Catalog 1308242
Issued 3-03 (PDF Rev. 4-03)
OEG
SRUDH series
12 Am p Miniature
Pow er PC Board Relay
Appliances, HVAC, Office Machines
UL File No. E82292
CSA File No. LR48471
TUV File No. R60271
Users should thoroughly review the technical data before selecting a product part
number. It is recommended that user 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
Coil Data
• Small package, 12 Amp switching capcity.
• 1 Form A and 1 Form C contact arrangements.
• Immersion cleanable, sealed version available.
• Applications include appliance, HVAC, security system, garage opener
control, emergency lighting.
Voltage: 6 to 48VDC.
Nom inal Pow er: 360 mW except 48VDC coil (510mW)
Coil Tem perature Rise: 35°C max., at rated coil voltage.
Max. Coil Pow er: 130% of nominal.
Duty Cycle: Continuous.
Coil Data @ 20°C
Contact Data @ 20°C
SRUDH
Arrangem ents: 1 Form A (SPST-NO) and 1 Form C (SPDT).
Material: Ag Alloy.
Max. Sw itching Rate: 300 ops./min. (no load).
Rated Coil
Voltage
(VDC)
Nom inal
Current
(m A)
Coil
Resistance
(ohm s) ± 10%
Must Operate Must Release
Voltage
(VDC)
Voltage
(VDC)
30 ops./min. (rated load).
Expected Mechanical Life: 10 million operations (no load).
Expected Electrical Life: 100,000 operations (rated load).
Minim um Load: 100mA @ 5VDC.
6
9
12
24
48
60
40
30
15
10
100
225
400
1,600
4,500
4.50
6.75
9.00
18.00
36.00
0.60
0.90
1.20
2.40
4.80
Initial Contact Resistance: 100 milliohms @ 1A, 6VDC.
Contact Ratings
Ratings: 12A @ 120VAC resistive,
10A @ 240VAC resistive,
Operate Data
Must Operate Voltage: 75% of nominal voltage or less.
Must Release Voltage: 10% of nominal voltage or more.
Operate Tim e: 15 ms max.
10A @ 28VDC resistive.
4A @ 120VAC inductive (cosø= 0.4),
4A @ 28VDC inductive (L/R=7msec)
Release Tim e: 5 ms max.
Environm ental Data
Tem perature Range:
Max. Sw itched Voltage: AC: 240V.
DC: 28V.
Operating: -30°C to +60°C
Max. Sw itched Current: 12A.
Vibration, Mechanical: 10 to 55 Hz., 1.5mm double amplitude
Operational: 10 to 55 Hz., 1.5mm double amplitude.
Shock, Mechanical: 1,000m/s2 (100G approximately).
Operational: 100m/s2 (10G approximately).
Operating Hum idity: 20 to 85% RH. (Non-condensing).
Max. Sw itched Pow er: 2,400VA, 300W.
Initial Dielectric Strength
Betw een Open Contacts: 750VAC 50/60 Hz. (1 minute).
Betw een Coil and Contacts: 1,500VAC 50/60 Hz. (1 minute).
Surge Voltage Betw een Coil and Contacts: 3,000V (1.2 / 50µs).
Mechanical Data
Term ination: Printed circuit terminals.
Enclosure (94V-0 Flam m ability Ratings):
SRUDH-SS: Vented (Flux-tight) plastic cover
SRUDH-SH: Sealed plastic case
Initial Insulation Resistance
Betw een Mutually Insulated Elem ents: 1,000M ohms min. @ 500VDCM.
Weight: 0.42 oz (12g) approximately.
Reference Data
Coil Tem perature Rise
Operate Tim e
Life Expectancy
100
180
12
160
Maxim um
Allowable
Coil Voltage
10
8
24VDC Resistive
140
120
100
80
Operating
Votage Range
Operate Tim e
10
6
4
2
240VAC Resistive
Cool Coil
60
Hot Coil 10A Applied
Pick-Up Voltage
40
20
0
Release Tim e
1
0.4
0
4
2
6
8
10
12
0.2
0.6
0.8
1.0
1.2
1.4
-30 -10 10 30 50 70 90 110 130 150
Coil Power (W)
Contact Current (A)
Am bient Tem p. (°C)
Note: Rise data is based on the max. allowable temp. for E type insulation coil (115°C).
Dimensions are shown for
reference purposes only.
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.
442