The Guide - MEM Technical Support

Circuit Breaker Data

Memshield 2 G Frame

Type of Device
Rated Voltage
Frequency
Short Circuit Category = Moulded Case Circuit Breaker (MCCB)
= 500 Volts AC
= 50/60 Hertz
= Icu 16/25kA (415 Volts)

Maximum Earth Loop Impedance Zs (OHMS):
In (A)	Socket Outlet Circuits (0.4 secs)	Fixed Appliance Circuits (5 secs)
16	0.500	1.714
20	0.500	2.000
32	0.500	0.889
40	0.267	0.267
50	0.267	0.267
63	0.267	0.267
80	0.160	0.282
100	0.160	0.200
125	0.160	0.1714

Disconnection Time/Current Data:
Disconnection Time (s)	60.00	10.00	5.00	1.00	0.40	0.10
In (A)	Disconnection Current (A)
16	38.00	80.00	140.00	480.00	480.00	480.0
20	47.00	90.00	120.00	370.00	480.00	480.00
32	85.00	175.00	270.00	480.00	480.00	480.00
40	140.00	470.00	900.00	900.00	900.00	900.00
50	160.00	500.00	900.00	900.00	900.00	900.00
63	205.00	500.00	900.00	900.00	900.00	900.00
80	270.00	600.00	850.00	1500.00	1500.00	1500.00
100	290.00	720.00	1200.00	1500.00	1500.00	1500.00
125	405.00	900.00	1400.00	1500.00	1500.0	1500.0

MCCB Let Through Energy Data I²t (A² sec) G-Frame
Fault Level (A)	Rating
Fault Level (A)	16A	20A	32A	40A	50A	63A	80A	100A	125A
25000	360,000	360,000	500,000	525,000	630,000	630,000	660,000	660,000	660,000
16000	300,000	300,000	400,000	480,000	530,000	530,000	580,000	580,000	580,000
5000	220,000	220,000	295,000	320,000	360,000	360,000	400,000	400,000	400,000
3000	125,000	125,000	150,000	160,000	180,000	180,000	220,000	220,000	220,000
2000	35,000	35,000	36,000	36,500	40,000	40,000	47,000	47,000	47,000
1500	20,000	20,000	20,000	20,000	20,000	20,000	20,000	20,000	20,000

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