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Copyright © 2018 Sensata Technologies, Inc.
209/219/229/249/279 SERIES
HYDRAULIC MAGNETIC CIRCUIT PROTECTORS
Introduction
Terminal Style
The 209, E-Frame circuit breaker combines power switching with accurate, reliable circuit protection in a compact single or multipole unit. The unit is
ideal for branch circuit applications such as EDP, air conditioners, panel boards and lighting controls.
The 209 is actually a family of circuit breakers available in one through six pole assemblies with a variety of configurations and terminal styles to
meet your application needs. First in this family is the 209, a general purpose E-Frame circuit breaker which complies with UL Standard 489. Other
members of the family include the 219, for manual controller applications, which complies to UL Standard 508, the 229, for supplementary protectors
applications, which complies to UL Standard 1077, and the 299, a Special Construction version.
209 E-Frame circuit breakers may be specified with either screw terminals, stud or
solderless connectors.
A choice of front or back connected terminal styles is available. The back connected
terminal style is available with stud terminals only. Front terminal style is available with
either screw terminals or solderless connectors.
Refer to Sixth Decision Table for front connected terminal information.
Barriers for back connected terminal styles are supplied on multi-pole units only. Line
and load connections may be made to either terminal and terminals will be identified as
shown on the following page.
Utilizing the hydraulic-magnetic principle, the 209 family adapts itself
to local applications and environments. Temperature conditions, which
affect fuses and other thermal devices, are not a concern. The magnetic
/ampere turn principle minimizes nuisance tripping due to temperature
variations.
Inrush currents, due to ferroresonant transformers, lamps and capacitive
filters, are now becoming more significant. Recognizing the need for this
type of protection, Airpax offers the unique inertial delay which is standard
for all 50/60Hz time delay units, but may be deleted where inrush is not a
problem. No extra cost or special order is required.
The 209 family of circuit breakers withstands high pulses without tripping
or affecting normal delay curves. This performance, however, does not
derate or sacrifice protection.
209/219/229 MAGNETIC CIRCUIT PROTECTORS
DIMENSION A
Number of Poles Dimensions “A”
11.026 ± .010 [26.06 ± 3.30]
22.072 [52.63] Max
33.108 [78.94] Max
44.144 [105.26] Max
55.180 [131.57] Max
66.216 [157.89] Max
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Copyright © 2018 Sensata Technologies, Inc.
.200
[5.08]
.220
[5.59]
4.844
[123.04]
3.0 MM ISO THD. OPTIONAL
[7.87]
.310 MAX. SCREW DEPTH
[4.06]
.160 MIN. SCREW DEPTH
2X 6-32 MTG. INSERT
1.375
[34.92]
2.750
[69.85]
.530
[13.46]
A
.562
[14.27]
1.125
[28.58]
.700
[17.78]
MAX. .220
[5.59]
.125
[3.18]
1.220
[30.99]
2.610
[66.29]
.485
[12.32]
-.005
+.015
2.250 +0.38
[57.15]
2.375
[60.32]
2.156
[54.76]
[120.65]
4.750
5.800
[147.32]
-0.13
35…
35…
2.750
[69.85]
1.375
[34.92]
A
3.0 MM ISO THD. OPTIONAL
[7.87]
.310 MAX. SCREW DEPTH
[4.06]
.160 MIN. SCREW DEPTH
2X 6-32 MTG. INSERT
.750 –.062 [19.05 –1.57] LONG
1/4-20 STUDS
51-100 AMPS
.625 –.062 [15.88 –1.57] LONG
10-32 STUDS
0-50 AMPS
2.610
[66.29]
.220
[5.59]
.700
[17.78]
MAX.
2.156
[54.76]
4.750
[120.65]
5.125
[130.18]
-.005
+.015
2.250
-0.13
+0.38
[57.15]
1.125
[28.58] 3.550
[90.17]
3.550
[90.17]
249 POWER SELECTOR BREAKER SYSTEM
The 249 Power Selector Breaker System combines magnetic-hydraulic branch circuit
overload protection and a power system selector switch in one device.
The 249 is designed to allow selection of any one of two, three or four independent
power systems. This is accomplished with fool-proof sliding-gate handle covers.
The number of sliding covers is one less than the number of power systems. With
this arrangement, it is impossible to switch “ON” more than one power system at
a time.
Since the 249 Power Selector Breaker System is listed as a Branch Circuit Breaker
per UL 489 and power switching is accomplished by UL listed breakers, it is usually
not necessary to include additional branch service protection.
