446
P&B
Dimensions are shown for
reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Catalog 1308242
Issued 3-03 (pdf revised 1-06)
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
RT series (DC Coil)
16 Amp PC Board
Miniature Relay
File E22575
File LR15734
NR 6106
Users should thoroughly review the technical data before selecting a product
part number. It is recommended that users also seek out the pertinent
approvals files of the agencies/laboratories and review them to ensure the
product meets the requirements for a given application.
Features
• SPST through DPDT contact arrangements.
• Immersion cleanable and flux tight versions available.
VDE 10mm spacing, 5kV dielectric, coil to contacts.
• UL Class F (155°C) coil insulation system.
• Conforms to UL 508, 1873, 353 and 1950.
• Low profile; 15.7mm height.
• Sensitive coil; 400mW.
Withstand surge voltage of 10,000V.
Potter & Brumfield or Schrack brand.
Contact Data
Arrangements: 1 Form A (SPST-NO) Wiring Diagram Code 1, 2,3.
2 Form A (DPST-NO) Wiring Diagram Code 5.
1 Form C (SPDT) Wiring Diagram Code 1, 2, 3.
2 Form C (DPDT) Wiring Diagram Code 5.
Material: Silver-nickel 90/10.
Minimum Load: 12V/100mA.
Expected Mechanical Life: 10 million operations.
Initial Contact Resistance: 100 milliohms max @ 1A 12VDC.
Designed to meet UL/CSA/VDE ratings @ 25°C with relay
properly vented. Remove vent nib after soldering and
cleaning.
Ratings @ 25°C
Initial Dielectric Strength
Between Open Contacts: >1,000VAC (1 minute).
Between Poles (code 5): >2,500VAC (1 minute).
Between Coil and Contacts: >5,000VAC (1 minute).
Surge Voltage (DC): >10,000VAC x (1.2 x 50 µsec).
Coil Data @ 25°C
Voltage: 5 to 110VDC.
Nominal Power @ 25°C: 400mW.
Duty Cycle: Continuous.
Initial Insulation Resistance: 10,000 megohms, min., at 25°C, 500VDC
and 50% rel. humidity.
Coil Construction: UL Class F (155°C).
Operate Data @ 25°C
Must Operate Voltage(DC): 70% of nominal.
Must Release Voltage(DC): 10% of nominal.
Operate Time (Excluding Bounce):
7 ms, typ., 15ms max. at nom. voltage.
Release Time (Excluding Bounce):
3 ms, typ., 6ms max. at nom. voltage.
Environmental Data
Temperature Range:
Storage: -40°C to +105°C.
Operating: -40°C to +85°C at rated current.
Vibration, Operational
N.O.:0.065”(1.65mm) max. excursions from 10 - 55 Hz:
N.C.:0.032”(0.82mm) max. excursions from 10 - 55 Hz:
with no contact opening >10µs.
Mechanical Data
Termination: Printed circuit terminals.
Enclosures: RT 1, 2, 3, 4: Flux-tight, top vented, plastic case.
RT B, C, D, E: Immersion cleanable, plastic case.
Weight: 0.35 oz. (10g) approximately.
DC Must Nominal
Nominal Resistance Operate Coil
Voltage in Ohms Voltage Current
VDC ±10% VDC (mA) – 50/60Hz.
005 62 3.5 80
006 90 4.2 66.7
009 202 6.3 44.4
012 360 8.4 33.3
018 810 12.6 22.2
024 1,440 16.8 16.7
048 5,760 33.6 8.3
060 9,000 42.0 8.0
110 30,250 77.0 4.3
Coil Data @ 25°C
Max. Ambient Temp. vs. Coil Voltage
60
100
140
180
220
260
300
020 40 60 80 100
0 A
A
B
Max. Allowable Ambient Temp. (°C)
Applied Coil Voltage (% of rated nom.)
8 A
16A
12A
A: Coil temperature = Ambient temperature.
B: 110% of nominal coil voltage at rated contact load.
* Form A only
** Form B only
Code NO/NC Load Type Operations
1 10A/10A @ 277VAC Resistive/GP 100K
10A/10A @ 30VDC Resistive 100K
12A/12A @ 250VAC Resistive/GP 30K
12A/12A @ 30VDC Resistive 30K
3/4 HP @ 480VAC* Motor 6K
1/2 HP @ 240VAC* Motor 6K
1/3 HP @ 120VAC* Motor 6K
48 LRA/10 FLA @ 240VAC* Motor 30K
TV-3 @ 120VAC* Tungsten 25K
A300, 720VA @ 240VAC* Pilot Duty 30K
3 16A/16A @ 250VAC Resistive/GP 50K
20A/20A @ 277VAC Resistive/GP 30K
20A/20A @ 24VDC Resistive 30K
16A/16A @ 30VDC Resistive 30K
1 HP @ 480VAC* Motor 6K
1 HP @ 240VAC* Motor 6K
1/2 HP @ 120VAC* Motor 6K
60 LRA/10 FLA @ 250VAC* Motor 30K
TV-5 @ 120VAC* Tungsten 25K
A300, 720VA @ 240VAC* Pilot Duty 30K
B300, 360VA @ 240VAC** Pilot Duty 30K
5 8A/8A @ 277VAC Resistive/GP 100K
8A/8A @ 30VDC Resistive 100K
10A/10A @ 250VAC Resistive/GP 30K
10A/10A @ 30VDC Resistive 30K
1/2 HP @ 240VAC* Motor 6K
1/4 HP @ 120VAC* Motor 6K
34.8 LRA/6 FLA @ 120VAC* Motor 30K
17.4 LRA/5 FLA @ 240VAC* Motor 30K
B300, 360VA @ 240VAC* Pilot Duty 30K
TV-3 @120VAC* Tungsten 25K
447
P&B
Dimensions are shown for
reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Catalog 1308242
Issued 3-03 (pdf revised 1-06)
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
Typical Part Number BRT B 3 4 012 F
1. Basic Series:
RT = Miniature, printed circuit board relay.
