188
G5LB PCB Relay
A Cubic, Single-pole 10-A Power Relay
19.6 × 15.6 × 15.2 mm (L × W × H)
Subminiature “Sugar Cube” relay.
Low coil power consumption (360 mW).
UL class B and class F insulation available.
Models with CTI >175 and CTI > 250 available.
Withstands impulse of up to 4,500 V.
Ordering Information
Note: When ordering, add the rated coil voltage to the model number.
Model Number Legend:
1. Number of Poles
1: 1 pole
2. Contact Form/Contact Construction
None: SPDT
A: SPST-NO
3. Sealing/Protective Construction
None: No sealed (vent hole)
4: Sealed
4. Contact Type
None: Standard
(Silver Tin Oxide)
5. Coil Power Consumption
None: 360 mW
40: 400 mW
60: 600 mW (UL and CSA only)
6. Tracking Index, and Coil Insulation
None: At least PTI 175 (CTI Index 3), and Class B
25: At least PTI 250 (CTI Index 2), and Class F
7. Optional Suffix(es)
None: May include additional numbers and/or
letters for sales purposes.
8. Rated Coil Voltage
Specifications
Coil Ratings
360-mW Models
Note: The rated current and coil resistance are measured at a coil temperature of 23°C with a tolerance of ±10%.
RoHS Compliant Refer to pages 16 to 17 for details.
EN61810 Edition 2
Seal Contact form Contact material
AgSnO2
No sealed (vent hole) SPDT G5LB-1
SPST-NO G5LB-1A
Plastic-sealed SPDT G5LB-14
SPST-NO G5LB-1A4
Example: G5LB-1 12 VDC
Rated coil volta
g
e
G5LB @@@-@-@-@-@-@ VDC
1 2 3 4 5 6 7 8
Rated voltage 3 VDC 5 VDC 6 VDC 9 VDC 12VDC 24 VDC 36 VDC 48 VDC
Rated current 123.3 mA 72.0mA 60.8 mA 40.8 mA 30.7 mA 15.2 mA 10.2 mA 7.6 mA
Coil resistance 24.3 69.4 98.7 220.4 390.6 1575.4 3533.7 6287.4
Must operate voltage 75% of rated voltage (max.)
Must release voltage 10% of rated voltage (min.)
Max. voltage 170% of rated voltage at 23°C
Power consumption Approx. 360 mW
189
G5LBG5LB
400-mW Models
Note: The rated current and coil resistance are measured at a coil temperature of 23°C with a tolerance of ±10%.
600-mW Models
Note: The rated current and coil resistance are measured at a coil temperature of 23°C with a tolerance of ±10%.
Contact Ratings
Note: P level: λ60 = 0.1 x 10–6 operations
Approved Standards
UL325, UL873 (File No. E41643 Vol. 11 Sec. 6) and CSA C22.2 No. 14 (File No. LR31928)
EN61810-1 (2nd Ed) and EN60255-25 (VDE Reg. No. A662)
Characteristics
G5LB-1
Rated voltage 3 VDC 5 VDC 6 VDC 9 VDC 12 VDC 24 VDC 36 VDC 48 VDC
Rated current 136.4 mA 80.0 mA 67.8 mA 45.7 mA 32.8 mA 17.0 mA 11.3 mA 8.5 mA
Coil resistance 22.0 62.5 88.5 196.9 366.0 1,407.7 3,196.8 5,638.0
Must operate voltage 75% of rated voltage (max.)
Must release voltage 10% of rated voltage (min.)
Max. voltage 130% of rated voltage at 85°C, 170% of rated voltage at 23°C
Power consumption Approx. 400 mW
Rated voltage 3 VDC 5 VDC 6 VDC 9 VDC 12 VDC 24 VDC 36 VDC 48 VDC
Rated current 200.2 mA 120.0 mA 100.7 mA 66.8 mA 50.4mA 25.3 mA 16.6 mA 12.6 mA
Coil resistance 15.0 41.7 59.6 134.8 237.9 947.6 2,164.8 3,800.0
Must operate voltage 75% of rated voltage (max.)
Must release voltage 10% of rated voltage (min.)
