Catalog 1308242
Issued 3-03
SCHRACK
MT
series
10 Amp General Purpose Relay
File E214025
NR 6182
NR 95.1, 10956.02
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
•
DPDT or 3PDT contact arrangements.
Operate Data
Must Operate Voltage:
See Coil Data table.
Operate Time:
12 ms typical, at nom. voltage.
Release Time:
5 ms typical, at nom. voltage.
Bounce Time:
4 ms typical, at nom. voltage.
Switching Rate:
1,200 ops./hr. max. at rated load.
•
•
•
•
•
•
4 amp bifurcated contact available.
AC and DC coils.
Protection Diode available (DC coils).
Mechanical indicator - all models.
Electrical indicator available.
Test actuator with front operated finger protected push to test button
and integral locking test tab.
Environmental Data
Temperature Range:
Operating:
-45°C to +60°C DC coil.
-45°C to +50°C AC coil.
Vibration:
30 to 1,500 Hz. at 5g N/O, 2g N/C.
Shock:
50g N/O, 10g N/C.
Contact Data @ 25°C
Arrangements:
2 Form C (DPDT).
3 Form C (3PDT.
Material:
10 amp; Silver-nickel 90/10 with or without gold plating.
4 amp; Silver-nickel 90/10 with gold plating.
Expected Mechanical Life:
20 million operations minimum.
Ratings:
UL/CSA NO/NC @ 25°C:
4 amp (Bifurcated) 250VAC Resistive 30,000 ops.
10 amp 240VAC Resistive 30,000 ops.
1/2 HP 240VAC 30,000 ops.
1/4 HP 120VAC 30,000 ops.
B300 Pilot duty 30,000 ops.
VDE @ 35°C:
10 amp 250VAC Resistive 100,000 ops., DC Coil, AC Coil N/O.
20,000 ops., AC Coil N/C.
Electrical Life
10
7
250VAC
Resistive Load
Operations
10
6
10
5
Initial Dielectric Strength
Between Open Contacts:
1,500VAC.
Between Coil and Contacts:
2,500VAC.
Between Poles:
2,500VAC.
Creepage/Clearance Coil-Contact:
4/2.8mm.
10
4
0
2
4
6
8
10
12
14
16
Switching Current (A)
Max. DC Load Breaking Capacity
50
Nominal Coil Power:
1.2W, 2.3VA.
DC Data
Nominal
Voltage
VDC
06
12
24
48
60
110
220
AC Data
Nominal
Voltage
VAC
06
12
24
48
60
115
230
DC
Resistance
in Ohms
±10%
5.3
24
86
345
544
2,000
8,300
Must
Operate
Voltage
VAC
4.8
9.6
19.2
38.4
48
92
184
Must
Release
Voltage
VAC
2.4
4.8
9.6
19.2
24
46
92
Nominal
Coil
Current
(mA)
381.7
182.5
94.2
47.5
37.8
20.6
10.1
DC
Resistance
in Ohms
±10%
32
110
475
2,000
2,850
10,000
40,000
Must
Operate
Voltage
VDC
4.5
9
18
36
45
82.5
165
Must
Release
Voltage
VDC
0.6
1.2
2.4
4.8
6.0
11.5
22.0
Nominal
Coil
Current
(mA)
187.5
109.1
50.5
24.0
21.1
11.0
5.5
DC Current (A)
Coil Data @ 25°C
10
5
2
1
0.5
A
B
C
A: 1 contact.
B: 2 contacts in series.
C: 3 contacts in series.
0.1
10
20
30 40 50
100
200 300
DC Voltage (V)
Coil Operating Range
2.2
2.0
1.8
U
B
/U
N
1.6
1.4
1.2
1.0
0.8
0.6
0
+20
+40
+60
+80
Ambient Temperature (°C)
+100
A
B
A: DC coil.
B: AC coil.
742
reference purposes only.
Dimensions are shown for
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
Catalog 1308242
Issued 3-03
SCHRACK
Ordering Information
Typical Part Number
B
MT
3
2
1
012
1. Basic Series:
MT = General purpose relay.
2. Contact Arrangement:
2 = 2 Form C (DPDT) 8 pin
3 = 3 Form C (3PDT) 11 pin
3. Contact Material:
2 = Silver Nickel 90/10 with mechanical actuator.
3 = Silver Nickel 90/10, gold plated, with mechanical actuator.
B = 4 amp Silver Nickel 90/10 bifurcated contact with gold plating.
4. Test:
1 = DC coil with test-button.
3 = DC coil with test-button and LED.
6 = AC coil with test-button.
8 = AC coil with test-button and LED.
