DC SPDs T2 SLP40 series

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DC Surge Protector Device T2 Class C SLP40 DC series


For Photovoltaic PV solar and DC applications T2 Class C, In/Imax (8/20μs): 20kA/40kA, 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): 0.39kV/0.45kV/0.5kV/0.62kV/0.9kV/1.2kV/1.4kV.
  • T2, Class C, Class II, In(8/20μs): 20kA, Imax(8/20μs): 40kA.
  • Ucdc: 100Vdc/125Vdc/150Vdc/180Vdc/275Vdc/350Vdc/460Vdc.

DC Surge Protective Device T2 Class C SLP40 is suitable for photovoltaic applications. These SPDs are designed and tested according to DC T2 classification from IEC 61643-11 / EN 61643-11 / EN 50539-11 standard.

The 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 modules without device disconnection.

SLP40-DCXXX/2(S)100125150180275350460
IEC Electrical
Rated Operational DC Voltage Uo / Un75 V95 V115 V150 V210 V275 V350 V
Maximum Continuous Operating DC Voltage

(DC+) – PE, (DC-) – PE Uc

(DC+) – (DC-) Uc

100 V

200 V

125 V

250 V

150 V

300 V

180 V

360 V

275 V

550 V

350 V

700 V

460 V

920 V

Nominal Discharge Current (8/20 μs) In20 kA
Total Discharge Current (810/20 μs) ITotal40 kA
Max. System Voltage Uoc100 V125 V150 V180 V275 V350 V460 V
Maximum Discharge Current (8/20 μs) IMaxl40 kA
Voltage Protection Level Up390 V450 V500 V620 V900 V1200 V1400 V
Response Time tA< 25 ns
Number of Ports1
Mechanical & Environmental
Operating Temperature Range Ta-40 ºF to +158 ºF [-40 ºC to +70 ºC]
Permissible Operating Humidity RH5%…95%
Atmospheric pressure and altitude80k Pa … 106k Pa / -500 m … 2000 m
Terminal Screw Torque Mmax39.9 Ibf·in [4.5 Nm]
Conductor Cross Section (max)

2 AWG (Solid, Stranded) / 4 AWG (Flexible)

35 mm2 (Solid, Stranded) / 25 mm2 (Flexible)

Mounting35 mm DIN Rail, EN 60715
Degree Of ProtectionIP 20 (built-in)
Housing MaterialThermoplastic: Extinguishing Degree UL 94 V-0
Thermal ProtectionYes
Operating State / Fault IndicationGreen ok / Red defect
Remote Contacts (RC)Optional
RC Switching CapacityAC: 250V / 0.5 A; DC: 250V / 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)
Order Information
Order Code100125150180275350460
SLP40 -DCXXX/24010021401252140125214018021402752540350214046021
SLP40 -DCXXX/2S (with remote contacts)4010022401252140125214018022402752640350224046022
SLP40 -DCXXX/0 (spare modules)4010002401252140150024018002402750240350024046002

FAQ

Q1: Selection of surge protector

Al: The grading of the DC Surge Protector Device T2 (commonly known as lightning protection) Is assessed according to the IEC 61643-11 / EN 61643-11 / 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 IEC 61643-11 / EN 61643-11 / EN 50539 is 40 ka (8/20), 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 a 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 the 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 a specific time should be based on the order quantity.

Packaging & Shipping

Packaging & Shipping

We promise to reply within 24 hours and ensure that your mailbox will not be used for any other purpose.

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