Max. voltage 130% of rated voltage at 85°C, 170% of rated voltage at 23°C
Power consumption Approx. 600 mW
Load Resistive load (cos φ=1)
Rated load 10 A at 120 VAC, 8 A at 30 VDC, 10 A at 250 VAC
Rated carry current 10 A
Max. switching voltage 250 VAC, 125 VDC (30 VDC when UL/CSA standard is applied)
Max. switching current AC: 10 A, DC: 8 A
Max. switching power 1,200 VA, 240 W, 2,500 VA
Failure rate (reference value) 100 mA at 5 VDC
Model Coil rating Contact rating
G5LB 3 to 48 VDC 10 A, 250 VAC (general use, 100,000 cycles)
10 A, 30 VDC (resistive load, 100,000 cycles)
Model Coil rating Contact rating
G5LB 3, 5, 6, 9, 12, 24, 36, and 48 VDC 10 A 30 VDC (resistive load, 50,000 cycles)
NO and Sealed: 10 A 250 VAC (general use, 25,000 cycles at 85°C)
NO and Vent Hole: 10 A 250 VAC (general use, 50,000 cycles at 85°C)
NC and Vent Hole: 10 A 250 VAC (general use, 25,000 cycles at 85°C)
Contact resistance 100 m max.
Operate time 10 ms max.
Release time 5 ms max.
Max. switching frequency Mechanical: 18,000 operations/hr
Electrical: 1,800 operations/hr (under rated load)
Insulation resistance 1,000 M min. (at 500 VDC)
Dielectric strength 750 VAC, 50/60 Hz for 1 min. between contacts of same polarity
2,000 VAC, 50/60 Hz for 1 min. between coil and contacts
Impulse withstand voltage 4,500 V between coil and contacts, 1.2 × 50 µs
Vibration resistance Destruction: 10 to 55 to 10 Hz, 1.5-mm double amplitude
Malfunction: 10 to 55 to 10 Hz, 1.5-mm double amplitude
Shock resistance Destruction: 1,000 m/s2 (approx. 100 G)
Malfunction: 100 m/s2 (approx. 10 G)
Endurance Mechanical: 10,000,000 operations min. (at 18,000 operations/hr)
Electrical: 100,000 operations min. (at 1,800 operations/hr, 10 A, 120 VAC)
Ambient temperature Operating: 40°C to 85°C
Ambient humidity Operating: 35% to 85%
Weight Approx.: 10 g
190
G5LBG5LB
Engineering Data
Dimensions
Note: 1. All units are in millimeters unless otherwise indicated.
2. Orientation marks are indicated as follows:
SPDT Models
Max. Switching Power, G5LB-1 Ambient Temp. Vs Max. Voltage
Maximum voltage (%)
0
100
120
140
160
180
200
-252030405060708090100
23
Switching temperature (˚C)
Endurance, G5LB-1
Life expectancy (x103 operations)
Switching current (A)
10
30
50
70
100
300
500
700
1,000
3,000
5,000
24 6 810120
30 VDC
resistive load
120 VAC
resistive load
30 VDC
inductive
(L/R=7ms)
120 VAC
inductive
CosØ=0.4
(see note)
DC resistive
load
AC resistive
load
Switching current (A)
0.3
0.5
0.7
1
3
5
7
10
0 10 30 50 125 250 500 1,000
Switching voltage (V)
Note: Curve for 120 VAC, inductive load
Cosφ=0.4 is the same for
250 VAC, resistive load.
Note: The maximum coil voltage is the maximum
value in a varying range of operating pow-
er voltages not a continuous voltage.
19.6±0.15 15.6±0.15
15.2±0.2
0.5
3.5
0.25 1.0 0.4
1.2
1.7 12.2 3.72
12 1.81.8
19.6±0.15 15.6±0.15
15.2±0.2
0.5
3.5
0.25 1.0 0.4
1.2
Terminal Arrangemment/
Internal Connections
(Bottom View)
Mounting Holes
(Bottom View)
Tolerance: ±0.1mm
1
23
54
G5LB-1
G5LB-14
191
G5LBG5LB
SPST Models
19.6±0.15 15.6±0.15
15.2±0.2
0.5
3.5
0.25 1.0 0.4
1.2
1.7 12.2 3.72
12 1.81.8
19.6±0.15 15.6±0.15
15.2±0.2
0.5
3.5
0.25 1.0 1.2
Terminal Arrangemment/
Internal Connections
(Bottom View)
Mounting Holes
(Bottom View)
Tolerance: ±0.1mm
1
23
5
0.4
G5LB-1A
G5LB-1A4
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
Cat. No. k128-E1-02