DC SPDs T2 SLP40 PV/DC series

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DC Surge Protective Device T2 Class C SLP40 PV/DC series


For Photovoltaic PV solar and DC applications T2 Class C,

In/Imax (8/20μs): 20kA/40 kA, with changeover contact.

  • Plug-in module design, easy replacement.
  • Visual Indication: Green=OK, Red=Replace.
  • Remote alarm contact to make status monitoring easy.
  • Quick thermal response for self-protection.
  • Voltage protection level (Up): <5.2kV.
  • T2, Class C, Class II, In(8/20μs): 20kA, Imax(8/20μs): 40kA.
  • Ucpv: 600Vdc/1000Vdc/1200Vdc/1500Vdc.
  • Uc: 24Vdc/36Vdc/75Vdc.

DC Surge Protective Device T2 Class C SLP40 are suitable for photovoltaic applications. These SPDs are designed and tested according to PV T2 classification from EN 50539-11 standard.

Indication front window helps users to know the status of the device and remote-signal port is able to provide remote indication and alarm.

Plug-in module design makes it convenient to change module without device disconnection.

General parameters
Designed and suitable for photovoltaic applications
Modular devices, plug-in module design
Indication window helps users to know the status of device
Optional remote-signaling contact
Electrical parameters

SLP40-DCxxx/2(S)

24 / 36 / 75V

SLP40-PVxxx/2(S)

600V

SLP40-PVxxx/3(S)

1000 / 1200 / 1500V

SPD according to

EN 50539-11:2013

Type 2 / Class II
TechnologyMOV (Varistor)
Protection functionthermal
Protection mode

+ → PE

− → PE

+ ↔ –

Connection configurationUY
Rated operational DC voltage Un12 V24 V48 V
Max. continuous op. DC voltage Uc

+ → PE, − → PE

+ ↔ –

24 V

24 V

36 V

36 V

75 V

75 V

600 V

600 V

1000 V

1000 V

1200 V

1200 V

1500 V

1500 V

Max. system voltage Uoc max

(according to general design rules

IEC 62548, IEC/HD 60364-7-712)

24 V36 V75 V600 V1000 V1200 V1500 V
Nominal frequency fDC
Nominal discharge current In (8/20 μs)20 kA
Max discharge current Imax (8/20 μs)40 kA
Protection voltage Up at In

+ → PE, − → PE

+ ↔ –

0.3 kV

0.3 kV

0.3 kV

0.3 kV

0.3 kV

0.3 kV

2.2 kV

2.2 kV

4.0 kV

4.0 kV

4.4 kV

4.4 kV

5.2 kV

5.2 kV

Number of ports1
Remote contact (optional)1 changeover contact
Remote signalling alarming mode

Normal: closed;

Failure: open-circuit

Protection functionOvercurrent
Remote contact op. voltage / current

AC Umax / Imax

DC Umax / Imax

250 V AC / 0.5 A

250V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A

Mechanical parameters
Device length90 mm
Device width36, 54 mm
Device height67 mm
Method of mountingfixed
Operating state / fault indicationgreen / red
Degree of protectionIP 20
Cross-sectional area (min.)1.5 mm2 solid /flexible
Cross-sectional area (max.)35 mm2 stranded / 25 mm2 flexible
For mounting on35 mm DIN rail acc. to EN 60715
Enclosure materialthermoplastic
Place of installationinstallation indoor
Range of operating temperatures Tu-40 °C … +70 °C
Atmospheric pressure and altitude80k Pa … 106k Pa, -500 m … 2000 m
Humidity range5% … 95%
Cross-sectional area for remote

signalling terminals

max. 1.5 mm2 solid / flexible
AccessibilityInaccessible

FAQ

Q1: Selection of surge protector

Al: The grading of the surge protector (commonly known as lightning protection) Is assessed according to the EN 50539 subdivision lightning protection theory, which is installed at the junction of the partition. Technical requirements and functions differ. The first-stage lightning protection device is installed between the 0-1 zone, high for the flow requirement, the minimum requirement of EN 50539-11 is 12.5 ka (10/350), and the second and third levels are installed between the 1-2 and 2-3 zones, mainly to suppress the overvoltage.

Q2: Are you a lightning surge protectors factory or lightning surge protectors trading company?

A2: We are lightning surge protectors manufacturer.

Q3: Warranty and services:

A3:1. Warranty 5 years

2. lightning surge protectors products and accessories have been tested 3 times before ship out.

3. We own the best after-sale service team, if any problem happens, our team will do our best to solve it for you.

Q4: How can I get some lightning surge protectors samples?

A4: We are honored to offer you lightning surge protectors samples, pis contact our staff and leave detailed contact information, we promise to keep your information confidential.

Q5: Is sample available and free?

AS: Sample is available, but the sample cost should be payable by you. The cost of the sample will be refunded after further order.

Q6: Do you accept customized order?

A6: Yes, we do.

Q7: What’s the delivery time?

A7: It usually takes 7-15days after confirming payment, but specific time should be based on the order quantity.

Packaging & Shipping

Packaging & Shipping

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