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Technical Data and Specifications
Technical Data and Specifications
Electronic Overload Relay Ratings
Electronic Overload Relays Up to 1500A—Ratings and Specifications
Description
Electrical Ratings
Operating voltage (three-phase) and frequency
FLA Range
Use with Contactors
XT IEC frames
Freedom NEMA sizes
Trip Class
Motor Protection
Thermal overload setting
Feature
Phase loss
Phase unbalance (selectable: enable/disable)
Ground fault (selectable: enable/disable)
Reset
Indicators
Trip status
Mode LED
Options
Remote reset
Reset bar
Communication expansion module
Communication adapter
Capacity
Load terminals
Terminal capacity
Tightening torque
Input, auxiliary contact and remote reset terminals
Terminal capacity
Tightening torque
4
C440/XTOE Electronic Overload Relay, PROFIBUS MN04210003E—March 2011 www.eaton.com
Specification
45 mm
Range
690 Vac (60/50 Hz)
0.33–1.65A; 1–5A; 4–20A; 9–45A
B, C, D
00, 0, 1, 2
10A, 10, 20, 30; selectable
1.05 x FLA: does not trip
1.15 x FLA: overload trip
Range
Fixed threshold 50%
Fixed threshold 50%
50% of FLA dial setting
>150% = 2 sec
>250% = 1 sec
Manual/automatic
Orange flag
One flash: Overload operating properly
Two flashes: Current is above FLA dial setting—
pending trip
Yes
Yes
Yes
Yes
2
12–10 AWG (4–6 mm
)
2
8–6 AWG (6–16 mm
)
20–25 lb-in (2.3–2.8 Nm)
25–30 lb-in (2.8–3.4 Nm)
2 x (18–12) AWG
5.3 lb-in (0.8–1.2 Nm)
55 mm
Range
690 Vac (60/50 Hz)
20–100A
F, G
3
10A, 10, 20, 30; selectable
1.05 x FLA: does not trip
1.15 x FLA: overload trip
Range
Fixed threshold 50%
Fixed threshold 50%
50% of FLA dial setting
>150% = 2 sec
>250% = 1 sec
Manual/automatic
Orange flag
One flash: Overload operating properly
Two flashes: Current is above FLA dial setting—
pending trip
Yes
Yes
Yes
Yes
2
6–1 AWG (16–50 mm
)
25–30 lb-in (2.8–3.4 Nm)
2 x (18–12) AWG
5.3 lb-in (0.8–1.2 Nm)
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