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MS-Series
Hydraulic-Magnetic Circuit Breaker
P RO DU C T WE BPAGE
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Sealed Metal Toggle
The MS-Series hydraulic-magnetic circuit breaker with
sealed metal toggle actuator is compact in size, but
ruggedly designed to meet IP68 requirements and MIL-
PRF-39019F ingress protection when panel mounted.
Additionally, it is MIL-PRF-55629 and MIL STD 202 compliant,
making it ideal for COTS military applications, crucial
communication equipment and other mission critical
components. MS-Series breakers are available as a one
to three pole configuration with ratings from 0.02 to 30
amps, up to 240VAC/65VDC and 3,000 amps max IC.
Poles
1-3
Amps
0.20-30
VAC
120/250
VDC
65
Typical Applications
∙
Vehicles
∙
Communication Equipment
∙
Generators
∙
Power Supplies
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860.793.9281
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Design Features
SEALS
COMPACT SIZE
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
1.375 in
[34.93 mm]
0.65 in
[16.51 mm]
2.158 in
[54.81 mm]
TERMINAL BARRIERS
Meet UL 1077 Spacing Requirements
OPTIONAL AUXILIARY SWITCH
Provides Breaker Status Indication
2.
Tech Specs
Electrical
Current Ratings
Voltage Ratings
Short Circuit Rating
Auxiliary Switch Rating
.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
10,000 ON-OFF operations @ 6
per minute; with rated Current &
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.
Trip Free
Dielectric Strength
Trip Indication
Insulation Resistance
Time Delay Impedance
RESISTANCE, IMPEDANCE VALUES
from Line to Load Terminals
(Values Based on Series Trip Circuit Breaker)
1000
Environmental
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.
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.
Method 101, Condition A (90-
95% RH @ 5% NaCl Solution, 96 hrs)
Method 106G
Method 107D, Condition A (Five
cycles @ -55°C to +25°C to
+85°C to +25°C
-40°C to +85°C
MIL-PRF-55629C when mounted
in panel.
Materials used in this product
are non-nutrient to fungus
growth.
CURRENT
(AMPS)
TOLERANCE
(%)
100
0.20 - 30.0
25
Vibration
10
O
H
M
S
1
0.1
0.01
0.001
Salt Spray
0.01
AMPERE RATING
0.1
1
10
100
Physical
Number of Poles
Weight
Dimensions
1-3 poles
Approximately 1.8 oz (50 G) per pole
See dimensional specs
Moisture Resistance
Thermal Shock
Operating Temperature
Ingress Protection Level
Other
Agency Certification
UL Standard 1077
cRUus Standard C22.2
TUV Certified
Tables
Table A:
Lists UL & cRUus Configuration & Performance Capabilities
Component Supplementary Protectors
Circuit
Configuration
Voltage
Max Rating
Frequency
Phase
Current Rating
General Purpose Amps
Poles
Breaking
Series
65
240
120 / 240
DC
50 / 60
50 / 60
---
1
1
0.02 - 30
0.02 - 30
0.02 - 30
1
1, 2
2 or 3
3000
2000
2000
Short Circuit
Capacity (Amps)1
UL / cRUus
TUV
2
U1
U3
Inc
Icn
300
300
300
3000
3000
3000
300
300
300
3.
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
*Manufacturer reserves the right to change product specification without prior notice.
Ordering Scheme
Sample
Part Number
Selection
M S 1 - B - 14 - 615 - C - 1 C B - A - 0A A
1
2
3
4
5
6
7
8
9
10
11
12
13
1. SERIES
M
7. TERMINAL
1
2
3
C
E
L
Push-On 0.250 Tab (QC)
Screw 8-32 (Upturned Lugs)
Screw 8-32 (Bus Type)
Screw Terminal M4 (Upturned Lugs)
Screw Terminal M4 (Bus Type)
Solder Lug
2. ACTUATOR
S
1
Sealed Toggle
3. POLES
1
One
2
Two
3
Three
8. ACTUATOR & MARKING COLOR
1
Dull Metallic
4. CIRCUIT
A
B
M
9
Switch Only (no coil)
1, 2
Series Trip (current)
Series Trip (current) Aux switch .110 QC x 0.20 QC (silver contacts)
Series Trip (current) Aux switch .110 QC x 0.20 QC (gold contacts)
9. FRONT PANEL HARDWARE
A
B
C
F
G
No Outer Panel Hardware
Hex Nut, Nickel Plated
Hex Nut, Nickel Plated with Locking Ring
Panel Dress Nut, Nickel Plated
Panel Dress Nut, Nickel Plated with Locking Ring
5. FREQUENCY & DELAY
03
10
12
14
20
22
24
30
DC, 50/60Hz, Switch Only
1
DC, Instantaneous
DC, Short
DC, Medium
50/60Hz Instantaneous
50/60Hz Short
50/60Hz Medium
DC, 50/60Hz Instantaneous
32
DC, 50/60Hz Short
34
DC, 50/60Hz Medium
62
50/60Hz Short, High-inrush
4
64
50/60Hz Medium, High-inrush
4
72
DC, Short, High-inrush
4
74
DC, Medium, High-inrush
4
92
DC, 50/60Hz Short, High-inrush
4
94
DC, 50/60Hz Medium, High-inrush
4
10. LEGEND PLATE
A
B
C
D
E
F
G
No Legend Plate
On-Off Vertical
On-Off Horizontal
I-O Vertical
I-O Horizontal
Dual Vertical
Dual Horizontal
6. CURRENT RATING (AMPERES)
220
225
230
235
240
245
250
255
260
265
270
275
280
285
290
CODE
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
AMPERES
11. BUSHING COLOR
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
A
Nickel Plated / Multipole Version
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
12. VOLTAGE CODE
0A
0D
0C
0N
17
65 VDC
240 VAC
120/240 VAC
3
65 VDC / 120/240 VAC
3
65 VDC / 240 VAC
13. AGENCY APPROVAL
A
B
C
E
U
Without approvals
UL Recognized
UL & cRUus Recognized
TUV Certified, UL Recognized, cRUus Recognized
TUV Certified
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)
Configure Complete Part Number >
Browse Standard Parts >
4.
Dimensional Specs
inches [millimeters]
0.625
[15.87]
0.750
[19.05]
6-32 UNC-2B
2 PLACES
1.375
[34.93]
1.950
[49.53]
0.650
[16.51]
1.300
[33.02]
2.158
[54.81]
30.0
ON
OFF
3.268
[83.00]
.375-32 UNEF-2A THREAD
0.125
[3.18]TYP
0.375
[9.53]
0.375
[9.53]
0.687
[17.45]
0.687
[17.45]
0.140
[3.56]TYP
0.391
[9.93]TYP
0.325
[8.26]TYP
PANEL MOUNTING DETAIL
PANEL THICKNESS 0.125” TO 0.156”
Notes:
1
Tolerance ±.020 [.51] unless otherwise specified.
5.
CLA-8126 Rev: A
*Manufacturer reserves the right to change product specification without prior notice.
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