5. Coil Voltage:
Standard
With protection diode
Standard With protection diode
006 = 6VDC
0A6 = 6VDC
006 = 6VAC
N/A
012 = 12VDC
0B2 = 12VDC
012 = 12VAC
N/A
024 = 24VDC
0C4 = 24VDC
024 = 24VAC
N/A
048 = 48VDC
0E8 = 48VDC
048 = 48VAC
N/A
060 = 60VDC
0G0 = 60VDC
060 = 60VAC
N/A
110 = 110VDC
1B0 = 110VDC
115 = 115VAC
N/A
220 = 220VDC
2C0 = 220VDC
230 = 230VAC
N/A
Our authorized distributors are more likely to stock the following items for immediate delivery.
MT221012
MT221024
MT226024
MT226115
MT226230
MT321012
MT321024
MT326024
MT326115
MT326230
Outline Dimensions
➤
Wiring Diagrams (Bottom Views)
➤
1.398 MAX.
(35.50)
➤
➤
1.398 MAX.
(35.50)
➤
➤
➤
2.244 MAX.
(57
.00)
➤
(4)12
(3)14
(2)A1
(1)
11
(5)22
(6)24
(7)A2
(8)
21
(6) (7)
(5)
21 24
22
(8)32
(4)12
(3)14
(9)34
(10)
(2) (1)
(11)
A2
A1 11
31
2.717 MAX.
(69.01)
➤
MT Sockets and Accessories
MT78750
10A, 400VAC
11 Pin Socket
1.496 MAX.
(38.0)
34 32 24 22 14 12
9
8
7
5
3
4
MT78755
10A, 400VAC
8 Pin Socket
.059
(1.50)
➤
➤
➤
Mounting Hole Centers
M3
1.102
(28.00)
100°
M3
24
6
1.496 MAX.
(38.0)
22
5
12
4
14
3
.059
(1.50)
➤
2.441 MAX.
(62.0)
.953
(24.2)
1.272
(32.30)
2.441 MAX.
(62.0)
.902
(22.9)
1.220
(31.00)
10
11
4
1
2
7
A2
8
21
1
11
2
A1
A2 31 21 11 A1
.157
(4.00)
.366
(9.30)
1.024
(26.00)
.157
(4.00)
Hold-Down Spring
MT28800
Dimensions are shown for
reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Hold-Down Spring
MT28800
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
743
Refer to inside back cover.
➤
➤
➤
➤
➤
Mounting Hole Centers
M3
1.102
(28.00)
100°
M3
.366
(9.30)
1.024
(26.00)
Catalog 1308242
Issued 3-03
SCHRACK
MT Sockets and Accessories (continued)
Module-capable Sockets
MT78745
10A, 400VAC
8 Pin Socket
.118
(3.00)
24
MT78740
10A, 400VAC
11 Pin Socket
1.496 MAX.
(38.0)
34 32 24 22 14 12
3
1.496 MAX.
(38.0)
22
5
12
4
14
2.95
(75.0)
.126 DIA.
(3.2)
.394
(10.0)
.394
1.024
(26.00)
2.76
(70.0)
6
.126 DIA.
(3.2)
.22
(5.6)
.165 DIA.
(4.2)
9
8
7
5
3
4
.22
(5.6)
.165 DIA.
(4.2)
7
7
8
21
1
11
2
A1
10 10
11
4
1
2
A2 A2
A2 A2 31 21 11 A1
2.44
(62.0)
1.18
(30.0)
1.18
(30.0)
Socket Selection Table
Stock items are boldfaced.
Socket
MT78750
MT78755
MT78740
MT78745
Socket Type and Termination
11-pin, DIN Rail w/ Screw Terminals
8-pin, DIN Rail w/ Screw Terminals
11-pin, module-capable, DIN Rail w/ Screw Terminals
8-pin, module-capable, DIN Rail w/ Screw Terminals
Hold-Down Spring
MT28800
MT28800
MT28800
MT28800
Timing Module Selection Table
Stock items are boldfaced.
Module
MTMZ0W00
MTMF0W00
Type
Delay ON timing module
Multifunction timing module
LED and Protection Module Selection Table
Stock items are boldfaced.
Module
Type
MTMT00A0
MTMU0524
MTMU0730
MTML0024
MTML0615
Protection diode 1N4007
RC-network 24 – 115 VAC
RC-network 230 VAC
LED 24 VAC / VDC
LED 115 VAC
Timing Module Functional Data
Nominal Voltage:
24 – 240 VAC / VDC
Frequency:
48 – 63 Hz.
Precision of Time Setting:
± 0.5%.
Readiness for Repetition:
≤
0.5% or 5 ms.
Influence of Temperature:
≤
0.1% /°C.
Time Range Switchable:
0.05 s – 240 h in 8 ranges.
Ambient Temperature:
–25°C to +55°C.
Timing Function Diagrams
Delay ON
U/t
R
U/t
Delay OFF
S
R
U/t
Single shot leading edge
S
R
U/t
Single shot trailing edge
S
R
U/t
Single shot
S
R
U/t
R
U/t
R
U/t
R
Delay ON triggered by signal contact
Flasher starting with pause
Flasher starting with pulse
744
reference purposes only.
Dimensions are shown for
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
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