Eaton
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Series-C Frame Size - L Part Index CLICK HERE |
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Type HLD (3-Pole) Shown |
Number of Poles |
Amperes | Interrupting Capacity |
Terminals |
---|---|---|---|
3 | 250 | Standard 600 Vac Rated 35 kAIC at 480 Vac LSIA |
Standard |
Digitrip RMS 310 Trip Unit KEY:
L – Adjustable Long Delay Pickup (By Adjustable Rating Plug)
S – Adjustable Short Delay Pickup with Fixed Short Delay Time (I2t Response) or Adjustable Short Delay Time (Flat Response)
I – Adjustable Instantaneous Pickup by Setting Short Delay Time to Instantaneous
G – Adjustable Ground Fault Pickup with Adjustable Ground Fault Delay (Flat Response)
UL 489 Interrupting Capacity Ratings(1) | |||||||
Circuit Breaker Type |
Number of Poles |
Interrupting Capacity (kA rms Symmetrical Amperes) | |||||
---|---|---|---|---|---|---|---|
Volts AC (50/60 Hz) | Volts DC | ||||||
240 | 277 | 480 | 600 | 125 | 250(2)(3) | ||
LDB | 2, 3 | 65 | — | 35 | 25 | — | 22 |
LD | 2, 3, 4 | 65 | — | 35 | 25 | — | 22 |
CLD(4) | 2, 3, 4 | 65 | — | 35 | 25 | — | — |
HLD, HLDB | 2, 3, 4 | 100 | — | 65 | 35 | — | 25 |
CHLD(4) | 2, 3, 4 | 100 | — | 65 | 35 | — | — |
LDC, LDCB(5) | 2, 3, 4 | 200 | — | 100 | 50 | — | 30 |
CLDC(4)(5) | 2, 3, 4 | 200 | — | 100 | 50 | — | — |
IEC 947-2 Interrupting Capacity Ratings(1) | |||||||||
Circuit Breaker Type |
Number of Poles |
Interrupting Capacity (kA Symmetrical Amperes) | |||||||
---|---|---|---|---|---|---|---|---|---|
Volts AC (50/60 Hz) | Volts DC | ||||||||
240 | 415 | 690 | 250(2)(3) | ||||||
ICU | ICS | ICU | ICS | ICU | ICS | ICU | ICS | ||
LDB | 2, 3 | 85 | 85 | 45 | 45 | 20 | 10 | 20 | 10 |
LD | 2, 3, 4 | 85 | 85 | 45 | 45 | 20 | 10 | 20 | 10 |
CLD(4) | 2, 3, 4 | 85 | 85 | 45 | 45 | 20 | 10 | — | — |
HLD, HLDB | 2, 3, 4 | 100 | 100 | 70 | 70 | 25 | 13 | 20 | 10 |
CHLD(4) | 2, 3, 4 | 100 | 100 | 70 | 70 | 25 | 13 | — | — |
LDC, LDCB | 2, 3, 4 | 200 | 100 | 100 | 75 | 35 | 18 | 20 | 10 |
CLDC(4) | 2, 3, 4 | 200 | 100 | 100 | 75 | 35 | 18 | — | — |
NOTES:
(1) Utilization Category A circuit breakers.
(2) L/R = 8 milliseconds minimum.
(3) Two-pole circuit breaker or two poles of three-pole circuit breaker. Incorporating thermal-magnetic trip unit only.
(4) 100% rated breakers.
(5) Current limiting.
Trip Unit Type |
Digitrip RMS 310 |
Digitrip OPTIM 550 |
Digitrip OPTIM 1050 |
|
---|---|---|---|---|
rms sensing | Yes | Yes | Yes | Yes |
Breaker Type | ||||
Frame | L | L | L | L |
Ampere range | 300–600A | 300–600A | 200–600A | 200–600A |
Interrupting rating at 480 volts |
35, 65, 100 (kA) | 35, 65, 100 (kA) | 35, 65, 100 (kA) | 35, 65, 100 (kA) |
Protection | ||||
Ordering options | LS, LSG | LSI, LSIG | LSI, LSI(A), LSIG | LSI(A), LSIG |
Fixed rated plug (In) |
Yes | Yes | Yes | Yes |
Overtemperature trip |
Yes | Yes | Yes | Yes |
Long Delay Protection (L) | ||||
Adjustable rating plug (In) |
Yes | Yes | No | No |
Long delay pickup |
0.5–1.0 (In)(1) | 0.5–1.0 (In)(1) | 0.4–1.0 x (In) | 0.4–1.0 x (In) |
Long delay time I2t |
12 seconds | 12 seconds | 2–24 seconds | 2–24 seconds |
Long delay time I4t |
No | No | 1–5 seconds | 1–5 seconds |
Long delay thermal memory |
Yes | Yes | Yes | Yes |
High load alarm |
No | No | 0.5–1.0 x Ir | 0.5–1.0 x Ir |
Short Delay Protection (S) | ||||
Short delay pickup |
200–800% x (In) | 200–800% x (In) | 150–800% x (Ir) | 150–800% x (Ir) |
Short delay time I2t |
100 ms | No | 100–500 ms | 100–500 ms |
Short delay time flat |
No | Inst–300 ms | 100–500 ms | 100–500 ms |
Short delay time zone selective interlocking |
No | No | Yes(4) | Yes |
Instantaneous Protection (I | ||||
Instantaneous pickup |
No | 200–800% x (In) | 200–800% x (In) | 200–800% x (In) |
Discriminator | No | No | Yes | Yes |
Instantaneous override |
Yes | Yes | Yes | Yes |
Ground Fault Protection (G) | ||||
Ground fault alarm |
No | No | 20–100% x (Is) | 20–100% x (Is) |
Ground fault pickup |
1–5 x Ig (120A) | 1–5 x Ig (120A) | 20–100% x (Is) | 20–100% x (Is) |
Ground fault delay I2t | No | No | 100–500 ms | 100–500 ms |
Ground fault delay flat |
Inst–500 ms | Inst–500 ms | 100–500 ms | 100–500 ms |
Ground fault zone selective interlocking |
No | No | Yes 4 | Yes |
Ground fault thermal memory |
Yes | Yes | Yes | Yes |
System Diagnostics | ||||
Status LEDs | Yes | Yes | Yes | Yes |
Cause of trip LEDs |
No | No | Yes | Yes |
Magnitude of trip information |
No | No | Yes | Yes |
Remote signal contact ground alarm |
Yes(5) | Yes(5) | Yes(4) | Yes |
Local auxiliary and bell alarm contact |
Optional | Optional | Optional | Included |
System Monitoring | ||||
Digital display | No | No | Yes(1) | Yes(1) |
Current | No | No | Yes | Yes |
Power and energy |
No | No | No | Yes |
Power quality harmonics |
No | No | No | Yes |
Power factor | No | No | No | Yes |
Communications | ||||
PowerNet | No | No | Yes(2) | Yes |
Testing | ||||
Testing method | Test set | Test set | OPTIMizer, BIM, PowerNet | OPTIMizer, BIM, PowerNet |
Legend |
Notes: |
Number of Poles | Width | Height | Depth |
---|---|---|---|
2, 3 | 8.25 (209.6) | 10.75 (273.1) | 4.06 (103.1) |
4 | 11.00 (279.4) | 10.75 (273.1) | 4.06 (103.1) |
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