DEAS 495-4: 2024, Plugs, socket-outlets, adaptors, and connection units — Part 4: fused connection units: Switched and unswitched

来源：epingalert 发布时间：2025-01-07 浏览量：*

通告成员：

Tanzania

通告类型：

TBT

通告发布时间：

2025-01-07

评议截止时间：

2025-03-08

通告描述：

This part of EAS 495 specifies requirements of up to 13 A fused fixed connection units for household, commercial and light industrial purposes, with particular reference to safety in normal use. The connection units are suitable for the connection of appliances, in a.c. circuits only, operating at voltages not exceeding 250 V r.m.s at 50 Hz.
Requirements are specified for connection units incorporating a fuse-link complying with EAS 496.
Requirements are specified for 13 A connection units with or without associated controlling switches, for flush mounting in suitable enclosures, e.g. boxes complying with EAS 203, or for surface or panel mounting. Connection units are intended for use with cables complying with IEC 60227 having copper conductors. Connection units with card outlets are additionally intended for use with flexible cords, complying with IEC 60245 or IEC 60227on the load (output) side.
This standard does not apply to connection units incorporating screwless terminals for the
connection of external conductors of the following types:
a) flat quick‑connect terminals;
b) insulation‑piercing connecting devices; and
c) twist‑on connecting devices.
Certain installations require the inclusion of intumescent and acoustic pads and this might have an effect on the conformance of the connection unit to the requirements of this standard. This might influence temperature rise and internal clearances. Verification of suitability of the connection unit needs to be obtained from the manufacturer.
NOTE 1 The titles of the publications referred to in this standard are listed on the inside back cover.
NOTE 2 Requirements for electromagnetic compatibility are not given for the following reasons.
A connection unit does not emit intolerable electromagnetic interference since significant electromagnetic disturbances are only generated during insertion and withdrawal which are not continuous.
A connection unit is mechanical by nature of construction. The product is therefore immune from electromagnetic interference.
This standard applies to all connection Units in East African Region

文档编号：

G/TBT/N/BDI/537, G/TBT/N/KEN/1728, G/TBT/N/RWA/1104, G/TBT/N/TZA/1240, G/TBT/N/UGA/2077

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ICS Code：

29.120.30 - Plugs, socket-outlets, couplers

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通告目的：

National security requirements (TBT)
Prevention of deceptive practices and consumer protection (TBT)
Protection of human health or safety (TBT)
Protection of the environment (TBT)
Quality requirements (TBT)
Harmonization (TBT)
Cost saving and productivity enhancement (TBT)

DEAS 495-4: 2024, Plugs, socket-outlets, adaptors, and connection units — Part 4: fused connection units: Switched and unswitched

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