
1
SCHRACK XT Series Interface Plug-in Relay
Issued 3-08
www.tycoelectronics.com
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Dimensions are shown for reference
purposes only. Specifications and
availability subject to change.
South America: 55-11-2103-6000
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
UK: 44-8706-080208
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-1106-0803
Operate Data
Must Operate Voltage:
See Coil Data table.
Operate Time (DC Coil):
9 ms typical, at nom. voltage.
Release Time (DC Coil):
6 ms typical, at nom. voltage.
Bounce Time (DC Coil) NO / NC:
4 ms / 12 ms.
Environmental Data
Temperature Range:
Operating:
-40°C to +70°C.
Vibration Resistance (functional):
20g N/O, 5g N/C, 30 to 500 Hz.
Shock Resistance (destruction):
100g.
Features
Compact design is only 0.54” (13.7mm) wide.
Choice of SPDT rated 16A or DPDT rated 8A.
Plugs into same sockets as our RT series.
Sensitive DC coil (400mW) or AC coil (0.58VA @60 Hz).
Test lever, mechanical indicator, LED and protection diode options.
4kV (8mm) coil-to-contact isolation.
RoHS Compliant (Directive 2002/95/EC).
Insulation
Initial Dielectric Strength Between Open Contacts:
1,000Vrms.
Initial Dielectric Strength Between Coil and Contacts:
5,000Vrms with socket RT78726.
4,000Vrms with socket RT78725.
Initial Dielectric Strength Between Poles:
2,500Vrms.
Clearance / Creepage Coil-to-Contact:
≥
8mm / 8mm.
Material Group of Insulation Parts:
≥
IIIa.
Tracking Index of Relay Base:
PTI 175 V.
Insulation to IEC 60664-1
Type of insulation coil-contact circuit:
Reinforced.
Type of insulation open contact circuit:
Functional.
Type of insulation adjacent contact circuits:
Basic.
Rated Insulation Voltage:
250V.
Pollution Degree:
Rated Voltage System:
Overvoltage Category:
III.
3
2.
240V
400V.
Max. DC Load Breaking Capacity (resistive load)
DC
Must
Operate
Voltage
VDC
8.4
16.8
33.6
77.0
Power
for Opt.
LED
(mW)
10
19
39
87
Nominal
Voltage
VDC
12
24
48
110
NOTE: Observe coil polarity on models with the optional protection diode.
A1 is positive and A2 is negative.
Resistance
in
Ohms
360 ±10%
1,440 ±10%
5,520 ±10%
28,800 ±12%
Drop-out
Voltage
VDC
1.2
2.4
4.8
11.0
DC
Must
Operate
Voltage (VAC)
50 Hz / 60 Hz
18.0 / 20.4
86.3 / 97.8
172.5 / 196.5
Power
for Opt.
LED
(VA)
0.012
0.054
0.073
Nominal
Voltage
VAC
24
115
230
Resistance
in
Ohms
350 ±10%
8,100 ±15%
32,500 ±10%
Drop-out
Voltage
VAC
3.6
17.3
34.5
DC Coil Data @ 23°C
AC Coil Data @ 23°C
Contact Data
Arrangements
: 1 Form C (SPDT) and 2 Form C (DPDT).
Contact Set:
Single contact.
Type of Interruption:
Micro-disconnection.
Material:
Silver-nickel 90/10.
Expected Mechanical Life:
DC coil 10 million operations minimum.
AC coil 5 million operations minimum.
Switching Frequency With / Without Load
: 6 / 600 operations min-1.
Ratings:
Arrangement
Rated Current
Rated Voltage
Maximum Switching Voltage
Rated Breaking Capacity
Maximum Make Current (max 4s, 10% DF)
1 Form C
16A
240VAC
400VAC
4,000VA
30A
2 Form C
8A
240VAC
400VAC
2,000VA
15A
Contact Ratings
(All are for Form C contacts, 70°C, 50% duty factor)
Type
Load
XT37
16A, 250VAC, EN61810-1
XT48
8A, 250VAC, DC Coil, EN61810-1
XT48
8A, 250VAC, AC Coil, EN61810-1
XT31
16A, 250VAC, EN61810-1
XT42
8A, 250VAC, DC Coil, EN61810-1
XT42
8A, 250VAC, AC Coil, EN61810-1
XT37
16A, 250VAC, General Purpose, UL508
XT48
8A, 250VAC, General Purpose, DC Coil, UL508
XT48
8A, 250VAC, General Purpose, AC Coil, UL508
XT31
16A, 250VAC, General Purpose, UL508
XT42
8A, 250VAC, General Purpose, DC Coil, UL508
XT42
8A, 250VAC, General Purpose, AC Coil, UL508
Cycles
30 x 103
50 x 103
30 x 103
30 x 103
50 x 103
30 x 103
30 x 103
50 x 103
30 x 103
30 x 103
50 x 103
30 x 103
Coil Data
Rated Coil Voltage Range:
6-110VDC; 24-230VAC.
Operative Range:
2.
Coil Insulation System (Per UL1446):
Class F.
Coil Power (Typ.):
DC – 400mW; AC – 0.76VA @ 50Hz. / 0.58VA @ 60Hz.
XT
series
Interface Plug-in Relay
8 to 16 Amp, 1 or 2 Pole
File E214025
NR B758
Users should thoroughly review the technical data before selecting a product
part number. It is recommended that users also seek out the pertinent approval
files of the agencies/laboratories and review them to confirm the product
meets the requirements for a given application.
Mechanical Data
Flammability Class (per UL94):
V-0.
Category of Protection:
RTII.
Mounting Distance:
4.5mm, dense packing of sockets.
Relay Weight:
.56 oz. (16 g) approximately.