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Series 1661ST-BU 3 pole 16A Compact plug & socket (1661ST03/1661BU03)

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Series 1661ST/1661BU “compact” plug and socket connectors are primarily intended for use with lighting equipment where secure connections and quick release for servicing are essential.

They are available in 3 pole lengths and have an extended earth plug fitted as standard.

They are fully “touchproof” in both fitted and unfitted positions. Each pole is polarised to prevent incorrect alignment.

Part numbers:


1661ST03 – 3 pole male black
1661BU03 – 3 pole female black

1661STW03 – 3 pole male white
1661BUW03 – 3 pole female white

Technical Details

Mouldings: Nylon 6.6 (PA6/6), black or
white, UL94 V2
Inserts: Brass, electrotinned
Screws: M3 x 6, steel, zinc plated and
Clamping springs: Stainless steel
Maximum working temp: 100°C continuous
Current rating: 16 amp, to VDE0627
to EN 61535: 20A at T 70ºC
to EN 61984: 16A at T 70ºC
Voltage rating: 400V ~
Tracking distance: CTI > 600
Conductor size: 0.5 – 4mm2
Stripping length: 6.5 – 7mm
Protection class: IP20
IP40 when connected


Covers & base plates: use type 1661ZEL

Available in Black and White

Metway Series 1661ST-BU 3 pole 16A Compact plug & socket (1661ST03/1661BU03)

Other 3 Pole Products

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166G DB05

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