CSM_G7S_DS_E_5_1
1
Relays with Forcibly Guided Contacts
G7S
Relays Conforming to EN Standard
• Relays with forcibly guided contacts
(EN50205 Class A, certified by VDE).
• Supports the CE marking of machinery (Machinery
Directive).
• Helps avoid hazardous machine status when used as
part of an interlocking circuit.
• Track-mounting and Back-mounting Sockets are
available.
Model Number Structure
Model Number Legend
1. NO Contact Poles
4: 4PST-NO
3: 3PST-NO
2. NC Contact Poles
2: DPST-NC
3: 3PST-NC
Ordering Information
Relays with Forcibly Guided Contacts
Sockets
Be sure to read the “Safety Precautions” on page 5 and the
“Precautions for All Relays with Forcibly Guided Contacts”.
G7S-@A@B
1 2
Type Poles Contact configuration Rated voltage Model
Standard 6 poles 4PST-NO, DPST-NC 24 VDC G7S-4A2B
3PST-NO, 3PST-NC G7S-3A3B
Type Rated voltage Model
Track-mounting Common for track mounting and screw mounting 24 VDC P7S-14F-END
Back-mounting PCB terminals --- P7S-14P-E
G7S
2
Specifications
Ratings
Coil
Note: 1. The rated current and coil resistance are measured at a coil temperature of 23°C with tolerances of ±15%.
2. Performance characteristics are based on a coil temperature of 23°C.
3. The maximum voltage is based on an ambient operating temperature of 23°C maximum.
Contacts
Characteristics of Sockets
Note: Use the P7S-14F-END in the ambient humidity range of 35 to 85%.
*The insulation resistance was measured with a 500-VDC megohmmeter at the same locations as the dielectric strength was measured.
Characteristics
Note: The above values are initial values.
*1. Measurement conditions: 5 VDC, 10 mA, voltage drops.
*2. Measurement conditions: Rated voltage operation
Ambient operating temperature: 23°C
Contact bounce time is not included.
*3. The insulation resistance was measured with a 500-VDC megohmmeter at the same locations as the dielectric strength was measured.
*4. The durability is for an ambient temperature of 15 to 35°C and an ambient humidity of 25% to 75%.
*5. The failure rate is based on an operating frequency of 60 operations/min.
Item
Rated
voltage
Rated current
(mA)
Coil resistance
(Ω)
Must operate
voltage (V)
Must release
voltage (V)
Max. voltage
(V)
Power consumption
(W)
24 VDC 30 800 80% max. 10% min. 110% Approx. 0.8
Item Load Resistive load Inductive load (cos φ = 0.4, L/R = 7 ms)
Rated load 240 VAC: 3 A, 24 VDC: 3 A 240 VAC: 3 A, 24 VDC: 1 A
Rated carry current 6 A
Maximum switching voltage 250 VAC, 24 VDC
Maximum switching current 6 A
Model Continuous current Dielectric strength Insulation resistance
P7S-14@10 A 2,000 VAC for 1 min. between terminals 1,000 MΩ min. *
Contact resistance *1100 mΩ max.
Operating time *250 ms max.
Release time *250 ms max.
Maximum operating
frequency
Mechanical 18,000 operations/h
Rated load 1,800 operations/h
Insulation resistance *3100 MΩ min.
Dielectric strength 2,500 VAC, 50/60 Hz for 1 min. (1,500 VAC between contacts of same polarity)
Vibration
resistance
Destruction 10 to 55 to 10 Hz, 0.75-mm single amplitude (1.5-mm double amplitude)
Malfunction 10 to 55 to 10 Hz, 0.375-mm single amplitude (0.75-mm double amplitude)
Shock resistance Destruction 1,000 m/s2
Malfunction 100 m/s2
Durability *4Mechanical 10,000,000 operations min. (at approx. 18,000 operations/h)
Electrical 100,000 operations min. (at the rated load and approx. 1,800 operations/h)
Failure rate (P level) (reference value *5) 5 VDC, 1 mA
Ambient operating temperature –25 to 70°C (with no icing or condensation)
Ambient operating humidity 5% to 85%
Weight Approx. 65 g
3
G7S
Engineering Data
Durability Curve (Rated Resistive Load)
Dimensions (Unit: mm)
Relays with Forcibly Guided Contacts
No. of operations (x10
4
operations)
Contact current (A)
01234 567
50
AC or DC resistive load
3
10
5
30
1
G
7
S
-4A2B
G7S-3A3B Terminal Arrangement/Internal
Connection Diagram
(Bottom View)
G7S-4A2B
Mounting Hole Dimensions
G7S-3A3B
62 max. 22.5 max.
37 max.
5 min.
24 VDC
24 VDC
Fourteen,
1.8 dia.
13 14 33 34 51 52
23 24 41 42 61 62
0
1
13 14 33 34 51 52
23 24 43 44 61 62
0
1
67 0.6 1.5
58
10.8 0.5
8
14.5
6
8±0.1 14.5±0.1
7±0.1
21±0.1
35±0.1
6137
G7S
4
Sockets
Track-mounting
S
ocket
P7S-14F-END Terminal Arrangement/Internal
Connection Diagram
(Top View)
Mounting Hole Dimensions
40 max.
33±0.1
4
7.5
Fourteen, M3.0 × 8
Indicator
90.5 max.
5
(5)
5.9 3.1
80 max.
37
17 33±0.1
Two, M3.5- or
4.0-dia. holes
520
1
51
61
62
34
33
13
14
23
24
44
43
41 42
Back-mounting Socket (PCB Terminals)
P7S-14P-E
Terminal Arrangement/Internal
Connection Diagram
(Bottom View)
With G7S-4A2B mounted
Mounting Hole Dimensions
With G7S-3A3B mounted
23.5 max.
5×7=35
Two, 6.5 dia x 8 depth
Fourteen, 2.5 dia. Two,
3.6 dia.
16.9
7 (15)
6 4.1
13.2
14.5
8
14.5
(21)
4.2
2.8
28
28
(16.9)
8
6 7
57 max.
23.5 max.
70.5 max.
5×7=35
±0.2
±0.2
5
G7S
Certified Standards
•EN Standards, VDE Certified
EN61810-1 (Electromechanical non-specified time all-or-nothing
relays)
EN50205 (Relays with forcibly guided (linked) contacts)
•UL standard UL508 Industrial Control Devices
•CSA standard CSA C22.2 No. 14 Industrial Control Devices
Forcibly Guided Contacts (from EN50205)
If an NO contact becomes welded, all NC contacts will maintain a
minimum distance of 0.5 mm when the coil is not energized. Likewise
if an NC contact becomes welded, all NO contacts will maintain a
minimum distance of 0.5 mm when the coil is energized.
Safety Precautions
Refer to the “Precautions for All Relays” and “Precautions for All Relays with Forcibly Guided Contacts”.
Wiring
•Use one of the following wires to connect to the P7S-14F-END.
Stranded wire: 0.75 to 1.5 mm2
Solid wire: 1.0 to 1.5 mm2
•Tighten each screw of the P7S-14F-END to a torque of 0.78
to 0.98 N·m.
•Refer to the internal connections diagram of the G9S Safety Relay
Unit for an application example of the G7S.
•Wire the terminals correctly with no mistakes in coil polarity,
otherwise the G7S will not operate.
Cleaning
The G7S is not of enclosed construction. Therefore, do not wash the
G7S with water or detergent.
Precautions for Correct Use
Read and Understand This Catalog
Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or
comments.
Warranty and Limitations of Liability
WARRANTY
OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified)
from date of sale by OMRON.
OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON-INFRINGEMENT, MERCHANTABILITY, OR
FITNESS FOR PARTICULAR PURPOSE OF THE PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS
DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. OMRON DISCLAIMS ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED.
LIMITATIONS OF LIABILITY
OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR COMMERCIAL LOSS
IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT
LIABILITY.
In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted.
IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS REGARDING THE PRODUCTS UNLESS
OMRON'S ANALYSIS CONFIRMS THAT THE PRODUCTS WERE PROPERLY HANDLED, STORED, INSTALLED, AND MAINTAINED AND NOT
SUBJECT TO CONTAMINATION, ABUSE, MISUSE, OR INAPPROPRIATE MODIFICATION OR REPAIR.
Application Considerations
SUITABILITY FOR USE
OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's
application or use of the products.
At the customer's request, OMRON will provide applicable third party certification documents identifying ratings and limitations of use that apply to the
products. This information by itself is not sufficient for a complete determination of the suitability of the products in combination with the end product,
machine, system, or other application or use.
The following are some examples of applications for which particular attention must be given. This is not intended to be an exhaustive list of all possible
uses of the products, nor is it intended to imply that the uses listed may be suitable for the products:
•
Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this catalog.
•
Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles,
safety equipment, and installations subject to separate industry or government regulations.
•
Systems, machines, and equipment that could present a risk to life or property.
Please know and observe all prohibitions of use applicable to the products.
NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE
SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCTS ARE PROPERLY RATED AND
INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
PROGRAMMABLE PRODUCTS
OMRON shall not be responsible for the user's programming of a programmable product, or any consequence thereof.
Disclaimers
CHANGE IN SPECIFICATIONS
Product specifications and accessories may be changed at any time based on improvements and other reasons.
It is our practice to change model numbers when published ratings or features are changed, or when significant construction changes are made.
However, some specifications of the products may be changed without any notice. When in doubt, special model numbers may be assigned to fix or
establish key specifications for your application on your request. Please consult with your OMRON representative at any time to confirm actual
specifications of purchased products.
DIMENSIONS AND WEIGHTS
Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown.
PERFORMANCE DATA
Performance data given in this catalog is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the
result of OMRON’s test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to the OMRON
Warranty and Limitations of Liability.
ERRORS AND OMISSIONS
The information in this document has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical,
typographical, or proofreading errors, or omissions.
2009.12
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/
(c)Copyright OMRON Corporation 2009 All Right Reserved.
