
Eaton
Motor Protection Relay 40-57A
Part numberZB65-57EAN / GTIN4015082784591HS code8536.30
Switchgear & Protection
Overload Relays
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Product Description
Eaton ZB65-57 Motor Protection Relay 40-57A.
Technical Specifications
- Manufacturer part number (MPN)
- ZB65-57
- EAN / GTIN
- 4015082784591
- Sales unit
- pcs
- Eaton catalogue number
- 278459
- UPC
- 782116358878
- Depth
- 88 mm
- Height
- 75 mm
- Width
- 60 mm
- Weight
- 0.23 kg
- Certifications
- CSA File No.: 012528; UL Category Control No.: NKCR; UL 60947-4-1; UL File No.: E29184; VDE 0660; CSA-C22.2 No. 60947-4-1-14; CSA; IEC/EN 60947; UL; IEC/EN 60947-4-1; CE; CSA Class No.: 3211-03
- 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
- 12.9 W
- Heat dissipation per pole, current-dependent Pvid
- 4.3 W
- Rated operational current for specified heat dissipation (In)
- 57 A
- 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, Between auxiliary contacts and main contacts, According to EN 61140; 440 V AC, Between main circuits, According to EN 61140; 240 V AC, Between auxiliary contacts, According to EN 61140
- Switching capacity (auxiliary contacts, pilot duty)
- R300, DC operated (UL/CSA); B300 at opposite polarity, AC operated (UL/CSA); B600 at opposite polarity, AC operated (UL/CSA)
- Voltage rating - max
- 600 VAC
- Features
- Phase-failure sensitivity (according to IEC/EN 60947, VDE 0660 Part 102); Test/off button; Reset pushbutton manual/auto
- Ambient operating temperature - max
- 55 °C
- Ambient operating temperature - min
- -25 °C
- Ambient operating temperature (enclosed) - max
- 40 °C
- Ambient operating temperature (enclosed) - min
- -25 °C
- Class
- CLASS 10 A / IEC 60947-4-1, 8.2.1.5.1.1. c) 4 min
- Climatic proofing
- Damp heat, cyclic, to IEC 60068-2-30; Damp heat, constant, to IEC 60068-2-78
- Degree of protection
- IP00
- Frame size
- ZB65
- Mounting method
- Direct mounting; Direct attachment
- Overload release current setting - max
- 57 A
- Overload release current setting - min
- 40 A
- Overvoltage category
- III
- Pollution degree
- 3
- Product category
- Accessories Overload relay ZB up to 150 A
- 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); 6000 V AC
- Shock resistance
- 10 g, Mechanical, Sinusoidal, Shock duration 10 ms
- Suitable for
- Branch circuits, (UL/CSA)
- Temperature compensation
- ≤ 0.25 %/K, residual error for T > 40°; Continuous
- Short-circuit current rating (basic rating)
- 10 kA, SCCR (UL/CSA); 150 A, max. CB, SCCR (UL/CSA); 200 A, max. Fuse, SCCR (UL/CSA)
- Short-circuit current rating (high fault at 480 V)
- 100 A, Class J, max. Fuse, SCCR (UL/CSA); 75 A, max. CB, SCCR (UL/CSA); 65 kA, CB, SCCR (UL/CSA)
- Short-circuit current rating (high fault at 600 V)
- 100 kA, Fuse, SCCR (UL/CSA); 110 A, Class J/CC, max. Fuse, SCCR (UL/CSA)
- Short-circuit protection rating
- Max. 6 A gG/gL, fuse, without welding, Auxiliary and control circuits; 80 A gG/gL, Fuse, Type “2” coordination; 160 A gG/gL, Fuse, Type “1” coordination; Information on Type "1" and Type"2" coordination applies to 100 kA and 690 V
- Screw size
- M3.5, Terminal screw, Control circuit cables; M6, Terminal screw, Main cables
- Screwdriver size
- 2, Terminal screw, Pozidriv screwdriver; 1 x 6 mm, Terminal screw, Standard screwdriver
- Stripping length (control circuit cable)
- 8 mm
- Stripping length (main cable)
- 11 mm
- Terminal capacity (flexible with ferrule)
- 1 x (0.75 - 2.5) mm², Control circuit cables; 2 x (0.75 - 2.5) mm², Control circuit cables; 2 x (1 - 25) mm², Main cables; 1 × (1 - 25) mm², Main cables
- Terminal capacity (solid)
- 2 x (1 - 16) mm², Main cables; 1 x (0.75 - 4) mm², Control circuit cables; 2 x (0.75 - 4) mm², Control circuit cables; 1 x (1 - 16) mm², Main cables
- Terminal capacity (solid/stranded AWG)
- 2 x (18 - 14), Control circuit cables; 14 - 2, Main cables
- Terminal capacity (stranded)
- 1 x (16 - 25) mm², Main cables
- Tightening torque
- 3.5 Nm, Screw terminals, Main cables; 1.2 Nm, Screw terminals, Control circuit cables
- Number of auxiliary contacts as normally open contact
- 1
- Number of auxiliary contacts as normally closed contact
- 1
- Release class
- CLASS 10
- Type of electrical connection of main circuit
- Screw connection
- Max. rated operation voltage Ue
- 690 V
- Adjustable current range
- 40–57 A
- Reset function input
- No
- Reset function automatic
- Yes
- Reset function push-button
- Yes
- Country of origin
- Germany
Standards & Compliance
- HS Code
- 8536.30
Cross References
- EAN 4015082784591
- SAP 1000071756
- Code 8562425
Product Documentation
Document preview: MOTOR PROTECTION RELAY 40-57A (ZB65-57) — Specification Data Sheet (OEM)
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Technical guides
Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy ZB65-57?
- ZB65-57 can be ordered from cballast.com as a Eaton catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Eaton product?
- The manufacturer part number is ZB65-57.
- What is the HS code for ZB65-57?
- The customs tariff (HS) code for ZB65-57 is 8536.30.
- Who manufactures ZB65-57?
- ZB65-57 is a Eaton product in the Switchgear & Protection range.
- Is a datasheet available for ZB65-57?
- Yes — the ZB65-57 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for ZB65-57?
- The minimum order quantity is 1.
- Is ZB65-57 available?
- Yes — ZB65-57 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).
