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Eaton
JT405036
Thermal-Magnetic Trip Unit


Eaton JT405036 Thermal-Magnetic Trip Unit
Series-G
Frame Size -
JG
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(JT310033 Shown)

JT405036 Electronic Trip Units

Number
of Poles
Amperes Digitrip RMS 310+
4 50 Electronic LSIG

JT405036 Dimensions

Dimensions in Inches (mm) Approx.
Shipping
Weight
Height Width Depth
7.00 (177.8) 5.34 (135.6) 3.57 (87.4) 1lb. 7oz.

JT405036 Technical Data

Breaker Type
Eaton frame(s) JG-, LG-, NG- and RG-Frames  RG-Frame RG-Frame
Ampere rating 20–2500A  800–2500A 800–2500A
Interrupting rating at 415V 35, 70, 100 kA 70, 100 kA 70, 100 kA
Trip Unit Sensing
rms sensing Yes  Yes Yes
Protection and Coordination
Protection    Ordering options  LS, LSG LSI, LSIG LI, LS, LSI, LIG, LSG, LSIG LI, LS, LSI, LIG, LSG, LSIG
Fixed rating
plug (In)(1)   
Yes Yes Yes Yes
Overtemperature
trip
Yes Yes  Yes Yes
Long delay   Adjustable rating
plug (ln)(1)
Yes Yes  No No
Long delay
setting
0.5–1.0 (ln)(2) 0.5–1.0 (ln)(2) 0.5–1.0 x (ln) 0.5–1.0 x (ln)
Long delay
time I2t at 6x
10 seconds(2) 10 seconds(2) 2–24 seconds 2–24 seconds
Long delay
thermal memory   
Yes Yes Yes Yes
High load
alarm
 No No  0.85 x Ir 0.85 x Ir
Short delay Short delay
setting
VAR/frame 3 VAR/frame 3  200–600% S1 and S2 x (Ir)  200–600% S1 and S2 x (Ir)
Short delay
time I2t
100 ms No 100, 300, 500 ms 100, 300, 500 ms
Short delay
time flat  
No I–300 ms 100–500 ms 100–500 ms
Short delay
time ZSI
No No Yes Yes
Instantaneous Instantaneous
setting
No 200–800% x (ln) 4 200–600% M1 and M2 x (ln) 200–600% M1 and M2 x (ln)
Discriminator No  No Yes(5) Yes(5)
Instantaneous
override
Yes   Yes Yes Yes
Ground fault Ground fault
setting
VAR/Frame 6 VAR/Frame 6 25–100% x (ln) 6 25–100% x (ln) 6
Ground fault
delay I2t
at 0.62x
No No 100, 300, 500 ms 100, 300, 500 ms
Ground fault
delay flat
I–500 ms(7) I–500 ms(7) 100–500 ms 100–500 ms
Ground fault
ZSI 
No No  Yes Yes
Ground fault
thermal memory 
No No Yes Yes
System Diagnostics
  LS, LSG LSI, LSIG LSI, LSIG, LSIG (A) LSI (A), LSIG
Cause of trip LEDs Yes D No Yes Yes
Magnitude of trip information No No Yes Yes
Remote signal contacts No No Yes Yes
System Monitoring
Digital display Yes® No Yes Yes
Current Yes® No Yes Yes
Voltage Yes® No No Yes
Power and energy Yes® No No Yes
Power quality—harmonics No No No Yes
Power factor No No No Yes
System Communications
PowerNet No No No Yes
Field Testing
Testing method Test Set Test Set Integral Integral

NOTES:
D Using cause of trip module (catalog number TRIP-LED).
® Using ammeter or remote ammeter/cause of trip display (catalog number DIGIVIEW and DIGIVIEWR06).
In = Rating plug rating.
Ir = Long delay setting.
(1) JG- and LG-Frames have selectable settings instead of a rating plug.
(2) JG-, LG- and NG-Frames have adjustable long delay times of 2–24 seconds.
(3) JG/LG: 2X–14X (In); NG: 2X–8X (In); RG: 2X–8X (In); 2500 ampere RG-Frame 200–600% x (In).
(4) JG-Frame also has a 14X setting.
(5) LS, LSG only.
(6) Not to exceed 1200 amperes.
(7) JG- and LG-Frames are Instantaneous, 120 ms. NG- and RG-Frames are Instantaneous, 100, 300 and 500 ms.




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