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Datasheet generated 2026-10-07
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Motor Protection Relay 0,6-1,0A (ZB32-1)

Eaton · Switchgear & Protection · Overload Relays · Ireland · eaton.com
Part Number
ZB32-1  ·  HS 8536.30
Motor Protection Relay 0,6-1,0A (ZB32-1)

Eaton ZB32-1 Motor Protection Relay 32A.

Technical Specifications

Manufacturer part number (MPN)ZB32-1
EAN / GTIN4015082784461
Sales unitpcs
Eaton catalogue number278446
Depth96 mm
Height67 mm
Width45 mm
Weight0.142 kg
CertificationsCSA-C22.2 No. 60947-4-1-14; VDE 0660; CE; IEC/EN 60947; CSA File No.: 012528; UL File No.: E29184; UL Category Control No.: NKCR; CSA; CSA Class No.: 3211-03; IEC/EN 60947-4-1; UL; UL 60947-4-1
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 Pvid6.9 W
Heat dissipation per pole, current-dependent Pvid2.3 W
Rated operational current for specified heat dissipation (In)1 A
Conventional thermal current Ith of auxiliary contacts (1-pole, open)6 A
Rated operational current (Ie) at AC-15, 120 V1.5 A
Rated operational current (Ie) at AC-15, 220 V, 230 V, 240 V1.5 A
Rated operational current (Ie) at AC-15, 380 V, 400 V, 415 V0.9 A
Rated operational current (Ie) at DC-13, 110 V0.4 A
Rated operational current (Ie) at DC-13, 220 V, 230 V0.2 A
Rated operational current (Ie) at DC-13, 24 V0.9 A
Rated operational current (Ie) at DC-13, 60 V0.75 A
Rated operational voltage (Ue) - max690 V
Safe isolation440 V, 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)
Voltage rating - max600 VAC
FeaturesReset pushbutton manual/auto; Test/off button; Phase-failure sensitivity (according to IEC/EN 60947, VDE 0660 Part 102); Trip-free release
Ambient operating temperature - max55 °C
Ambient operating temperature - min-25 °C
Ambient operating temperature (enclosed) - max40 °C
Ambient operating temperature (enclosed) - min-25 °C
ClassCLASS 10 A / IEC 60947-4-1, 8.2.1.5.1.1. c) 4 min
Climatic proofingDamp heat, cyclic, to IEC 60068-2-30; Damp heat, constant, to IEC 60068-2-78
Degree of protectionIP20; IP00
Frame sizeZB32
Mounting methodDirect mounting; Direct attachment
Overload release current setting - max1 A
Overload release current setting - min0.6 A
Overvoltage categoryIII
Pollution degree3
Product categoryAccessories Overload relay ZB up to 150 A
ProtectionFinger and back-of-hand proof, Protection against direct contact when actuated from front (EN 50274)
Rated impulse withstand voltage (Uimp)6000 V AC; 4000 V (auxiliary and control circuits)
Shock resistance10 g, Mechanical, Sinusoidal, Shock duration 10 ms
Suitable forBranch circuits, (UL/CSA)
Temperature compensation≤ 0.25 %/K, residual error for T > 40°; Continuous
Short-circuit current rating (high fault at 600 V)1 A, Class J/CC, max. Fuse, SCCR (UL/CSA); 100 kA, Fuse, SCCR (UL/CSA)
Short-circuit protection rating25 A gG/gL, Fuse, Type “1” coordination; Max. 6 A gG/gL, fuse, without welding, Auxiliary and control circuits; 4 A gG/gL, Fuse, Type “2” coordination; Information on Type "1" and Type"2" coordination applies to 100 kA and 690 V
Screw sizeM4, Terminal screw; M3.5, Terminal screw, Control circuit cables
Screwdriver size1 x 6 mm, Terminal screw, Standard screwdriver; 2, Terminal screw, Pozidriv screwdriver
Stripping length (control circuit cable)8 mm
Stripping length (main cable)10 mm
Terminal capacity (flexible with ferrule)1 x (0.75 - 2.5) mm², Control circuit cables; 1 x (1 - 4) mm², Main cables; 2 x (1 - 4) mm², Main cables; 2 x (0.75 - 2.5) mm², Control circuit cables
Terminal capacity (solid)2 x (0.75 - 4) mm², Control circuit cables; 2 x (1 - 6) mm², Main cables; 1 x (0.75 - 4) mm², Control circuit cables; 1 x (1 - 6) mm², Main cables
Terminal capacity (solid/stranded AWG)18 - 8, Main cables; 2 x (18 - 14), Control circuit cables
Tightening torque1.2 Nm, Screw terminals, Control circuit cables; 1.8 Nm, Screw terminals, Main cables
Number of auxiliary contacts as normally open contact1
Number of auxiliary contacts as normally closed contact1
Release classCLASS 10
Type of electrical connection of main circuitScrew connection
Max. rated operation voltage Ue690 V
Adjustable current range0.6–1 A
Reset function inputNo
Reset function automaticYes
Reset function push-buttonYes
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents