Product Details Portlet

G5NB-EL PCB Power Relay

A slim compact Relay with 7 A switching capacity

  • 7 A (250 VAC), 5 A (30 VDC) high capacity switching with compact size.
  • Minimum 200,000 operations durability at 5 A (250 VAC) switching.
  • IEC/EN 60335-1 conformed.
  • Ambient operating temperature: max. 85°C
  • IEC/EN 60079-15 conformed. (Only for G5NB-1A4-EL-HA Model)
  • Enable Smaller PCB Designs
    PCB Power Relays Type G5NB, Type G5Q
    Introduction of G5NB and G5Q

    Circuit designers face the constant challenge of shrinking PCB designs.
    Now, with OMRON G5NB and G5Q slim power relays, small PCB designs can be easier to create than ever.

RoHS Compliant
Model 2D/3D CAD ECAD(Download symbol,FootPrint,3DCAD)
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G5NB-1A-EL-HA-A85 Download Download
G5NB-1A4-EL-HA Download Download
G5NB-1A4-EL-HA-PW Download Download
(*) Ultra Librarian uniquely created ECAD data based on the information provided by OMRON. Please note that OMRON does not guarantee the accuracy, concurrence or completeness of ECAD data.
Note: This web page provides an excerpt from a datasheet. Refer to Product Datasheet and other applicable documents for more information.

Ordering Information

Classification Contact form Enclosure ratings Model Rated coil voltage Minimum
packing unit
Single stable relay SPST-NO (1a) Fully Sealed G5NB-1A4-EL-HA(-SP) DC5,12,24V 100pcs./Tray
Flux protection G5NB-1A-EL-HA-A85 100pcs./Tray



Rated voltage Rated current (mA) Coil resistance (Ω) Must operate voltage (V) Must release voltage (V) Max. voltage (V) Power consumption (mW)
5VDC 40.0 125 75% max. 10% min.
10 to 39%
Approx. 200
Approx. 50
12 VDC 16.7 720
24VDC 8.3 2,880


Item Resistive load
Contact Type Single
Contact material Ag-alloy (Cd free)
Rated load 5 A at 250 VAC, 7 A at 250 VAC
5 A at 30 VDC
Rated carry current 5 A at DC, 7 A at AC
Max. switching voltage 250 VAC, 30 VDC
Max. switching current 5 A at DC, 7 A at AC


Contact resistance∗1 100 mΩ max.
Operate time 10 ms max.
Release time 10 ms max.
Insulation resistance∗2 1,000 MΩ min.
Dielectric strength Between coil and contacts 4,000 VAC, 50/60 Hz for 1 min
Between contacts of the same polarity 750 VAC, 50/60 Hz for 1 min
Insulation distance Between coil and contacts Clearance: 6 mm, Creepage: 6 mm
Impulse withstand voltage Between coil and contacts 10 kV (1.2 x 50 νs)
Vibration resistance Destruction 10 to 55 to 10 Hz, 0.75 mm single amplitude
(1.5 mm double amplitude)
Shock resistance Destruction 1,000 m/s2
Malfunction 100 m/s2
Durability Mechanical 5,000,000 operations min.
Electrical (resistive load)
  • Standard, Coil holding voltage type
    200,000 operations at 250 VAC, 5 A
    50,000 operations at 250 VAC, 7 A
    100,000 operations at 30 VDC, 5 A
  • High temperature rating type (G5NB-1A-EL-HA-A85)
    100,000 operations at 250 VAC, 5 A at 85°C
    50,000 operations at 250 VAC, 7 A at 85°C
Failure rate (P level) (reference value)∗3 DC5V 10mA
Ambient operating temperature -40°C to 85°C (with no icing or condensation)
Ambient operating humidity 5% to 85%
Weight Approx. 4 g

Other data

Creepage distance 6.0 mm
Clearance distance 6.0 mm
Insulation Material Group III a
Type of insulation coil-contact circuit
  • Reinforced
  • Micro disconnection
open contact circuit
Rated Insulation Voltage 250V
Pollution degree 3
Rated voltage system 250V
Overvoltage category III
Category of protection according to IEC 61810-1 RT III
Glow wire according to IEC 60335-1 < HA Models only >
GWT 750°C min. (IEC 60695-2-11) / GWFI 850°C min. (IEC 60695-2-12)
Tracking Index of relay base PTI 250V min. (housing Parts)
Flammability class according to UL94 V-0


(Unit: mm)


  • Dimensions: G5NB-1A4-EL-HA(-PW), G5NB-1A-EL-HA-A85

    ∗ Average value

  • PCB Mounting Holes (BOTTOM VIEW)

    Tolerance: ±0.1 mm

    PCB Mounting Holes
    Terminal Arrangement / Internal Connections
    Terminal Arrangement / Internal Connections

    (No coil polarity)


Please refer to “PCB Relays Common Precautions” for correct use.

Correct Use

Coil Voltage Reduction (Holding Voltage) after Relay Operation
  • If the coil voltage is reduced to the holding voltage after Relay operation, first apply the rated voltage to the coil for at least 100 ms, as shown below.
  • A voltage of at least 50% of the rated voltage is required for the coil holding voltage. Do not allow voltage fluctuations to cause the coil holding voltage to fall below this level.
Coil Voltage Reduction (Holding Voltage) after Relay Operation
  Applied coil voltage Coil resistance Power consumption
Rated voltage 100% 125Ω (5 VDC)
720Ω (12 VDC)
2880Ω (24 VDC)
Approx. 200 mW
Holding voltage 50% Approx. 50 mW