ZW7-400 045329 XTOT400C3S EATON ELECTRIC Current transformer-operated overload relay, 270-400A, 1N/O+1N/C View larger
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ZW7-400 045329 XTOT400C3S EATON ELECTRIC Current transformer-operated overload relay, 270-400A, 1N/O+1N/C

ZW7-400

045329

Y7-45329

EATON-MOELLER

Current transformer-operated overload relay, 270-400A, 1N/O+1N/C

Overload relay driven by 270-400 A current transformer

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Low-voltage industrial components > Thermal overload relay

Thermal Relays

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Current transformer-operated overload relay, 270-400A, 1N/O+1N/C
Current transformer-operated overload relay, Product range: ZW7 current transformer-operated overload relays, Description: Test/off button, Reset pushbutton manual/auto, Trip-free release, Protection with heavy starting duty, Mounting type: Separate mounting, Auxiliary contacts N/O = Normally open: 1 N/O, Auxiliary contacts N/C = Normally closed: 1 N/C, Standards: IEC/EN 60947, VDE 0660, UL, CSA, Degree of Protection: IP00

General specifications
Product name
Eaton Moeller® series ZW7 Current transformer-operated overload relay
Part no.
ZW7-400
EAN
4015080453291
Product Length/Depth
162.5 millimetre
Product height
97 millimetre
Product width
200.5 millimetre
Product weight
0.639 kilogram
Certifications
VDE 0660
CSA-C22.2 No. 14
UL File No.: E29184
CSA
UL Category Control No.: NKCR
CSA File No.: 012528
IEC/EN 60947
CSA Class No.: 3211-03
UL 508
CE
IEC/EN 60947-4-1
UL
Product Tradename
ZW7
Product Type
Current transformer-operated overload relay
Product Sub Type
None
Catalog Notes
Rated operational current: Switch-on and switch-off conditions based on DC-13, time constant as specified.
Features & Functions
Features
Trip-free release
Test/off button
Reset pushbutton manual/auto
Protection with heavy starting duty
General information
Ambient operating temperature - min
-25 °C
Ambient operating temperature - max
50 °C
Ambient operating temperature (enclosed) - min
25 °C
Ambient operating temperature (enclosed) - max
40 °C
Class
Other
Climatic proofing
Damp heat, cyclic, to IEC 60068-2-30
Damp heat, constant, to IEC 60068-2-78
Degree of protection
IP00
Mounting method
Separate mounting
Separate positioning
Mounting position
As required
Opening diameter
27 mm
Overload release current setting - min
270 A
Overload release current setting - max
400 A
Overvoltage category
III
Pollution degree
3
Product category
ZW7 current transformer-operated overload relays
Protection
Finger and back-of-hand proof, Protection against direct contact when actuated from front (EN 50274)
Rated impulse withstand voltage (Uimp)
4000 V (auxiliary and control circuits)
8000 V AC
Shock resistance
10 g, Mechanical, Sinusoidal, Shock duration 10 ms
Suitable for
Branch circuits, (UL/CSA)
Temperature compensation
Continuous
Terminal capacities
Terminal capacity (flexible with ferrule)
2 x (0.75 - 2.5) mm²
1 x (0.75 - 2.5) mm²
Terminal capacity (solid)
1 x (0.75 - 4) mm²
2 x (0.75 - 4) mm²
Terminal capacity (solid/stranded AWG)
2 x (18 - 14)
Stripping length (control circuit cable)
8 mm
Screw size
M3.5, Terminal screw
Screwdriver size
2, Terminal screw, Pozidriv screwdriver
1 x 6 mm, Terminal screw, Control circuit cables, Standard screwdriver
Tightening torque
1.2 Nm, Screw terminals, Control circuit cables
Electrical rating
Conventional thermal current ith of auxiliary contacts (1-pole, open)
6 A
Rated operational current (Ie) at AC-15, 120 V
1.5 A
Rated operational current (Ie) at AC-15, 220 V, 230 V, 240 V
1.5 A
Rated operational current (Ie) at AC-15, 380 V, 400 V, 415 V
0.9 A
Rated operational current (Ie) at DC-13, 110 V
0.4 A
Rated operational current (Ie) at DC-13, 220 V, 230 V
0.2 A
Rated operational current (Ie) at DC-13, 24 V
0.9 A
Rated operational current (Ie) at DC-13, 60 V
0.75 A
Rated operational voltage (Ue) - max
690 V
Safe isolation
440 V AC, Between auxiliary contacts and main contacts, According to EN 61140
240 V AC, Between auxiliary contacts, According to EN 61140
440 V AC, Between main circuits, According to EN 61140
Switching capacity (auxiliary contacts, pilot duty)
R300, DC operated (UL/CSA)
B600 at opposite polarity, AC operated (UL/CSA)
B300 at opposite polarity, AC operated (UL/CSA)
Voltage rating - max
600 V AC
Short-circuit rating
Short-circuit protection
With overload relay in conjunction with a transformer as required for the contactor, Max. Fuse, Main conducting paths
Short-circuit protection rating
Max. 6 A gG/gL, Fuse, Auxiliary contacts
Contacts
Number of auxiliary contacts (change-over contacts)
0
Number of auxiliary contacts (normally closed contacts)
1
Number of auxiliary contacts (normally open contacts)
1
Number of contacts (normally closed contacts)
1
Number of contacts (normally open contacts)
1
Design verification
Equipment heat dissipation, current-dependent Pvid
7.5 W
Heat dissipation capacity Pdiss
0 W
Heat dissipation per pole, current-dependent Pvid
2.5 W
Rated operational current for specified heat dissipation (In)
400 A
Static heat dissipation, non-current-dependent Pvs
0 W
10.2.2 Corrosion resistance
Meets the product standard's requirements.
10.2.3.1 Verification of thermal stability of enclosures
Meets the product standard's requirements.
10.2.3.2 Verification of resistance of insulating materials to normal heat
Meets the product standard's requirements.
10.2.3.3 Resist. of insul. mat. to abnormal heat/fire by internal elect. effects
Meets the product standard's requirements.
10.2.4 Resistance to ultra-violet (UV) radiation
Meets the product standard's requirements.
10.2.5 Lifting
Does not apply, since the entire switchgear needs to be evaluated.
10.2.6 Mechanical impact
Does not apply, since the entire switchgear needs to be evaluated.
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.
10.9.2 Power-frequency electric strength
Is the panel builder's responsibility.
10.9.3 Impulse withstand voltage
Is the panel builder's responsibility.
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.

Technical data ETIM 9.0

Low-voltage industrial components (EG000017) / Thermal overload relay (EC000106)
Electric engineering, automation, process control engineering / Low-voltage switch technology / Overload protection device / Thermal overload relay (ecl@ss13-27-37-15-01 [AKF075019])
Adjustable current range
270 - 400 A
Max. rated operation voltage Ue
690 V
Mounting method
Separate positioning
Type of electrical connection of main circuit
Screw connection
Number of auxiliary contacts as normally closed contact
1
Number of auxiliary contacts as normally open contact
1
Number of auxiliary contacts as change-over contact
0
Release class
Other
Reset function input
No
Reset function automatic
Yes
Reset function push-button
Yes

Datasheet - PDF

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