MS-Series
MS-Series
CIRCUIT BREAKER
Designed and tested to operate flawlessly in the harshest of environments, the MS-Series sealed toggle circuit
breaker is ideally suited for COTS (commercial off the shelf) military applications. Our space saving envelope
meets IP68 requirements and features a durable metal and sealed mounting bushing with MIL-PRF-39019F
ingress protection when mounted in a panel.
This class-leading, affordable circuit breaker was designed in accordance with the requirements of MIL-
PRF-55629 and MIL STD 202, making it the best choice for those applications where shock, vibration, moisture
resistance, salt spray and thermal shock are of the utmost consideration. The MS-Series’ compact size and
reliability make it ideal for crucial communication equipment and other mission critical components.
1-3 poles; 0.20-30 amps; 65VDC, 240VAC, 120/240VAC; UL, CUL recognized & TUV certified.
Resources:
Download 3D CAD Files
IGS
STP
Watch Product Video
Product Highlights:
Sealed Toggle Actuator
MIL-PRF-39019F Ingress Protection
MIL-PRF-55629 and MIL STD 202
Compliant
Compact Design
Typical Applications:
COTS Military
• Communication Equipment
Off Highway Equipment
• Construction, Mining & Agriculture
Generators & Power Supplies
Harsh Environment Applications
Carling Technologies, Inc.
60 Johnson Avenue, Plainville, CT
06062
Email:
sales
@
carlingtech.com
Application Support:
team2
@
carlingtech.com
Phone:
860.793.9281
Fax:
860.793.9231
www.carlingtech.com
2 |
MS-Series Circuit Breaker - Design Features
MS-Series
SEALS
DESIGN FEATURES
IP68 Designed and tested to comply
with MIL-PRF-39019F Ingress Protection
Max performance in compact size: 0.20-30
Amps; 65 VDC, 240 VAC 120/240 VAC
COMPACT SIZE
1.375 in
[34.93 mm]
0.65 in
[16.51 mm]
2.158 in
[54.81 mm]
Meet UL 1077 Spacing Requirements
TERMINAL BARRIERS
Provides Breaker Status Indication
OPTIONAL AUXILIARY SWITCH
Email: sales
@
carlingtech.com Application Support: team2@carlingtech.com
Phone: (860) 793–9281 Fax: (860) 793–9231
www.carlingtech.com
MS-Series Circuit Breaker - General Specifications
| 3
Electrical Tables
Table A:
Lists UL & cUL Configuration & Performance Capabilities
MS-SERIES TABLE A: COMPONENT SUPPLEMENTARY PROTECTORS
Voltage
Current Rating
Circuit
Poles
Max Rating Frequency Phase General Purpose Amps Breaking
Configuration
65
DC
---
0.02 - 30
1
Series
240
50 / 60
1
0.02 - 30
1, 2
120 / 240
50 / 60
1
0.02 - 30
2 or 3
Short Circuit
Capacity (Amps)
1
UL / cUL
TUV
2
U1
U3
Inc
Icn
3000
300
3000
300
2000
300
3000
300
2000
300
3000
300
Notes:
1 Short Circuit Current Rating (SC) Codes — The short-circuit current rating, followed by a letter and number designating the test conditions
and any calibration following the short-circuit test as defined below:
U - Indicates that the short circuit test was performed without a series fuse
1 - Indicates that a re-calibration was not performed as part of the short circuit testing
3 - Indicates that the protector has proven to be suitable for further use after the short circuit test
Re-calibration, dielectric strength and voltage withstand tests were performed after the short circuit testing
2 - Inc rating obtained with a 50 Amp type gL fuse
Electrical
Current Ratings
Voltage Rating
Short Circuit Rating
Auxiliary Switch Rating
Dielectric Strength
Insulation Resistance
Time Delay
Impedance
.02 - 30 Amps
65VDC, 240VAC, 120/240VAC
See Table A
5A @ 125VAC,
3A @ 32VDC,
.1A @ 125VAC, 32VDC
UL,CSA 1500V, 50/60 Hz for one
minute between all electrically
isolated terminals.
Minimum of 100 Megohms @
500VDC
See delay curve
Mechanical
Current Ratings
Trip Free
Trip Indication
10,000 On-Off operations @ 6 per
minute with rated current and
voltage.
Trips on short circuit and
overload, even when the actuator
is forcibly held in the “On”
position.
The operating handle moves
positively to the “Off” position
when a short circuit or overload
causes the circuit breaker to trip.
Environmental
CURRENT
(AMPS)
TOLERANCE
(%)
0.20 - 30.0
25
Physical
Dimensions
Number of Poles
Weight
1-3 poles
Approximately 1.8 oz (50 G) per
pole
See form & fit drawing
Agency Certifications
UL Standard 1077
CUL Standard C22.2
TUV Certified
Designed in accordance with requirements of specification
MIL PRF-55629 & MIL-STD-202G as follows:
Shock
Withstands 100G’s, 6ms, saw
tooth while carrying rated current
per Method 213, Condition I.
Instantaneous curves tested at
80% of rated current.
Vibration
Withstands 0.060” excursion from
10-55 Hz, and 10G’s 55-500 Hz,
at rated current per Method
204C, Test Condition A.
