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Earth-leakage circuit-breakers 300 mA
Optional accessories for the circuit-breaker series NZM offers a comprehensive portfolio of application options for use world wide. The mounting is always flexible and easy thanks to the modular function groups. Notes: pulsed current sensitive. Rated control voltage: Us = 230VAC (50/60 Hz). Integrated auxiliary contact (1 C/O). Ring-type transformer must also be ordered. Not UL/CSA approved. Can be used for: NZM1, NZM1-4, N1, N1-4, NZM2, NZM2-4, N2, N2-4, NZM3, NZM3-4, N3, N3-4, NZM4, NZM4-4, N4-4

Rated fault currents [ I Δn ]	0.3 A
Description	Pulse-current sensitive Integrated auxiliary contact (1 C/O) Ring-type transformer must also be ordered not UL/CSA approved
Rated control voltage [Us ]	230 V AC 50/60Hz V
Standards	IEC/EN 60947-2, IEC 755, IEC 1008, IEC 1009
Sensitivity	Pulse current sensitive, type A
Rated control voltage [Us]	230 ±20 % (50/60 Hz) V AC
Motor rating [Pe]	3 W
Rated fault currents [ I Δn ]	0.3 A
Delay time [tv]	0.02 (non-delayed) s
Relay contacts	1 integrated changeover contact
Rated voltage of the relay contact	250/100 V AC/DC
Rated current of the relay contact	6 A
Standard front dimension	45 mm
Enclosure height	85 mm
Device width	45 mm
Mounting	Snap fixing, top-hat rail DIN 46277, IEC/EN 60715
Terminals top and bottom	Box terminals
Terminal protection	Finger/back-of-hand proof to BGV A2, VDE 106 part 100
Terminal capacities	2 x 0.75 - 2.5 solid, 2 x 0.75 - 1.5 flexible/with ferrules mm2
Operation	-10 - +50 °C
Operating ambient temperature min.	-10 °C
Operating ambient temperature max.	+50 °C
10.2 Strength of materials and parts >10.2.2 Corrosion resistance	Meets the product standard´s requirements.
10.2 Strength of materials and parts >10.2.3.1 Verification of thermal stability of enclosures	Meets the product standard´s requirements.
10.2 Strength of materials and parts >10.2.3.2 Verification of resistance of insulating materials to normal heat	Meets the product standard´s requirements.
10.2 Strength of materials and parts >10.2.3.3 Verification of resistance of insulating materials to abnormal heat and fire due to internal electric effects	Meets the product standard´s requirements.
10.2 Strength of materials and parts >10.2.4 Resistance to ultra-violet (UV) radiation	Meets the product standard´s requirements.
10.2 Strength of materials and parts >10.2.5 Lifting	Does not apply, since the entire switchgear needs to be evaluated.
10.2 Strength of materials and parts >10.2.6 Mechanical impact	Does not apply, since the entire switchgear needs to be evaluated.
10.2 Strength of materials and parts >10.2.7 Inscriptions	Meets the product standard´s requirements.
10.3 Degree of protection of ASSEMBLIES	Does not apply, since the entire switchgear needs to be evaluated.
10.4 Clearances and creepage distances	Meets the product standard´s requirements.
10.5 Protection against electric shock	Does not apply, since the entire switchgear needs to be evaluated.
10.6 Incorporation of switching devices and components	Does not apply, since the entire switchgear needs to be evaluated.
10.7 Internal electrical circuits and connections	Is the panel builder´s responsibility.
10.8 Connections for external conductors	Is the panel builder´s responsibility.
10.9 Insulation properties >10.9.2 Power-frequency electric strength	Is the panel builder´s responsibility.
10.9 Insulation properties >10.9.3 Impulse withstand voltage	Is the panel builder´s responsibility.
10.9 Insulation properties >10.9.4 Testing of enclosures made of insulating material	Is the panel builder´s responsibility.
10.10 Temperature rise	The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
10.11 Short-circuit rating	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
10.12 Electromagnetic compatibility	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
10.13 Mechanical function	The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.
Rated control supply voltage Us at AC 50HZ	184 - 276 V
Rated control supply voltage Us at AC 60HZ	184 - 276 V
Rated control supply voltage Us at DC	0 - 0 V
Rated fault current	0.3 - 0.3 A
Max. power on-delay time	20 ms
Delay adjustable	No
Max. rated operation voltage Ue	276 V