Cutler Hammer, Div of Eaton Corp Overload Relays Technical Data
Motor Protection and Monitoring
Overload Relays
42.4
Technical Data and Specifications
Electronic Overload Relays up to 1500A
Specification
Description 45 mm 55 mm
Electrical Ratings Range Range
Operating voltage (three-phase) and frequency 690 Vac (60/50 Hz) 690 Vac (60/50 Hz)
FLA Range
0.33–1.65A
1–5A
4–20A
9–45A 20–100A
Use with Contactors
XT IEC frames B, C, D F, G
Freedom NEMA sizes 00, 0, 1, 2 3
Trip Class
10A, 10, 20, 30
Selectable
Motor Protection
Thermal overload setting 1.05 x FLA: does not trip
Feature Range Range
Phase loss Fixed threshold 50% Fixed threshold 50%
Phase unbalance (selectable: enable/disable) Fixed threshold 50% Fixed threshold 50%
Ground fault (selectable: enable/disable) 50% of FLA dial setting
Reset Manual/automatic Manual/automatic
Indicators
Trip status Orange flag Orange flag
Mode LED One flash: Overload operating properly
Options
Remote reset Yes Yes
Reset bar Yes Yes
Communication expansion module Yes Yes
Communication adapter Yes Yes
Capacity
Load terminals
Terminal capacity 12–10 AWG (4–6 mm2)
Tightening torque 20–25 lb-in (2.3–2.8 Nm)
Input, auxiliary contact and remote reset terminals
Terminal capacity 2 x (18–12) AWG 2 x (18–12) AWG
Tightening torque 5.3 lb-in (0.8–1.2 Nm) 5.3 lb-in (0.8–1.2 Nm)
Voltages
Insulation voltage U
Insulation voltage U
Rated impulse withstand voltage 6000 Vac 6000 Vac
Overvoltage category/pollution degree III/3 III/3
(three-phase) 690 Vac 690 Vac
i
(control) 500 Vac 500 Vac
i
1.15 x FLA: overload trip
>150% = 2 sec
>250% = 1 sec
Two flashes: Current is above FLA dial setting—pending trip
2
8–6 AWG (6–16 mm
25–30 lb-in (2.8–3.4 Nm)
)
10A, 10, 20, 30
Selectable
1.05 x FLA: does not trip
1.15 x FLA: overload trip
50% of FLA dial setting
>150% = 2 sec
>250% = 1 sec
One flash: Overload operating properly
Two flashes: Current is above FLA dial setting—pending trip
6–1 AWG (16–50 mm
25–30 lb-in (2.8–3.4 Nm)
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Control Products Catalog CA08102001E—July 2010 www.eaton.com 13
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42.4
Motor Protection and Monitoring
Overload Relays
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Electronic Overload Relays up to 1500A, continued
Specification
Description 45 mm 55 mm
Auxiliary and Control Circuit Ratings
Conventional thermal continuous current 5A 5A
Rated operational current—IEC AC-15
Make contact (1800 VA)
120V 15A 15A
240V 15A 15A
415V 0.5A 0.5A
500V 0.5A 0.5A
Break contact (180 VA)
120V 1.5A 1.5A
240V 1.5A 1.5A
415V 0.9A 0.9A
500V 0.8A 0.8A
IEC DC-13 (L/R F 15 ms1)
0–250V 1.0A 1.0A
Rated operational current—UL B600
Make contact (3600 VA)
120V 30A 30A
240V 15A 15A
480V 7.5A 7.5A
600V 6A 6A
Break contact (360 VA)
120V 3A 3A
240V 1.5A 1.5A
480V 0.75A 0.75A
600V 0.6A 0.6A
R300—Vdc ratings (28 VA)
0–120V 0.22A 0.22A
250V 0.11A 0.11A
Short-Circuit Rating without Welding
Maximum fuse 6A gG/gL 6A gG/gL
Environmental Ratings
Ambient temperature (operating) –13°F to 149°F (–25°C to 65°C) –13°F to 149°F (–25°C to 65°C)
Ambient temperature (storage) –40°F to 185°F (–40°C to 85°C) –40°F to 185°F (–40°C to 85°C)
Operating humidity UL 991 (H3) 5% to 95% non-condensing 5% to 95% non-condensing
Altitude (no derating) NEMA ICS1 2000m 2000m
Shock (IEC 600068-2-27) 15g any direction 15g any direction
Vibration (IEC 60068-2-6) 3g any direction 3g any direction
Pollution degree per IEC 60947-4-1 3 for product (2 for pcb) 3 for product (2 for pcb)
Ingress protection IP20 IP20
Protection against direct contact when actuated from front (IEC 536) Finger- and back-of-hand proof Finger- and back-of-hand proof
Mounting position Any Any
Climatic proofing Damp heat, constant to IEC 60068-2-30 Damp heat, constant to IEC 60068-2-30
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14 Control Products Catalog CA08102001E—July 2010 www.eaton.com
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