POWER RELAY
1 POLE—1, 3, 5, 10 A
(CADMIUM FREE CONTACTS TYPE)
LZG SERIES
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FEATURES
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UL (UL372, UL508, UL873), CSA, VDE
4 kinds of contact ratings
—Low level to 10 amps switching
Standard and high sensitivity types available
High isolation in small package
—Dielectric strength: 2,500 VAC
(between coil and contacts)
—Surge strength: 7,000 V
UL class B (130°C) insulation type available
(only plastic sealed type)
Plastic sealed type
Printed circuit terminals compatible with LZ relay
Environmentally friendly cadmium free contact type is
available.
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ORDERING INFORMATION
[Example]
(a)
(b)
(c)
DIS
CO
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INU
ED
LZG – B
(a)
(b)
12
(c)
H
(d)
M
(e)
S
(f )
E – K
(g)
(h)
Series Name
LZG: LZG Series
Coil Heat Proof Class
Nil : Standard type
B : UL Class B insulation type (130°C)
Nominal Voltage
Contact Rating
Refer to the COIL DATA CHART
Nil
H
V
W
: 3A
: 5A
: 10 A (only LZG-M)
: 1 A (bifurcated)
Contact Arrangement
Coil Type
Contact Material (Rating)
Nil : 1 form C (SPDT)
M : 1 form A (SPST-NO)
Nil : Standard type
S : High sensitivity type (without LZG-V)
Nil
Nil
Nil
E
: Gold overlay silver-palladium (only LZG-W)
: Gold overlay silver-nickel (3 A, 5 A)
: Silver alloy (10 A) (only LZG-VM)
: Silver-nickel (3 A, 5 A)
(d)
(e)
( f)
(g)
(h)
Enclosure
Nil : Flux free type
K : Plastic sealed type (only LZG-B)
C : Plastic sealed type (with tape) (only LZG-B)
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LZG SERIES
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SAFETY STANDARD AND FILE NUMBERS
UL372, 508, 873 (File No. E56140)
C 22.2 No. 14 (File No. LR35579)
VDE 0435 (File No. 11039-4940-1004)
Please note that UL/CSA/VDE ratings may differ from the standard ratings. Only "NIL" and "H" contacts have VDE
approval.
Please request when the approval markings are required on the cover and/or relay recognized by SEV is required.
Type
LZG- ( )
LZG- ( )S
Nominal voltage
1.5 to 48 VDC
1.5 to 24 VDC
Contact rating
1/10 HP 120 VAC/240 VAC
2.5 A 240 VAC resistive
3 A 30 VDC/120 VAC resistive
Pilot duty D 150
1/8 HP 120 VAC/240 VAC
4 A 240 VAC resistive
5 A 30 VDC/120 VAC resistive
1 A 250VAC inductive
Pilot duty C 150
1/4 HP 120 VAC/240 VAC
7 A 240 VAC resistive
10 A 24 VDC/120 VAC resistive
Pilot duty C 150
LZG- ( )H
LZG- ( )HS
LZG- ( )VM
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1.5 to 48 VDC
1.5 to 48 VDC
1.5 to 24 VDC
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LZG SERIES
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SPECIFICATIONS
Item
Contact
Arrangement
Material
Style
Resistance (initial) (at 1 A 6 VDC)
Rating (resistive)
Maximum Carrying Current
Maximum Switching Power
10 A Type
LZG-( )VM
1 form A (SPST-NO)
Silver alloy
Single
Maximum 70 mΩ (LZG-H)
Maximum 100 mΩ (LZG-VM, HE, E)
10 A 120 VAC/24 VDC 5 A 120 VAC/24 VDC 3 A 120 VAC/30 VDC
1/4 HP 120 VAC
1/8 HP 120 VAC
1/10 HP 120 VAC
10 A
1,680 VA, 240 W
5A
960 VA, 120 W
600 VA, 90 W
5 A Type
3 A Type
1 A Type
LZG-( )W
Gold overlay
silver-palladium
Bifurcated
Max. 50 mΩ
1 A 120 VAC/30 VDC
1A
190 VA, 30 W
LZG-( )H, LZG-( )HE LZG( ), LZG-( )E
1 form A (SPST-NO) or 1 form C (SPDT)
Gold overlay silver alloy
Coil
Time Value
Insulation
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Maximum Switching Voltage
Maximum Switching Current
Minimum Switching Load*
1
Nominal Power (at 20°C)
250 VAC, 150 VDC
10 A
5A
3A
Standard type: 0.45 to 0.6 W
High sensitivity type: 0.33 W
Operate Power (at 20°C)
Operating Temperature
Standard type: 0.17 to 0.22 W
High sensitivity type: 0.14 W
Standard type: –30°C to +70°C (no frost)
High sensitivity type: –30°C to +80°C (no frost)
(refer to the CHARACTERISTIC DATA)
Operate (at nominal voltage)
Maximum 7 ms
Release (at nominal voltage)
Resistance (at 500 VDC)
Maximum 4 ms
Minimum 250 MΩ
Dielectric
Strength
between
open contacts
750 VAC 1 minute
between coil
and contacts
2,500 VAC 1 minute
Surge Strength
7,000 V (at 1.2
×
50
µs)
2
×
10
7
operations minimum
1
×
10
5
operations minimum (rated load)
Misoperation
Endurance
Misoperation
Endurance
10 to 55 Hz (double amplitude of 3.3 mm)
10 to 55 Hz (double amplitude of 3.3 mm)
100 m/s
2
(11
±1
ms)
1,000 m/s
2
(6
±1
ms)
Approximately 9.2 g
Mechanical
Electrical
Vibration
Resistance
Shock
Resistance
Weight
1A
10 mA 5 VDC (LZG-H) 100 mA 5 VDC (LZG-VM, HE, E) 0.1 mA 100 VDC
Life
Other
*
1
Minimum switching loads mentioned above are reference values. Please perform the confirmation test with the actual
load before production since reference values may vary according to switching frequencies, environmental conditions
and expected reliability levels.
