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VPM385-40 (1U) Series Type 2 1U SPD

  • Nominal discharge current In (8/20 s): 20 kA
  • Max. discharge current Imax (8/20 us): 40 kA
  • Max. continuous operating voltage Uc: AC 385 V
  • Selectable circuit protection modes: 3N+NPG/2P/3P
  • Utilizing high-performance metal oxide varistor (MOV) technology, the device offers high temporary overvoltage (TOV) withstand capability and provides excellent voltage limiting performance
  • 1U modular pluggable anti-loosening structure for simple installation and easy maintenance
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Application:

The product features a standard 1U height chassis design for rack mounting. It incorporates multiple globally pioneering technologies and has applied for numerous invention and utility model patents. With excellent grid adaptability, it is widely suitable for various electrical applications. Designed for installation in low-voltage distribution systems from LPZ0 to LPZ2 zones, it effectively protects sensitive electrical equipment against damage caused by direct lightning strikes or induced transient overvoltages.

Nomenclature:

VP □ □–□/□□ - 1U - N

1 2 3 4 5 6 7

SN

Name

Specification, type code

1

Design code

VP

2

Product Series

M

3

Max. continuous operating voltage Uc

275 V: AC 275 V; 385 V: AC 385 V

4

Max. Discharge Current Imax

40: 40 kA

5

Protection mode

1N+NPG: 1N+NPG; 3N+NPG: 3N+NPG

6

Structure

1U: 1U Plug-and-Play Anti-Detachment

7

Intelligent Features

N: Network

Example: VPM385-40/3N+NPG-1UN → Uc: AC 385V; Imax: 40 kA; Protection mode: 3N+NPG; Structure: 1U; Intelligent Features: N.

Technical parameters:

Model

VPM385-40/3N+NPG-1U

VPM385-40/3N+NPG-1UN

SPD according to EN/IEC 61643-11

Type 2

Type 2

Protection mode

3+1 mode

3+1 mode

Nominal operating voltage Un

AC 230/400 V 50/60 Hz

AC 230/400 V 50/60 Hz

Max. continuous operating voltage Uc

AC 385 V 50/60 Hz (MOV module Uc: 385 V 50/60 Hz, GDT module Uc: 255 V 50/60 Hz)

AC 385 V 50/60 Hz (Uc: 385 V 50/60 Hz for the pressure-sensitive module, Uc: 255 V 50/60 Hz for the discharge tube module)

Nominal discharge current In (8/20 μs)

20 kA

20 kA

Max. discharge current Imax (8/20 μs)

40 kA

40 kA

Voltage protection level Up

L-N ≤ 1.8 kV, N-PE ≤ 1.0 kV

L-N ≤ 1.7 kV, N-PE ≤ 1.0 kV

Leakage current

≤ 20 μA

≤ 20 μA

Response time

L-N ≤ 25 ns, N-PE ≤ 100 ns

L-N ≤ 25 ns, N-PE ≤ 100 ns

Normal/Fault Indication

Green/Red

Green/Red

Remote signaling mode

RSC: Remote Signal contact, NC-COM contact

RSC: Remote Signal contact, NC-COM contact

Performances of remote signal contact

AC: 250 V/0.5 A; DC: 250 V/0.1 A, 125 V/0.2 A, 75 V/0.5 A

AC: 250 V/0.5 A; DC: 250 V/0.1 A, 125 V/0.2 A, 75 V/0.5 A

Remote cross-sectional area

Max. 1.5 mm2

Max. 1.5 mm2

Installation method

Fixed with 4-M3* × 8 screws

Plug-in type: The rear end connector is 2.0 ± 0.1 mm thick

Housing material

PA66 UL94-V0

PA66 UL94-V0

Protection class

IP20

IP20

Outline dimensions (without terminal)

138 mm × 48 mm × 40 mm (tolerance ± 1 mm)

123.5 mm × 76 mm × 40 mm (tolerance ± 1 mm)

Module pluggable

Pluggable module (for easy replacement of pressure sensitive module on panel)

/

Internal protection device

The lightning protection unit has a built-in thermal trip device.

The lightning protection unit has a built-in thermal trip device.

Access wire terminal

DBN 90°Strip terminal (DBN 5.5-16-90, DBN 8-16-90, DBN 14-16-90)

/

Remote installation mode

/

Plug-in: The rear end plug-in remote PCB board thickness is 1.6 mm

Terminal crimp length

16.0 mm

/

Wire crimping installation force

> 100 N

/

Selection guide:

Model

Un

Uc

Up

In

Imax

Protection mode

Operating Principle

Size

VPM385-40/3N+NPG-1U

AC 230 V

AC 385 V

1.8 kV

20 kA

40 kA

L-N & N-PE

Figure 4.1.2

Figure 4.2.2

VPM385-40/3N+NPG-1UN

AC 230 V

AC 385 V

1.7 kV

20 kA

40 kA

L-PE & N-PE

Figure 4.1.2

Figure 4.2.3

VPM385-40/1N+NPG-1U

AC 230 V

AC 385 V

1.8 kV

20 kA

40 kA

L-PE & N-PE

Figure 4.1.1

Figure 4.2.4

VPM385-40/2P-1U

AC 230 V

AC 385 V

1.8 kV

20 kA

40 kA

L-PE & N-PE

Figure 4.1.3

Figure 4.2.4

VPM385-40/3P-1U

AC 230 V

AC 385 V

1.8 kV

20 kA

40 kA

L-PE & N-PE

Figure 4.1.4

Figure 4.2.5

Operating Principle:

Documentation

Solutions

VPH385-30 Series Type 1 AC SPD

VPH385-30 Series Type 1 AC SPD

The VPH385-30 is a heavy-duty Type 1 AC SPD for primary power protection. It handles direct lightning strikes with a massive Iimp of 30 kA (10/350 μs) and Uc of 385V AC. Featuring Up ≤ 1.9 kV, it ensures top-tier safety for critical systems. Fully EN/IEC 61643-11 compliant, it’s ideal for telecom, wind power, and industrial use.

VPH750-25 Series Type 1 AC SPD

VPH750-25 Series Type 1 AC SPD

The VPH750-25 is a high-voltage Type 1 AC SPD designed for robust lightning protection. Supporting Uc up to 750V AC, it handles extreme surges with an Iimp of 25 kA (10/350 μs). Featuring a protection level of Up ≤ 3.5 kV, it is fully EN/IEC 61643-11 compliant. Ideal for heavy-duty industrial and renewable energy systems requiring maximum durability.

VPM275-40 Series Type 2 AC SPD

VPM275-40 Series Type 2 AC SPD

The VPM275-40 is a professional Type 2 AC SPD designed for secondary power distribution. With a Uc of 275V AC, it handles a nominal discharge current (In) of 20 kA and a max capacity (Imax) of 40 kA (8/20 μs). Featuring Up ≤ 1.2 kV, it offers precise protection for sensitive electronic equipment. Fully EN/IEC 61643-11 compliant and reliable.

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