Standard options available include terminals for front or back connections, choice
of trip time delay, current ratings to 100 amperes and single or multi-pole sections.
Trip Time Delay
Three inverse time delays are available to permit close coordination with various
loads. Delays 51 and 61 are short delays for electronic loads. Delays 52 and 62 are
medium delays for mixed loads. Delays 53 and 63 are long delays for motor loads.
Current and Voltage Ratings
Single pole and multi-pole breaker ratings are available up to 100 amperes, 240Vac
or 125Vdc. The special configuration for Marine use has a 120V/240Vac rating for
current rating up to 100 amperes.
Master Drawing
Standard circuit breaker terminal and configurations are shown. For other types,
consult factory.
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1.375
[34.92]
2.156
[54.76]
4.750
[120.65]
.485
[12.32]
5.800
[147.32]
-.005
+.015
-0.13
+0.38
1.125
[28.58]
.530
[13.46]
.562
[14.27]
2.610
[66.29]
.800
[20.32]
MAX.
2.250
[57.15]
1.220
[30.99] .125
[3.18]
2.750
[69.85]
6-32 MTG. Insert
.160 [4.06] MIN. screw depth
.310 [7.87] MAX. screw depth
(TYP)
Width
1.026
[26.06]
(TYP.)
4.844
[123.04]
2.375
[60.32]
4X MTG. SLOT
Clearance for
8-32 Screw
(TYP.)
.220
[5.59]
.200 (TYP. )
[5.08]
(SEE TABLE)
2.610
[66.29]
2.156
[54.76]
4.750
[120.65]
(REF)
5.125
[130.18]
3.550
[90.17]
3.550
[90.17]
.375
[9.53]
.750
[19.05]
.390
[9.91
209/219/229/279
249 Master Drawing
DIMENSIONS
Number of Poles Width
99.324 [236.83] Max
88.288 [210.52] Max
66.216 [157.89] Max
44.144 [105.26] Max
22.072 [52.63] Max
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209/219/229 MULTI-POLE CIRCUIT PROTECTORS
Common-Trip Construction
All multi-pole protectors contain an internal trip bar which opens all poles in the
event of an overload in any pole. Handles are ganged externally for simultaneous
actuation.
Individual poles may differ in ratings, delays and configurations, providing an almost
limitless number of combinations.
Multi-pole protectors (up to 6 poles) easily satisfy special modern day circuitry.
Series, shunt, relay and auxiliary switch construction add to the versatility of
design engineering. Airpax’s sales engineering force is ready to assist in proper unit
selection, both for equipment protection and economical design.
Three Phase, Four Pole Includes Control Protector
Remote shutdown of equipment is sometimes necessary or desirable in today’s
sophisticated equipment. The 219 four pole assembly fills this need for three
phase operation. Three of the four poles are designed for the circuit’s proper
operating current and over-current protection. The fourth pole may be designed for
instantaneous tripping by logic circuitry, interlocks or from a manual remote site
or control. The control power required would be quite low, with voltages from 5
to 125Vdc, or 5 to 240Vac available. The fourth pole construction is optional. It
may be either series, shunt or relay, depending on the application required. When
specifying, both the minimum trip voltage and Hz are required. Factory consultation
is readily available.
.530
[13.46]
3.0 MM ISO THD. OPTIONAL
[7.87]
.310 MAX. SCREW DEPTH
[4.06]
.160 MIN. SCREW DEPTH
4X 6-32 MTG. INSERT
1.375
[34.93]
2.750
[69.85]
2.072
(52.63)
MAX.
.562
[14.27]
2.375
[60.32]
2.156
[54.76]
[120.65]
4.750
.485
[12.32]
5.800
[147.32]
.700
[17.78]
MAX. .220
[5.59]
.125
[3.18]
1.220
[30.99]
2.610
[66.29]
-.005
+.015
2.250
-0.13
+0.38
[57.15]
1.125
[28.58]
.200
[5.08]
1.026
[26.06]
.220
[5.59]
4.844
[123.04]
2X MTG. SLOT
CLEARANCE FOR
8-32 SCREW
.390
[9.91]
SCALE: 3/1 SCALE: 3/1
[3.68]
.145
See available
mounting brackets
below
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Copyright © 2018 Sensata Technologies, Inc.