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LZG SERIES
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COIL DATA CHART
MODEL
Single
10 A Type
5 A Type
3 A Type
Bifurcated
1 A Type
1.5 VDC
3 VDC
5 VDC
6 VDC
9 VDC
12 VDC
18 VDC
24 VDC
48 VDC
Nominal
voltage
Coil
resistance
(
±
10%)
5
Ω
20
Ω
56
Ω
80
Ω
180
Ω
320
Ω
720
Ω
1,280
Ω
3,800
Ω
Must
operate
voltage
0.97 VDC
1.95 VDC
3.25 VDC
3.9 VDC
5.85 VDC
7.8 VDC
11.7 VDC
15.6 VDC
28.8 VDC
Must
release
voltage
0.08 VDC
0.15 VDC
0.25 VDC
0.3 VDC
0.45 VDC
0.6 VDC
0.9 VDC
1.2 VDC
2.4 VDC
0.08 VDC
0.15 VDC
0.25 VDC
0.3 VDC
0.45 VDC
0.6 VDC
0.9 VDC
1.2 VDC
Nominal
power
450 mW
450 mW
450 mW
450 mW
450 mW
450 mW
450 mW
450 mW
600 mW
330 mW
330 mW
330 mW
330 mW
330 mW
330 mW
330 mW
330 mW
LZG-(B) 1.5 VM LZG-(B) 1.5H (M) (E) LZG-(B) 1.5 (M) (E) LZG-(B) 1.5 W (M)
LZG-(B)
Standard Type
LZG-(B)
LZG-(B)
LZG-(B)
3 VM LZG-(B)
5 VM LZG-(B)
6 VM LZG-(B)
9 VM LZG-(B)
3H (M) (E) LZG-(B)
5H (M) (E) LZG-(B)
6H (M) (E) LZG-(B)
9H (M) (E) LZG-(B)
3 (M) (E) LZG-(B)
5 (M) (E) LZG-(B)
6 (M) (E) LZG-(B)
9 (M) (E) LZG-(B)
3 W (M)
5 W (M)
6 W (M)
9 W (M)
LZG-(B) 12 VM LZG-(B) 12H (M) (E) LZG-(B) 12 (M) (E) LZG-(B) 12 W (M)
LZG-(B) 18 VM LZG-(B) 18H (M) (E) LZG-(B) 18 (M) (E) LZG-(B) 18 W (M)
LZG-(B) 24 VM LZG-(B) 24H (M) (E) LZG-(B) 24 (M) (E) LZG-(B) 24 W (M)
LZG-(B) 48 VM LZG-(B) 48H (M) (E) LZG-(B) 48 (M) (E) LZG-(B) 48 W (M)
Note: All values in the table are measured at 20
°C.
DIS
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INU
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LZG-(B) 1.5H (M)S (E) LZG-(B) 1.5 (M)S (E) LZG-(B) 1.5 W (M) S
LZG-(B) 3H (M)S (E)
LZG-(B) 5H (M)S (E)
LZG-(B) 6H (M)S (E)
LZG-(B) 9H (M)S (E)
LZG-(B) 12H (M)S (E)
LZG-(B) 18H (M)S (E)
LZG-(B) 24H (M)S (E)
LZG-(B)
LZG-(B)
LZG-(B)
3 (M)S (E) LZG-(B)
5 (M)S (E) LZG-(B)
6 (M)S (E) LGZ-(B)
1.5 VDC
3 VDC
6.8
Ω
0.97 VDC
3 W (M) S
5 W (M) S
6 W (M) S
27
Ω
80
Ω
1.95 VDC
5 VDC
3.25 VDC
6 VDC
9 VDC
110
Ω
3.9 VDC
5.85 VDC
LZG-(B)
9 (M)S (E) LZG-(B)
9 W (M) S
250
Ω
LZG-(B) 12 (M)S (E) LZG-(B)
LZG-(B) 18 (M)S (E) LZG-(B)
LZG-(B) 24 (M)S (E) LZG-(B)
12 W (M) S
18 W (M) S
24 W (M) S
12 VDC
18 VDC
440
Ω
990
Ω
7.8 VDC
11.7 VDC
24 VDC
1,780
Ω
15.6 VDC
High Sensitivity Type
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LZG SERIES
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CHARACTERISTIC AND REFERENCE DATA
Please see LZ relays.
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DIMENSIONS
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Dimensions
LZG-M type
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Schematics
(BOTTOM VIEW)
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PC board mounting
hole layout
(BOTTOM VIEW)
LZG-M-K, LZG-M-C type (Plastic sealed type)
LZG type
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Dotted line : Seal tape (LZG-M-C Type)
LZG-K, LZG-C type (Plastic sealed type)
Dotted line : Seal tape (LZG-C type)
Unit: mm
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