.
- Warranty and materials: 5-year warranty, enclosure made of recyclable, halogen-free plastic.
Who is this a good choice for?
This product is ideal for photovoltaic installations as well as residential and commercial buildings where surge protection is required in both AC and DC circuits. The high IP65 rating and UV resistance make it suitable for outdoor use, and the modular design simplifies installation and maintenance.
| ELECTRICAL AND MECHANICAL ENCLOSURE SPECIFICATIONS | |
|---|---|
| Enclosure dimensions without glands and MC4 (L|W|H) (mm) | 144.00 | 319.00 | 259.00 |
| Compliant with | EN 60670-1, EN 62208 |
| Ingress protection | IP65 |
| Protection class | II |
| Rated insulation voltage U₁ (V) | 400 V AC, 1500 V DC |
| Glow-wire test (°C) | 650°C |
| Impact resistance | IK08 |
| UV resistant | Yes |
| Recyclable plastic | halogen-free |
| Operating temperature (°C) | -25°C+60ºC |
| BASIC PARAMETERS AC SIDE | |
| Manufacturer / Model | Noark / Ex9BN 3P B40 |
| Rated current (A) | 40A; 3-F |
| Used overcurrent circuit breaker (MCB) | Noark / Ex9BN 3P B40 |
| Rated operational voltage Ue (V) | 230/415 V AC |
| Rated operational voltage Ue per pole (V) | 72 V DC per pole (1P, 2P); 48 V DC per pole (3P, 4P) |
| Minimum voltage (V) | 12 V AC/DC |
| Rated impulse withstand voltage Uimp according to IEC 60898-1 (kV) | 6 kV |
| Rated impulse withstand voltage Uimp according to IEC 60947-2 (kV) | 6 kV |
| Rated short-circuit making capacity Icn according to IEC 60898-1 (kA) | 6 kA |
| Rated short-circuit making capacity Icn according to IEC 60947-2 (kA) | 10 kA |
| Rated insulation voltage U₁ (V) | 690 V AC |
| Number of poles | 3 |
| Frequency (Hz) | 50/60 Hz |
| Tripping characteristic | B |
| Compliant with | IEC/EN 60898-1, IEC/EN 60947-2 |
| Mechanical endurance (operations) | 20 000 |
| Electrical endurance (operations) | 10 000 |
| Energy limiting class | 3 |
| Utilization category | A |
| Direction of supply | Any (top or bottom) |
| AC PARAMETERS | |
| Manufacturer / Model | Noark Ex9UE1+2 12.5 3PN 275 |
| Applied AC surge protector (SPD) | Type 1+2 (class I+II, B+C, T1+T2) |
| Connection | L-N/PE N-PE |
| Compliant with | EN 61643-11 |
| Internal components | MOV (varistor) GDT (gas discharge tube) |
| Nominal voltage Un (V) | 230 V AC |
| Reference test voltage UREF (V) | 255 V AC |
| Continuous operating voltage Uc (V) | 275 V AC 255 V AC |
| Frequency f | 25 kA per pole 50 kA per pole |
| Maximum impulse current limp (10/350 μs) (kA) | 12.5 kA per pole 50 kA per pole |
| Maximum discharge current Imax (8/20 μs) (kA) | 50 kA per pole |
| Voltage protection level Up at current In (kV) | 1.5 kV 1.5 kV |
| Voltage protection level Up at current Imax (kV) | 1.8 kV 1.8 kV |
| Voltage protection level Up for 5 kA (8/20 µs) (kV) | 1 kV |
| N-PE follow current extinguishing capacity Ifi (s) | 100 A |
| 5 s | 335 V 335 V |
| 200 ms | 335 V 1200 V |
| Leakage current IPE at UREF | ≤ 1 mA |
| Protective device voltage at 1 mA | 387 – 473 V |
| Response time (ns) | ≤ 25 ns ≤ 100 ns |
| Maximum back-up fuse (A) | 160 A gG |
| Short-circuit withstand capacity (kA) | 50kA |
| Short-circuit current rating IsCCR (kA) | 10kA |
| Current factor k | 1 kA |
| LV system type | TN-S, TT (3+1) |

