Bourns, 1250 Surge Arrester 415V ac Maximum Voltage Rating 50 kA Maximum Surge Current 2 Pole Protector

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Subtotal (1 unit)*

PHP12,420.09

(exc. VAT)

PHP13,910.50

(inc. VAT)

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1 - 4PHP12,420.09
5 - 9PHP12,109.60
10 +PHP11,806.86

*price indicative

RS Stock No.:
785-8130
Mfr. Part No.:
1250-2S-230
Manufacturer:
Bourns
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Brand

Bourns

Suppressor Type

2 Pole Protector

Product Type

Surge Arrester

Maximum Voltage

415V ac

Mount Type

DIN Rail

Maximum Surge Current

50kA

Series

1250

Minimum Operating Temperature

-50°C

Maximum Operating Temperature

85°C

Depth

67mm

Standards/Approvals

IEC 61643-11, EN 61643-11

Height

90mm

Length

36mm

Hazardous Area Certification

No

Bourns 1250 series Surge Protection Devices


50 kA max. discharge current rating

Multi-pole uni-block design

DIN Rail mountable

UL 60691 compliant integrated thermal disconnect

Visual fault indicator

Remote signalling capability

Compact design ideal for limited spaces

Surge Protection Devices, SPDs (DIN-rail)


Voltage surges, often referred to as spikes or transients are typically caused by switching of fluorescent lights, fuses blowing or nearby lightning activity. The worst voltage spikes are usually caused by lightning strikes and can reach up to 6000V, with current surges of over 3000A. The maximum size of the let-through voltage and current inrush depends on the location within the building's wiring system. BS7671: 2011 Amendment 1 Sections 443 and 534 cover risk assessment and provides guidance on protection of electronic equipment for installation engineers to follow. The fullest information on lightning and surge protection comes from the BSEN 62305 series of standards.