2. Enclosure:
1 = 1 pole 12A, Pinning 3.5mm, flux-tight (Code 1). B = 1 pole 12A, Pinning 3.5mm, sealed (Code 1).
2 = 1 pole 12A, Pinning 5mm, flux-tight (Code 2). C = 1 pole 12A, Pinning 5mm, sealed (Code 2).
3 = 1 pole 16A, Pinning 5mm, flux-tight (Code 3). D = 1 pole 16A, Pinning 5mm, sealed (Code 3).
4 = 2 pole 8A, Pinning 5mm, flux-tight (Code 5). E = 2 pole 8A, Pinning 5mm, sealed (Code 5).
3. Contact Arrangement:
1 = 1 Form C (SPDT) (Requires wiring diagram codes 1, 2 or 3.)
2 = 2 Form C (DPDT) (Requires wiring diagram code 5.)
3 = 1 Form A (SPST-NO) (Requires wiring diagram codes 1, 2 or 3.)
4 = 2 Form A (DPST-NO) (Requires wiring diagram code 5.)
4. Contact Material:
4 = Silver-nickel 90/10 (standard stock).
5. Coil Voltage:
005 = 5VDC 009 = 9VDC 018 = 18VDC 048 = 48VDC 110 = 110VDC
006 = 6VDC 012 = 12VDC 024 = 24VDC 060 = 60VDC
5. Coil Insulation Classification, Brand and Case Color
F = UL Class F, Potter & Brumfield Brand, Black Case Leave Blank = UL Class F, Schrack Brand, Orange Case
Our authorized distributors are more likely to stock the following items for immediate delivery.
RT114012F
RT114024F
RTB14005F
RTB14012F
RTB14024F
RTB34012F
RTB34024F
RT314012F
RT314024F
RTD14005F
RTD14012F
RTD14024F
RTD34012F
RT424012F
RT424024F
RTE24005F
RTE24012F
RTE24024F
RTE44012F
RTE44024F
Ordering Information (DC Coil Models)
Outline Dimensions
Wiring Diagrams (Bottom View)
.276
(7.0)
.300
(7.62)
.300
(7.62)
.800
(20.32)
.051 DIA.
(1.30)
.800
(20.32)
.400
(10.16)
.051 DIA.
(1.30)
051 DIA.
(1.30)
.051 DIA.
(1.30) .300
(7.62)
.800
(20.32)
.400
(10.16)
.051 DIA.
(1.30)
.051 DIA.
(1.30)
PC Board Layouts (Bottom View)
Breaking Capacity
50
10
1
2
5
0.1
0.5
50
10
1
2
5
0.1
0.5
10 20 50 100 200 300 10 20 50 100 200 300
DC Voltage DC Voltage
Contact Current
Contact Current
AB
A
B
1 Pole 12A 1 Pole 16A 2 Pole 8A
Codes 1 & 2 Code 3 Code 5
1 Pole 12A
3.5mm
1 Pole 16A
2 Pole 8A
5mm
Code 1
1 Pole 2 Pole
A: 1 Contact.
B: 2 Contacts in series.
Contact Life for Resistive AC Load (Typical)
107
0 0.8 1.6 2.4 3.2 4.0
Breaking Capacity (kVA)
Operations
106
105
104
0.4 1.2 2.0 2.8 3.6
A
B
C
A: 8A Model
B: 12A Model
C: 16A Model
Note: Data from 250VAC @ 70°C.
Code 3 & 5
.62
(15.7)
.50
(12.7)
1.1 4
(29)
6X .031 X .020
(.80 X .52)
2X .020 X .020
(.52 X .52)
.17
(4.3)
A: 16A Version.
B: 12A Version.
Notes: 1. On single throw models, only necessary terminals are present.
2. With the recommended PCB hole sizes, a grid with a pattern from 0.0984 to 0.1
in (2.5 - 2.54 mm) can be used.
Note: On single throw models, only necessary terminals are present.
1 Pole 12A
5mm
Code 2