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L-Series
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Hydraulic Magnetic Circuit Breaker
Space Saving Design for Datacom/Telecom
Optional Integrated Current Transformer
The L-Series high performance, hydraulic-magnetic
circuit breaker is ideal for the confined spaces of
datacom/telecom power distribution units and rack
systems. The space saving design features an optional
current transformer with a 1% sensitivity tolerance for
simple monitoring of the power consumed by storage
and routing devices. A patented flush rocker actuator
and optional push-to-reset guard protect against
inadvertent actuation. The L-Series is rated from 0.1-32
amps, up to 240VAC with a max IC of 5,000 amps.
1-3 1-32 240
Poles
Amps
VDC Max
5000
Max Interrupting Capacity
Typical Applications
∙
Datacom/Telcom: Power Distribution Units, Data Servers, Data Storage
www.carlingtech.com
860.793.9281
sales
@
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Tech Specs
Electrical
Maximum Voltage
Current Ratings
AC, 415Y/240VAC (see table A)
UL489, AC, 240VAC (see table A)
Integratedcurrent
transformer.
Measurement range: 1-32 Amps
Voltage output: 10mV per Amp
according to the formula below:
2 (Amp) ≤ I ≤ 32(Amp)
V = 0.01× I ± 2%
(with current metering codes 1 or 2)
V = 0.01× I ±1%
(with current metering codes 3 or 4).
V V
10
I I
10
V
10
I
10
Mechanical
Endurance
Endurance 10,000 “On-Off”
Operations @ 6 per minute; with
rated Current & Voltage
Trips on overload even when
actuator is forcibly held in the “On”
position.
The operating actuator moves
positively to the “Off” position when
an overload causes the breaker to
trip
Trip Free
Trip Indication
Physical
Number of Poles
Termination
Termination Barrier
Mounting
Actuator
Internal Circuit Config.
Materials
1-3 poles
Screw Terminals with the following
thread sizes: 10-32, 8-32, M5, M4
Standard for 2 & 3 poles
Threaded Insert: #6-32 UNC-2B, or
M3X0.5-6H B ISO (2 per Pole)
Rocker, with or without guard
Series Trip
Housing - Glass Filled Polyester
Rocker – Nylon 6/6
Line/Load Terminals – Copper Alloy;
Bright Acid Tin Plated
~107 Grams (~3.76 Ounces) per pole
Housing - Black; Rocker - Black
0.85%
I~
(FROM 1 - 32 AMPS)
Where V=CT output in volts
V10=CT output in volts with
I=I10=10 (A); I=primary current
in amperage (50/60 Hz). Phase
shift between primary current
and CT output is 0.25±0.25°.
Maximum crest factor of primary
current is 1.73.
R1 shall be integrated in the breaker.
R2 and R3 are provided by end user
and external to the breaker.
Connection: below Load Terminal.
2-pin connector, Molex® 35362-0250.
Mating Connector housing – Molex®
PN35507-0200.
R2=14Ω±Y%
R1=28Ω±Y%
R3=14Ω±Y%
V
V=0.01 X (I)
Weight
Standard Colors
Environmental
Enviromental
Operating Temperature
Vibration
MIL-PRF-55629 and MIL-STD-202G
-40ºC to +85 ºC
Withstands 0.06” excursion from
10-55 Hz and 10Gs 55-500 Hz at
rated current per MIL-PRF-55629
and MIL-STD-202G, Method 204D,
Test Condition A. Instantaneous
and ultra-short curves tested at
90% of rated current.
Withstands 100 Gs, 6 ms saw tooth
while carrying rated current per
MIL-PRF-55629 and MIL-STD-
202G, Method 213B, Test Condition
“I”. Instantaneous and ultra short
curves tested at 90% of rated
current.
MIL-PRF-55629 and MIL-STD-
202G, Method 107G, Condition A
(5-cycles at -55ºC to +25ºC to
+85ºC to +25ºC).
MIL-PRF-55629 and MIL-STD-
202G, Method 106G, i.e., Ten 24-
hour cycles at +25ºC to +65ºC, 80-
98% RH.
