General Purpose
Low Power PCB Relays
SCHRACK
Miniature PCB Relay ORWH 
n
 Compact relay with 1 form A and 1 form C contact arrangement
n
 10A switching capacity
n
 Flux proof or sealed type available
n
 6kV dielectric strength type available
Typical applications 
Appliances, HVAC, emergency lighting.
Zt
Approvals  Insulation Data  
UL E82292, TUV R50138967 Initial dielectric strength 
Technical data of approved types on request.  
 between open contacts  750V 
rms
 between contact and coil  1500V
rms
Contact Data  Clearance/creepage   
Contact arrangement  1 form A, 1 NO  between open contacts  >1.6mm 
   1 form C, 1 CO between contact and coil  >3.2mm
Rated voltage  28VDC, 277VAC Clearance/creepage 
Max. switching voltage  28VDC, 277VAC between open contacts, standard type >1.6mm 
Rated current  10A  for 6kV dielectrial strength type  >4mm 
Contact material  AgZnO, AgCdO, AgNi between contact and coil, standard type >3.2mm  
Min. recommended contact load  100mA, 5VDC  for 6kV dielectrial strength type  >4mm 
Frequency of operation  600 ops./h
Operate/release time max.  10ms/5ms
Other Data  
Electrical endurance  
Material compliance: EU RoHS/ELV, China RoHS, REACH, Halogen content 
3
 AgZnO: form A, 10A, 250VAC, res., +85C, Class B or F only  100x10 ops.                           
  refer to the Product Compliance Support Center at 
3
 AgCdO: form A, 10A, 250VAC, res., +85C, Class B or F only  50x10 ops.                           
  www.te.com/customersupport/rohssupportcenter
3
 AgNi: form A, 10A, 250VAC, res., +85C, Class B or F only  50x10 ops.
Ambient temperature  -30C to +70C 
Contact ratings, form A/form B  10A/6A 250VAC resistive 
Category of environmental protection 
   10A/6A 28VDC resistive
 IEC 61810  RTII - flux proof     
6
Mechanical endurance, DC coil  10x10 operations
   RTIII - wash tight
Weight  9.5g
Resistance to soldering heat THT 
Coil Data  
 IEC 60068-2-20  RTII: 270C/10s 
Coil voltage range  3 to 48VDC
   RTIII: 260C/5s
Operative range, IEC 61810  2
Packaging/unit  tube/25, carton box/1000
Coil insulation system according UL  Class A, B, F
Coil versions, DC coil   
 Coil Rated Operate Release Coil Rated coil 
Accessories  
 code voltage voltage voltage resistance power 
Product Code Description
  VDC VDC VDC 10 % mW
27E1064 Socket, rated 10A at 300VAC. UL Recognized for US  
 003 3 2.1 0.3 25 360 
  and Canada. Designed to fit same suggested board  
 005 5 3.5 0.5 70.0  360 
  layout as relay.
 006 6 4.2 0.6 100 360 
 009 9 6.3 0.9 225 360 
 012 12 8.4 1.2 400 360 
 024 24 16.8 2.4 1600 360 
 048 48 33.6 4.8 6400 360
All figures are given for coil without pre-energization, at ambient temperature +23C.
1
09-2018, Rev. 0918 Catalog and product specification according Catalog and product data is subject to the Catalog product data, Definitions section, 
www.te.com to IEC 61810-1 and to be used only together terms of the disclaimer and all chapters of application notes and all specifications are 
 2012 Tyco Electronics Corporation, with the Definitions section. the Definitions section, available at subject to change. 
a TE Connectivity Ltd. company. Catalog 1308242
Issued 3-03 (PDF Rev. 3-04) OEG
Ordering Information
Typical Part Number B ORWH -SS -1 12 D M ,N000
1.  Basic Series:
ORWH = Miniature Power PC board relay.
2. Enclosure:
SS = Vented (flux-tight)* plastic case. SH = Sealed plastic case
3.  Number of Poles:
Catalog 1308242
1 = 1 pole
Issued 3-03 (PDF Rev. 3-04) OEG
4. Coil Voltage:
Ordering Information
03 = 3VDC 06 = 6VDC 12 = 12VDC 48 = 48VDC
05 = 5VDC 09 = 9VDC 24 = 24VDC
Typical Part Number B ORWH -SS -1 12 D M ,N000
5. Coil Input:
1.  Basic Series:
D = Standard
ORWH = Miniature Power PC board relay.
