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MEAN WELL SPD-20-277P Power Supply Accessory, 277 V AC, 20 kA surge
MEAN WELL SPD-20-277P Power Supply Accessory, 277 V AC, 20 kA surge

At a glance

Operating Voltage
277 V AC 50/60 Hz
Max. Surge Current (8/20 us)
20 kA
Voltage Protection Rating
1500 V
IP Rating
IP67
Response Time
below 25 ns
Dimensions
90 x 70 x 50 mm (L x W x H)
MEAN WELL logoModel SPD-20-277PCurrent model

MEAN WELL SPD-20-277P Power Supply Accessory, 277 V AC, 20 kA surge

Price on request

At a glance

Operating Voltage
277 V AC 50/60 Hz
Max. Surge Current (8/20 us)
20 kA
Voltage Protection Rating
1500 V
IP Rating
IP67
Response Time
below 25 ns
Dimensions
90 x 70 x 50 mm (L x W x H)

Wired on the mains supply ahead of LED drivers or power supplies to absorb lightning and switching surges, for example on outdoor lighting. Power supply accessory, 277 V AC, 20 kA surge. Type 2 component assembly.

Operating voltage
240 V AC 50/60 Hz277 V AC 50/60 Hz

Part of the MEAN WELL SPD-20 series. Compare both models

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Overview

What it is

The MEAN WELL SPD-20-277P is a power supply accessory from the SPD-20 series (20kA Surge Protection Device), rated 277 V AC, 20 kA surge.

What it is used for

Wired in parallel on the AC supply ahead of LED drivers or power supplies to absorb lightning and switching surges, for example on outdoor lighting or pole-mounted equipment. MEAN WELL lists applications such as led driver surge protection.

Key features

  • Type 2 component assembly.
  • Line to ground and line to line protected.
  • Parallel (3 wire) connection.
  • LED status indicator.
  • IP67 design for indoor or outdoor installations.
  • 10 kV surge protection capability.

Key Specifications

  • Operating Voltage: 277 V AC 50/60 Hz.
  • Max. Surge Current (8/20 us): 20 kA.
  • Voltage Protection Rating: 1500 V (L-FG, N-FG, L-N).
  • IP Rating: IP67.
  • Response Time: below 25 ns.

Buying considerations

Size the unit with headroom above the connected load and check the derating information in the datasheet for high ambient temperature or low input voltage. Other models in the same series are listed on this page.

Installation considerations

MEAN WELL treats this unit as a component of the final equipment, so approvals and EMC performance should be confirmed for the complete installation. Wiring and safety details are in the official datasheet linked below.

Features

MEAN WELL SPD-20-277P Power Supply Accessory, 277 V AC, 20 kA surge, dimension drawing
Check the datasheet for tolerances.

Size and fit

Dimensions
90 x 70 x 50 mm (L x W x H)
Weight
0.39 kg

Technical specifications

Key facts

What is it?
Power supply accessoryBrand MEAN WELL, model SPD-20-277P
Can it be used outdoors?
IP67
Which documents are available?
Datasheet, certificate Open documents
Not stated by the manufacturer
output, input

RelatedSeriesMEAN WELL SPD-20 series, 2 modelsDocumentsAll MEAN WELL documents

General

Voltage Protection Rating
1500 V (L-FG, N-FG, L-N)
Nominal Discharge Current
5 kA
Max. Surge Current (8/20 us)
20 kA
Response Time
below 25 ns
Series
SPD-20

Input

Operating Voltage
277 V AC 50/60 Hz
Max. Continuous Operating Voltage (MCOV)
320 V AC

Protection

Short Circuit Current Rating
5 kA

Environment

Operating Temperature
-40 to +70 °C
IP Rating
IP67

Physical

Dimensions
90 x 70 x 50 mm (L x W x H)
Weight
0.39 kg

Approvals

MTBF
4508.6K hrs min. Telcordia SR-332 (Bellcore); 7162.4K hrs min. MIL-HDBK-217F (25 °C)
Safety Standards
UL1449 (Third Edition), CSA C22.2 No. 8, EAC TP TC 004
Warranty
Manufacturer warranty under MEAN WELL's terms. How claims work
Product attributes and shipping details
Brand

MEAN WELL

Downloads

Documentation

  • SPD-20 series datasheetPublicDatasheet · Family · meanwell.com
    Download
Certificate and compliance document (1)
  • SPD-20 CE declaration of conformityPublicCertificate · Family · meanwell.com
    Download

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