IEC-309 Marine Standards Chart | StayOnline

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Marine Ship-to-Shore Standard Service
Rating					IP67 Suitability
Configuration	Voltage	Amperage	Wires	Poles	Plug	Connector	Receptacle
	125/250V AC	100 amps	4 Wires	3 Poles	M4100P12	M4100C12	M4100R12
	3ØY 120/208V AC	100 amps	5 Wires	4 Poles	M5100P9	M5100C9	M5100R9
	3ØY 277/408V AC	100 amps	5 Wires	4 Poles	M5100P7	M5100C7	M5100R7

Marine Ship-to-Shore "Reverse Service"
Rating					IP67 Suitability
Configuration	Voltage	Amperage	Wires	Poles	Inlet	Connector
	125/250V DC	100 amps	4 Wires	3 Poles	M4100B12R	M4100C12R
	3ØY 120/208V DC	100 amps	5 Wires	4 Poles	M5100B9R	M5100C9R
	3ØY 277/208V DC	100 amps	5 Wires	4 Poles	M5100B7R	M5100C7R

CEEtyp Clock-face Positions in Accordance with IEC 60309-1, IEC 60309-2 & UL 1686 North American Rating Voltage AC (Except where noted)

IP Rating Chart

Ingress Protection (IP) Rating
IP Number	First Digit - Protection from Solids	IP Number	Second Digit - Protection from Liquids
0	Not protected from solids.	0	Not protected from liquids.
1	Protected against solid objects over 50 mm, e.g. accidental touch by persons hands.	1	Protection against vertically falling drops of water e.g. condensation.
2	Protected against solid objects over 12 mm, e.g. persons fingers.	2	Protection against direct sprays of water up to 15° from the vertical.
3	Protected against solid objects over 2.5 mm (tools and wires).	3	Protected against direct sprays of water up to 60° from the vertical.
4	Protected against solid objects over 1 mm (tools, wires, and small wires).	4	Protection against water sprayed from all directions - limited ingress permitted.
5	Protected against dust limited ingress (no harmful deposit).	5	Protected against low pressure jets of water from all directions - limited ingress.
6	Totally protected against dust ingress.	6	Protected against temporary flooding of water, e.g. for use on ship decks - limited ingress permitted.
7	–	7	Protected against the effect of immersion between 15 cm and 1 M.
8	–	8	Protects against long periods of immersion under pressure.
9k	–	9k	Protected against close range high pressure, high temperature water jet.

Popular IP Ratings
IP Code	First Digit - Protection from Solids	Second Digit - Protection from Liquids
IP10	Protected against solid objects over 50 mm, e.g. accidental touch by persons hands.	Not protected from liquids.
IP11	Protected against solid objects over 50 mm, e.g. accidental touch by persons hands.	Protection against vertically falling drops of water e.g. condensation.
IP14	Protected against solid objects over 50 mm, e.g. accidental touch by persons hands.	Protection against water sprayed from all directions - limited ingress permitted.
IP20	Protected against solid objects over 12 mm, e.g. persons fingers.	Not protected from liquids.
IP44	Protected against solid objects over 1 mm (tools, wires, and small wires).	Protection against water sprayed from all directions - limited ingress permitted.
IP52	Protected against dust limited ingress (no harmful deposit).	Protection against direct sprays of water up to 15° from the vertical.
IP54	Protected against dust limited ingress (no harmful deposit).	Protection against water sprayed from all directions - limited ingress permitted.
IP55	Protected against dust limited ingress (no harmful deposit).	Protected against low pressure jets of water from all directions - limited ingress.
IP56	Protected against dust limited ingress (no harmful deposit).	Protected against temporary flooding of water, e.g. for use on ship decks - limited ingress permitted.
IP65	Totally protected against dust ingress.	Protected against low pressure jets of water from all directions - limited ingress.
IP66	Totally protected against dust ingress.	Protected against temporary flooding of water, e.g. for use on ship decks - limited ingress permitted.
IP67	Totally protected against dust ingress.	Protected against the effect of immersion between 15 cm and 1 M.
IP68	Totally protected against dust ingress.	Protects against long periods of immersion under pressure.

Conversion of NEMA Type Numbers to IEC Class Designations
NEMA Enclosure Type Number	IEC Enclosure Class Designation	Description
1	IP10	General Purpose
2	IP11	Drip-proof - Indoor
3	IP54	Dust-tight, Rain-tight and Sleet (Ice) Resistant - Outdoor
3R	IP14	Rainproof and Sleet (Ice) Resistant - Outdoor
3S	IP44, IP54	Dust-tight, Rain-tight, and Sleet (Ice) Proof - Outdoor
4	IP56	Watertight and Dust-tight - Indoor and Outdoor
4X	IP56	Watertight, Dust-tight and Corrosion-Resistant - Indoor and Outdoor
5	IP52	Superseded by Type 12 for Control Apparatus
6	IP67	Submersible, Watertight, Dust-tight and Sleet (Ice) Resistant - Indoor and Outdoor
12	IP52	Industrial Use, Dust-tight and Drip-tight - Indoor
12K	IP52	Industrial Use, Dust-tight and Drip-tight with Knockouts - Indoor
13	IP54	Oil-tight and Dust-tight - Indoor