6. Contact Arrangement:
2. Enclosure:
Blank = 1 Form C, SPDT M = 1 Form A, SPST-NO
SS = Vented (flux-tight)* plastic case. SH = Sealed plastic case
7. Option:
3.  Number of Poles:
,N000= Standard model. Other Suffix = Custom model.
1 = 1 pole
4. Coil Voltage: * Not suitable for immersion cleaning
03 = 3VDC 06 = 6VDC 12 = 12VDC 48 = 48VDC
Our authorized distributors are more likely to maintain the following items in stock for immediate delivery.
05 = 5VDC 09 = 9VDC 24 = 24VDC
ORWH-SS-106D,N000 ORWH-SS-148D,N000
ORWH-SH-109D,N000 ORWH-SS-112DM,N000
ORWH-SH-112DM,N000
5. Coil Input:
ORWH-SS-124DM,N000 ORWH-SS-109D,N000
ORWH-SH-124DM,N000 ORWH-SH-112D,N000
D = Standard
ORWH-SH-124D,N000 ORWH-SS-148DM,N000 ORWH-SS-112D,N000
ORWH-SH-105D,N000
Catalog 1308242
ORWH-SS-124D,N000
ORWH-SH-148D,N000 ORWH-SS-105D,N000
6. Contact Arrangement: ORWH-SH-106D,N000
Issued 3-03 (PDF Rev. 3-04) OEG
Blank = 1 Form C, SPDT M = 1 Form A, SPST-NO
7. Option: Ordering InformationOutline Dimensions Wiring Diagram (Bottom View)
,N000= Standard model. Other Suffix = Custom model.
Typical Part NumberGeneral PurposeB ORWH -SS -1 12 D M ,N000
.748  .012 .61  .012
(15.5  .3)
(19.0  .3)
* Not suitable for immersion cleaning
1.  Basic Series: Low Power PCB Relays
SCHRACK
ORWH = Miniature Power PC board relay.
Our authorized distributors are more likely to maintain the following items in stock for immediate delivery.
2. Enclosure:
ORWH-SS-148D,N000
ORWH-SS-112DM,N000 ORWH-SS-106D,N000
ORWH-SH-112DM,N000 ORWH-SH-109D,N000
.622  .02
SS = Vented (flux-tight)* plastic case. SH = Sealed plastic case
ORWH-SH-112D,N000 ORWH-SS-124DM,N000 ORWH-SS-109D,N000
ORWH-SH-124DM,N000 Miniature PCB Relay ORWH (Continued)
(15.8  .5)
ORWH-SS-112D,N000
ORWH-SH-124D,N000 ORWH-SS-148DM,N000
ORWH-SH-105D,N000
3.  Number of Poles:
ORWH-SS-105D,N000 ORWH-SS-124D,N000
ORWH-SH-106D,N000 ORWH-SH-148D,N000
1 = 1 pole
4. Coil Voltage:
Wiring Diagram (Bottom View)
Outline Dimensions
03 = 3VDC 06 = 6VDC 12 = 12VDC 48 = 48VDC
.157  .008
Terminal assignment PCB layout
(4.0  .2)
05 = 5VDC 09 = 9VDC 24 = 24VDC
.748  .012 .61  .012
PC Board Layout (Bottom View)
(19.0  .3) (15.5  .3) Bottom view on solder pins
TERMINAL DIMENSIONS:
5. Coil Input:
COIL: 0.024 (0.6) DIA.
D = Standard
LOAD: 0.12 x 0.35 (0.3 x 0.9)
.236  .004
6. Contact Arrangement:
(6.0  .1)
.622  .02 Blank = 1 Form C, SPDT M = 1 Form A, SPST-NO
(15.8  .5) .236  .004
7. Option: (6.0  .1)
,N000= Standard model. Other Suffix = Custom model.Note: Only necessary terminals are
present on 1 Form A models. 5  .05 DIA
.079  .004
.48  .004
(1.3)
* Not suitable for immersion cleaning
(2.0  .1) (12.2  .1)
.157  .008
(4.0  .2)
Our authorized distributors are more likely to maintain the following items in stock for immediate delivery.