Instantaneous curves tested at
80% of rated current.
Salt Spray
Method 101, Condition A (90-
95% RH @ 5% NaCl Solution, 96 hrs)
Moisture Resistance
Method 106G
Thermal Shock
Method 107D, Condition A (Five
cycles @ -55°C to +25°C to
+85°C to +25°C
Operating Temperature
-40°C to +85°C
Ingress Protection Level MIL-PRF-55629C when mounted
in panel.
Other
Materials used in this product
are non-nutrient to fungus
growth.
*Manufacturer reserves the right to change product specification without prior notice.
Email: sales
@
carlingtech.com Application Support: team2@carlingtech.com
Phone: (860) 793–9281 Fax: (860) 793–9231
www.carlingtech.com
4 |
MS-Series Circuit Breaker - Ordering Scheme
1
Series
M S 1
2
Actuator
3
Poles
4
Circuit
B
5
Frequency
& Delay
14
6
Current
Rating
615
7
Terminal
C
8
Actuator
Color
1 C B
9
10
Front
Legend
Panel
Plate
Hardware
11
Bushing
Color
A 0A A
12
Voltage
Code
13
Agency
Approval
1 SERIES
M
2 ACTUATOR
S
Sealed Toggle
3 POLES
1
One
7 TERMINAL
1
Push-On 0.250 Tab (QC)
2
Screw 8-32 (Upturned Lugs)
3
Screw 8-32 (Bus Type)
C
Screw Terminal M4 (Upturned Lugs)
E
Screw Terminal M4 (Bus Type)
L
Solder Lug
2
Two
3
Three
8 ACTUATOR & MARKING COLOR
1
Dull Metallic
9 FRONT PANEL HARDWARE
A
No Outer Panel Hardware
B
Hex Nut, Nickel Plated
C
Hex Nut, Nickel Plated with Locking Ring
F
Panel Dress Nut, Nickel Plated
G
Panel Dress Nut, Nickel Plated with Locking Ring
10 LEGEND PLATE
A
No Legend Plate
B
On-Off Vertical
C
On-Off Horizontal
D
I-O Vertical
E
I-O Horizontal
F
Dual Vertical
G
Dual Horizontal
11 BUSHING COLOR
A
Nickel Plated / Multipole Version
12 VOLTAGE CODE
0A
65 VDC
0D
240 VAC
0C
120/240 VAC
3
0N
65 VDC / 120/240 VAC
3
17
65 VDC / 240 VAC
13 AGENCY APPROVAL
A
Without approvals
B
UL Recognized
C
UL & cUL Recognized
E
TUV Certified, UL Recognized, CUL Recognized
U
TUV Certified
4 CIRCUIT
A
Switch Only (no coil)
1, 2
B
Series Trip (current)
M
Series Trip (current) Aux switch .110 QC x 0.20 QC (silver contacts)
9
Series Trip (current) Aux switch .110 QC x 0.20 QC (gold contacts)
5 FREQUENCY & DELAY
03
DC, 50/60 Hz, Switch Only
1
10
DC, Instantaneous
12
DC, Short
14
DC, Medium
20
50/60 Hz Instantaneous
22
50/60 Hz Short
24
50/60 Hz Medium
30
DC, 50/60 Hz Instantaneous
6 CURRENT RATING (AMPERES)
CODE
32
34
62
64
72
74
92
94
DC, 50/60 Hz Short
DC, 50/60 Hz Medium
50/60 Hz Short, Hi-Inrush
4
50/60 Hz Medium, Hi-Inrush
4
DC, Short, High-Inrush
4
DC, Medium, High-Inrush
4
DC, 50/60 Hz Short, Hi-Inrush
4
DC, 50/60 Hz Medium, In-rush
4
220
225
230
235
240
245
250
255
260
265
270
275
280
285
290
AMPERES
0.200
0.250
0.300
0.350
0.400
0.450
0.500
0.550
0.600
0.650
0.700
0.750
0.800
0.850
0.900
295
410
512
415
517
420
522
425
527
430
435
440
445
450
455
0.950
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
3.50
4.00
4.50
5.00
5.50
460
465
470
475
480
485
490
495
610
710
611
711
612
712
613
6.00
6.50
7.00
7.50
8.00
8.50
9.00
9.50
10.00
10.50
11.00
11.50
12.00
12.50
13.00
614
615
616
617
717
618
619
620
622
624
625
630
14.00
15.00
16.00
17.00
17.50
18.00
19.00
20.00
22.00
24.00
25.00
30.00
Notes:
1
Series code “A” only available with delay code “03”
2
Only available when tied to a protected pole
3
Requires a 2 or 3 pole device
4
Only available without agency approvals (Approval Code A)
Email: sales
@
carlingtech.com Application Support: team2@carlingtech.com
Phone: (860) 793–9281 Fax: (860) 793–9231
www.carlingtech.com
MS-Series Circuit Breaker - Dimensional Specifications
| 5
Dimensional Specifications: in. [mm]
Notes:
1
All dimensions are in inches [millimeters].
2
Tolerance ±.020 [.51] unless otherwise specified.
Email: sales
@
carlingtech.com Application Support: team2@carlingtech.com
Phone: (860) 793–9281 Fax: (860) 793–9231
www.carlingtech.com