Method 101, Condition A (90-95%
RH @ 5% NaCl Solution, 96hrs)
Note: When current metering code is 1 or 2; Y to equal 1.0
When current metering code is 3 or 4; Y to equal 0.1
I : 1400
CT
Dielectric Strength
UL, CSA-1960V 50/60 Hz for one
minute between all electrically
isolated terminals. Comply with the
8mm spacing and 3750V 50/60
Hz dielectric requirements from
hazardous voltage to operator
accessible surfaces and between
main circuits of adjacent poles per
Publications EN 60950 & VDE 0805
See next page
Minimum of 100
Megohms@500VDC
50 operations @ 600% of rated
See Table A
Shock
Impedance
Insulation Resistance
Overload
Interrupt Capacity
Thermal Shock
Agency Approvals
UL489, cULus, TUV (EN60934)
Moisture Resistance
Salt Spray
3.
*Manufacturer reserves the right to change product specification without prior notice.
Ordering Scheme
Sample
Part Number
Selection
L 1 1 - B 0 - 24-620 - 4 2 1 - D G
1
2
3
4
5
6
7
8
9
10
11
12
1. SERIES
L
8. TERMINAL
2
4
E
H
2. ACTUATOR
1
2
3
4
Single Color Low Profile Rocker, Vertical Legend
Single Color Low Profile Rocker, Horizontal Legend
Single Color Push to Reset Low Profile Rocker, Vertical Legend
Single Color Push to Reset Low Profile Rocker, Horizontal Legend
Screw Terminal, 8-32 (Bus Type)
Screw Terminal, 10-32 (Bus Type)
Screw Terminal, M4 (Bus Type)
Screw Terminal, M5 (Bus Type)
4
9. ACTUATOR COLOR & LEGEND
Actuator Color
White
Black
Red
Green
Blue
Yellow
Gray
Orange
I-O
A
C
F
H
K
M
P
R
ON-OFF
B
D
G
J
L
N
Q
S
3
3. POLES
1
One
2
Two
3
Three
1
B
4. CIRCUIT
Series Trip (Current)
Dual
1
2
3
4
5
6
7
8
Legend Color
Black
White
White
White
White
Black
Black
Black
5. CURRENT METERING
10. MOUNTING INSERTS
1
A
2
B
0
Without Current Transformer
1
2
Integrated Current Transformer, +/- 2%, 1 per unit
2
Integrated Current Transformer, +/- 2%, 1 per pole
3
2,6
Integrated Current Transformer, +/- 1%, 1 per unit
4
6
Integrated Current Transformer, +/- 1%, 1 per pole
6-32 X .195 Threaded Inserts
6-32 X .195 Threaded Inserts with Terminal Barrier
ISO M3 X 5 mm Threaded Inserts
ISO M3 X 5 mm Threaded Inserts with Terminal Barrier
6. FREQUENCY & TIME DELAY
20
21
22
24
26
42
44
46
50 / 60Hz Instantaneous
2
50 / 60Hz Ultra Short
50 / 60Hz Short
50 / 60Hz Medium
50 / 60Hz Long
50 / 60Hz Short, Hi-Inrush
50 / 60Hz Medium, Hi-Inrush
50 / 60Hz Long, Hi-Inrush
11. MAX. APPLICATION RATING
C
1
120/240 VAC (2 or 3 Pole only)
D
240 VAC
P
4
415Y/240 VAC (TUV only) 240 VAC 3 phase Delta
12. AGENCY APPROVAL
A
G
3
Without approvals
UL 489 Listed
UL 489 Listed, TUV Certified
7. CURRENT RATING (AMPERES)
CODE AMPERES
410
512
415
517
420
522
425
527
430
435
1.000
1.250
1.500
1.750
2.000
2.250
2.500
2.750
3.000
3.500
440
445
450
455
460
465
470
475
480
485
4.000
4.500
5.000
5.500
6.000
6.500
7.000
7.500
8.000
8.500
490
495
610
710
611
711
612
712
613
614
9.000
9.500
10.000
10.500
11.000
11.500
12.000
12.500
13.000
14.000
615
616
617
618
620
622
624
625
630
632
15.000
16.000
17.000
18.000
20.000
22.000
24.000
25.000
30.000
32.000
Notes:
1
3 Pole units available only when one of three poles is neutral
2
On Multi Pole units one current transformer is supplied on the actuator pole
3
Terminal barriers are required on multi poles breaker
4
Voltage rating P only available as a 3 pole device 20A max
5
Only available with approval code “A”
6
+/-1% tolerance only available when used with +/-0.1% tolerance external
burden resistor.
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