PC Board Layout (Bottom View)
ORWH-SS-148D,N000
ORWH-SS-112DM,N000 ORWH-SS-106D,N000
ORWH-SH-112DM,N000 ORWH-SH-109D,N000
TERMINAL DIMENSIONS:
ORWH-SS-109D,N000
ORWH-SH-112D,N000 ORWH-SS-124DM,N000
ORWH-SH-124DM,N000
COIL: 0.024 (0.6) DIA.
ORWH-SS-112D,N000
LOAD: 0.12 x 0.35 (0.3 x 0.9) ORWH-SH-124D,N000 ORWH-SS-148DM,N000
ORWH-SH-105D,N000
.236  .004
Socket ORWH-SS-105D,N000 ORWH-SS-124D,N000
ORWH-SH-106D,N000 ORWH-SH-148D,N000
(6.0  .1)
27E1064 socket is rated 10A @ 300VAC. UL Recognized for US and
Dimensions .236  .004
Canada. Designed to fit same suggested board layout as relay.Wiring Diagram (Bottom View)
Outline Dimensions(6.0  .1)
Note: Only necessary terminals are
.61  .012
.748  .012
present on 1 Form A models. .270 MAX.5  .05 DIA
.916 MAX.
(19.0  .3) (15.5  .3)
.079  .004 .48  .004 (6.85)
(1.3)
(23.35)
.167 MAX.
(2.0  .1)
(12.2  .1)
(4.25)
.660 MAX.
.622  .02 (16.75)
(15.8  .5)
Socket
27E1064 socket is rated 10A @ 300VAC. UL Recognized for US and
Canada. Designed to fit same suggested board layout as relay.
.157  .008
(4.0  .2.016 TYP) .
PC Board Layout (Bottom View)
.270 MAX. (.40)
.916 MAX.
(6.85)
(23.35)
TERMINAL DIMENSIONS:
.167 MAX.
COIL: 0.024 (0.6) DIA.
(4.25)
LOAD: 0.12 x 0.35 (0.3 x 0.9)
.236  .004
.660 MAX.
Dimensions are shown for Dimensions are in inches over (6.0  .1) Specifications and availability www.tycoelectronics.com
(16.75)
reference purposes only. (millimeters) unless otherwise subject to change. Technical support:
439
.236  .004
specified. Refer to inside back cover.
(6.0  .1)
Note: Only necessary terminals are
present on 1 Form A models. 5  .05 DIA
.079  .004 .48  .004
(1.3)
(2.0  .1)
(12.2  .1)
.016 TYP.
(.40)
Socket
Dimensions are shown for Dimensions are in inches over Specifications and availability www.tycoelectronics.com
Product code structure Typical product code ORWH -SH -1 12 D M 1 F WG ,000
reference purposes only. (millimeters) unless otherwise subject to change. Technical support:
439
27E1064 socket is rated 10A @ 300VAC. UL Recognized for US and
specified. Refer to inside back cover.
Canada. Designed to fit same suggested board layout as relay.
Type
 ORWH Miniature PCB Relay ORWH
.270 MAX.
.916 MAX.
Category of protection (6.85)
(23.35)
.167 MAX.
 SS Flux proof (4.25)SH Wash tight
Number of poles
.660 MAX.
 1 1 pole
(16.75)
Coil voltage
  Coil code: please refer to coil versions table (e.g. 12 = 12VDC)
Coil version
 D Standard H High temperature type
Contact arrangement
.016 TYP.
 Blank 1 form C, 1 CO M 1 form A, 1 NO
(.40)
Contact material
 Blank AgCdo
 1 AgZnO 5 AgZnO + Au plating
Dimensions are shown for Dimensions are in inches over Specifications and availability www.tycoelectronics.com
 3 AgNi 7 AgNi + Au plating
reference purposes only. (millimeters) unless otherwise subject to change. Technical support:
439
Insulation system designation
specified. Refer to inside back cover.
 Blank Class 105 (A) B Class 120 (B) F F = Class 155 (F)
Option material
 Blank Standard H Insulation plate use type
 WG For domestic appliances (IEC 60335-1, 4 Edition); 
Suffix
 ,000 Standard
2
09-2018, Rev. 0918 Catalog and product specification according Catalog and product data is subject to the Catalog product data, Definitions section, 
www.te.com to IEC 61810-1 and to be used only together terms of the disclaimer and all chapters of application notes and all specifications are 
 2012 Tyco Electronics Corporation, with the Definitions section. the Definitions section, available at subject to change. 
a TE Connectivity Ltd. company.