TPU7-40 DC Surge Protective Device (DC SPD) — DC 500V–1500V, Type II
Class II DC SPD, In 20kA / Imax 40kA, IEC 61643-31 -- built for distributors and wholesale PV component sourcing.
TPU7-40 Type II DC surge protective device, DC 500V–1500V, In 20kA / Imax 40kA, IEC 61643-31 — from a China DC SPD manufacturer.
Key Features
- Type II (Class II) protection against transient overvoltage from lightning and switching surges on the PV DC side.
- Wide voltage coverage: DC 500V / 600V / 1000V / 1500V for residential, commercial and utility-scale PV.
- High discharge capacity: In 20kA, Imax 40kA (8/20µs).
- Pluggable module design with a status indicator window for fast inspection and replacement.
- Sealed structure, fast response, stable performance, compact 35mm DIN-rail format.
- 2P and 3P versions to suit different grounding and system configurations.
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High-quality flame-retardant casing:Made from UL94V-0 rated flame-retardant material for enhanced fire safety and reliable protection.
TPU7-40 Surge Protector Manufacturer
TYPLE is the manufacturer of the TPU7-40, producing it in-house at our facility in Wenzhou, Zhejiang, China. Buying direct from the factory ensures stable pricing, consistent quality control and the flexibility to customise. For distributors, wholesalers and EPC contractors, this product forms part of a comprehensive PV and electrical portfolio — including DC SPDs, DC MCBs, DC MCCBs, DC fuses, DC isolators, PV connectors and AC-side components — enabling you to consolidate sourcing, reduce supplier complexity and shorten project lead times.
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OEM & private label:
customizable logo and printed parameters on the housing.
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Standards-aligned:
engineered to align with IEC 61643-31; component certificates available through TYPLE’s qualified supply-chain partners.
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One-stop sourcing:
pair the DC SPD with the rest of your PV DC and AC bill of materials in a single order.
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Reliable supply:
pre-sales selection support, custom solutions, and dependable delivery for repeat and project volumes.
DC SPD DC500V~DC1500V Description
| Technical data | |||||||
| Product Name | DC Surge protection device(SPD) | ||||||
| Model | TPU7-40 | ||||||
| Pole | 1P | 2P | 3P | ||||
| Rated Working Voltage Ue (V) | DC1000 | DC500 | DC600V | DC800 | DC1000 | DC1000 | DC1500 |
| Up(kV) | 3.6 | 2.2 | 2.2 | 2.5 | 3.6 | 3.6 | 5.3 |
| Size(mm) | 90*18*65 | 90*36*65 | 90*54*65 | ||||
| SPD Type | Type 2/Class ll | ||||||
| Technology | MOV(Metal Oxide Varistors) | ||||||
| Protection mode(s) | DC PE.DC~ | ||||||
| In (8/20)us | 20kA | ||||||
| Imax (8/20)us | 40kA | ||||||
| Response time tA | ≤25ns | ||||||
| Admissible short-circuit current Isccr | 25kA | ||||||
| Max.backup fuse | 63A gL/Gg | ||||||
| lightning Protection | Yes | ||||||
| Levels of Protection | IP20/IK10 | ||||||
| Flame Retardant | UL94V-0 | ||||||
| Component Standards | IEC 61643-31 | ||||||
| Housing Material | PA | ||||||
| Operating Temperature | -40℃ ~ 80℃ | ||||||
| Humidity | ≤95% | ||||||
| Altitude | 2000m | ||||||
| Installation | 35mm DIN Rail | ||||||
| Warranty | 18 months | ||||||
DC SPD Applications
The TPU7-40PV protects DC-side equipment in:
- Residential rooftop PV systems
- Commercial & industrial (C&I) PV systems
- Utility-scale / ground-mount PV plants
- DC distribution boxes and PV combiner boxes