DIMENSIONS
Number of Poles Width
11.026 ± .010 [26.06 ± .254]
22.072 [52.63] Max
33.108 [78.94] Max
44.144 [105.26] Max
55.180 [131.57] Max
66.216 [157.89] Max
Note: Tolerance ± .015 [.38] unless noted. Dimensions in brackets [ ] are millimeters
Caution: Elongation of mounting holes may be necessary for units with more than 6 poles and units up to 12 poles due to tolerance compounding
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229D (MARINE) & 279 (COMMUNICATION)
209/219/229 CONFIGURATIONS
UL-1500 Ignition Protection
The 229D family is certified to UL-1500 which covers Ignition Protected circuit protectors. This specification requires devices to be used in accordance
with the requirements of U.S. Coast Guard and Fire Protection Standard for Pleasure and Commercial Motor Craft, ANSI/ MFPA No. 302.
The ratings available are 100 amperes or less at 65Vdc or 240Vac. Maximum IC, 1000 amperes. Consult factory for application details. The 299D series
is available with interlocking to prevent on board and shore power being used simultaneously.
Combination of ON-OFF switching the protection function offers a simplified solution for your electrical systems.
UL 489A Communications Equipment Protection
The 279 Series complies with the requirements of UL 489A, Circuit Breakers for use in Communication Equipment, meeting the need for protection
at higher DC voltages. The available ratings are 100 amperes or less at 160Vdc. Maximum short circuit interrupting current is 5000 amperes. The 279
series available only in a series trip configuration.
Please consult Sensata for specific application details.
Series Trip
The most popular configuration for magnetic protectors is the series trip, where the sensing coil and contacts are in series with the load being
protected. The handle position conveniently indicates circuit status. In addition to providing conventional overcurrent protection, it’s simultaneously
used as an ON-OFF switch.
LOAD
LINE
.750
[19.05]
3.550
[90.17]
SEE NOTE A
NC
NO
C
PANEL.
MOUNTING
BACK OF
REF. FROM
[79.45]
3.128 MAX.
1.563
[39.70]
.750
[19.05]
3.550
[90.17]
.312
[7.92]
.187
[4.75]
.110
[2.79]
.295
[7.49]
-IREG4
-IREC4
-IREG5
-IREC5
Quick Connect Terminals
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219/229 CONFIGURATIONS
Relay Trip
This permits the overload sensing coil to be placed in a circuit which is
electrically isolated from the trip contacts. The coil may be actuated by
sensors monitoring pressure, flow, temperature, speed, etc. Other typical
applications include crowbar, interlock and emergency/rapid shutdown
circuitry. Trip may be accomplished by voltage or current, which must be
removed after trip.
Dual Coil
Providing for both a voltage trip and a current trip function in a magnetic
circuit protector is common practice. These two coil protectors provide
remote or automatic opening of one or more circuits with a low level
signal.
The voltage coil will trip the protector instantaneously while the current
coil provides normal inverse time delays. The voltage coil is not rated for
continuous duty and therefore, the voltage must be removed when the
breaker trips.
Since both coils are housed within the same pole, the space savings are
substantial.
This option is not available with 64, 65 or 66 delays.
Shunt Trip
The shunt trip is designed for controlling two separate loads with one
assembly. The control is established by providing overload protection for
the critical load. When the current through this load becomes excessive
and reaches the trip point, the protector will open and remove power
from both loads simultaneously. The total current rating of both loads
must not exceed the maximum contact rating.
Voltage Trip
Sometimes called “dump circuits” or “panic trip circuits,” these units
make it possible to open main power contacts with lower power inputs
from one or more sources. This configuration is becoming increasingly
more important for sensitive circuitry and denser packaging in
automation systems.
Available in series, shunt or relay configurations.
Note:
Tolerance ± .015 [.38] unless noted. Dimensions in brackets [ ] are millimeters.
A: 0-50 Amps, 10-32 Studs .625 ± .062 [15.88 ± .157 ] Long, 51-100 Amps,
1/4 - 20 Studs, .750 ± .062[19.05 ± .157 ] Long.
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OPERATING CHARACTERISTICS
Inrush Pulse Tolerance
The table shown above provides a comparison of inrush pulse tolerance
with and without the inertial delay feature for each of the 50/60Hz
delays. Pulse tolerance is defined as a single pulse of half sine wave
peak current amplitude of 8 milliseconds duration that will not trip the
circuit breaker.
The table at right provides a reference guide for selecting the inertial
delay feature. Consult factory for further assistance.
PERCENTAGE OF RATED CURRENT VS TRIP TIME IN SECONDS AT +25°C
INRUSH PULSE TOLERANCE
Delay Pulse Tolerance
61, 62, 63 8 times rated current
64 minimum 20 times rated current
65 minimum 25 times rated current
66 minimum 30 times rated current
Note: These limits do not apply to dual coil and tapped coil units