ZW7-630

Overload relay, (CT) 420-630A

Trade Price

£789.90

Per

1

Unit

EACH

Pack Quantity

1

ZW7-630
ZW7-630
ZW7-630
ZW7-630

Information

Eaton Moeller® series ZW7 Current transformer-operated overload relay, 420-630A, 1N/O+1N/C

Technical Specifications

Product Length/Depth

162.5 mm

Product Height

97 mm

Product Width

200.5 mm

Product Weight

0.64 kg

Certifications

IEC/EN 60947

VDE 0660

Catalog Notes

Rated operational current: Switch-on and switch-off conditions based on DC-13, time constant as specified.

Features

Protection with heavy starting duty

Test/off button

Trip-free release

Reset pushbutton manual/auto

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, constant, to IEC 60068-2-78

Damp heat, cyclic, to IEC 60068-2-30

Degree of protection

IP00

Mounting method

Separate positioning

Separate mounting

Mounting position

As required

Opening diameter

27 mm

Overload release current setting - min

420 A

Overload release current setting - max

630 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)

8000 V AC

4000 V (auxiliary and control circuits)

Shock resistance

10 g, Mechanical, Sinusoidal, Shock duration 10 ms

Suitable for

Branch circuits, (UL/CSA)

Temperature compensation

Continuous

Terminal capacity (flexible with ferrule)

2 x (0.75 - 2.5) mm²

1 x (0.75 - 2.5) mm²

Terminal capacity (solid)

2 x (0.75 - 4) mm²

1 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

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)

B600 at opposite polarity, AC operated (UL/CSA)

R300, DC operated (UL/CSA)

B300 at opposite polarity, AC operated (UL/CSA)

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

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

Equipment heat dissipation, current-dependent Pvid

8.1 W

Heat dissipation capacity Pdiss

0 W

Heat dissipation per pole, current-dependent Pvid

2.7 W

Rated operational current for specified heat dissipation (In)

630 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.

Document Links

Datasheet