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Datasheet generated 2026-10-07
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Eaton Overload relay, Ir= 200 - 300 A, 1 N/O, 1 N/C, for use with: DILM300A

Eaton · Switchgear & Protection · Overload Relays · Ireland · eaton.com
Part Number
Z5-300/FF250  ·  HS 8536.90
Eaton Overload relay, Ir= 200 - 300 A, 1 N/O, 1 N/C, for use with: DILM300A

Eaton Z5-300/FF250 Overload relay, Ir= 200 - 300 A, 1 N/O, 1 N/C, For use with: DILM300A.

Technical Specifications

Manufacturer part number (MPN)Z5-300/FF250
EAN / GTIN4015081363568
HS code8536.90
Sales unitpcs
Eaton catalogue number139578
Depth146 mm
Height167 mm
Width128 mm
Weight1.755 kg
CertificationsUL; UL Category Control No.: NKCR; VDE 0660; IEC/EN 60947; CSA Class No.: 3211-03; UL File No.: E29184; CSA File No.: 012528; UL 60947-4-1; CE; CSA; CSA-C22.2 No. 60947-4-1-14; IEC/EN 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 Pvid65.7 W
Heat dissipation capacity Pdiss0 W
Heat dissipation per pole, current-dependent Pvid21.9 W
Rated operational current for specified heat dissipation (In)300 A
Static heat dissipation, non-current-dependent Pvs0 W
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) - max1000 V
Safe isolation440 V, Between auxiliary contacts and main contacts, According to EN 61140; 240 V AC, Between auxiliary contacts, According to EN 61140; 500 V AC, Between main circuits, 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 - max600 VAC
FeaturesPhase-failure sensitivity (according to IEC/EN 60947, VDE 0660 Part 102); Test/off button; Trip-free release; Reset pushbutton manual/auto
Ambient operating temperature - max60 °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 protectionIP00
Mounting methodSeparate mounting; Direct mounting; Direct attachment
Overload release current setting - max300 A
Overload release current setting - min200 A
Overvoltage categoryIII
Pollution degree3
Product categoryOverload relay Z5
ProtectionWith terminal cover, 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 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 (basic rating)1200 A Class L, max. Fuse, SCCR (UL/CSA); 18 kA, SCCR (UL/CSA); 1200 A, max. CB, SCCR (UL/CSA)
Short-circuit protection rating630 A gG/gL, Fuse, Type “2” coordination; 630 A gG/gL, Fuse, Type “1” coordination; Max. 6 A gG/gL, fuse, without welding, Auxiliary and control circuits; Information on Type "1" and Type"2" coordination applies to 100 kA and 690 V
Screw sizeM10 x 35, Terminal screw, Main connections; M3.5, Terminal screw, Control circuit cables
Screwdriver size1 x 6 mm, Terminal screw, Control circuit cables, Standard screwdriver; 2, Terminal screw, Control circuit cables, Pozidriv screwdriver
Stripping length (control circuit cable)8 mm
Terminal capacity (busbar)25 mm width, Main connection
Terminal capacity (flexible with cable lug)185 mm²
Terminal capacity (flexible with ferrule)2 x (0.75 - 2.5) mm², Control circuit cables; 1 x (0.75 - 2.5) mm², Control circuit cables
Terminal capacity (solid)1 x (0.75 - 4) mm², Control circuit cables; 2 x (0.75 - 4) mm², Control circuit cables
Terminal capacity (solid/stranded AWG)2 x (18 - 14), Control circuit cables; 2/0 - 500 MCM, Main cables
Terminal capacity (stranded with cable lug)185 mm²
Tightening torque1.2 Nm, Screw terminals, Control circuit cables; 18 Nm, Main cable connection screw/bolt
Width across flats16 mm (Hexagon head spanner SW)

Properties

MOQ1

Cross-References

Attached Documents