FTR-K1 SERIES
POWER RELAY
1 POLE - 1/3/5/10A
Medium Load Control
LZ Series
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FEATURES
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UL, CSA, SEV recognized
Contact rating types - Low level to 10 amps switching
Standard and high sensitivity types available
High surge strength version available
UL class B (130°C) insulation type available (only plastic sealed type)
Printed circuit terminals - 0.1" grid pitch
Plastic sealed type, RTIII
RoHS compliant.
Please see page 9 for more information
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PARTNUMBER INFORMATION
[Example]
LZ
(a)
-
B 12 H M S E -
(b) (c) (d) (e) (f ) (g)
K HV - UC
(h) (i)
(j)
(a)
(b)
(c)
(d)
Relay type
Coil wire class
Coil rated voltage
Contact type
LZ
Nil
B
12
Nil
H
V
W
Nil
M
Nil
S
Nil
Nil
Nil
E
Nil
K
C
Nil
HV
UC
: LZ Series
: Standard type
: UL class B insulation type (130
°C)
: 1.5....100VDC
Coil rating table at page 3
: 3A
: 5A
: 10A (standard coil power only)
: 1A (bifurcated contact)
: 1 form C (SPDT)
: 1 form A (SPST-NO)
: Standard type (450-600mW)
: High sensitive type (300mW)
: Gold overlay silver-palladium (1A) (only LZ-W)
: Gold overlay silver-nickel (3A, 5A)
: Silver alloy (10A) (only LZ-V) (contains cadmium)
: Silver-nickel (3A, 5A)
: Flux proof type, RTII
: Plastic sealed type (recommended for new designs) RTIII
: Plastic sealed type (with tape) RTIII
: Standard type (4,000V)
: High surge strength type (6,000V)
: UL, CSA approved type
1
(e)
(f)
(g)
Contact configuration
Coil type
Contact material
(h)
Enclosure
(i)
(j)
Surge strength
Approvals
FTR-K1 SERIES
LZ SERIES
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SPECIFICATION
LZ-( ) (Standard type)
Item
10A Type
LZ - ( ) V
LZ - ( ) VM
Contact
Data
Configuration
Construction
Material
Resistance (initial) (at 6 VDC, 1A)
Single
Silver alloy
(contains
cadmium)
Max. 100
mOhm
10A, 120VAC/
24VDC
1/4HP,
120VAC
10A
1,680VA,
240W
10A
5A Type
LZ - ( ) H
LZ - ( ) HE
3A Type
LZ - ( )
LZ - ( ) E
1A Type
LZ- ( ) W
Bifurcated (crossbar)
Gold overlay
silver-
palladium
Max. 50 mOhm
1 form A (SPST-NO), 1 form C (SPDT)
Single (crossbar)
Gold overlay silver alloy
Silver alloy (LZ-HE, E)
Max. 70 mOhm (LZ-H, LZ)
Max. 100 mOhm (LZ-HE, E)
5A, 120VAC/
24VDC
1/8 HP,
120VAC
5A
960VA, 120W
5A
Contact rating (resistive)
Max. carrying current
Max. switching voltage
Max. switching power
Max. switching current
3A,120VAC/
24VDC
1A, 120VAC /
1/10HP,
30VDC
120VAC
1A
600VA, 90W 190VA, 30W
3A
1A
250VAC, 150 VDC
Min. switching load *
100mA 5VDC
10mA,
10mA, 5VDC
5VDC(LZ-)
(LZ-H)
100mA,
100mA, 5VDC
5VDC (LZ-
(LZ-HE)
E)
0.1mA, 100mVDC
Life
Coil Data
Mechanical
Electrical
Rated Power (at 20 °C)
Operate Power (at 20 °C)
Operating temperature range
Min. 20 x 10
6
operations
Min. 100 x 10
3
operations (contact rating)
450 - 600mW
170 - 220 mW (LZ- ( ) V : 290 - 390 mW)
-30 °C to +70 °C (no frost)
Max. 7 ms (without bounce)
Max. 4 ms (no diode)
Min. 250MOhm at 500VDC
Open contacts
Contacts to coil
Coil to contacts
Misoperation
Endurance
Misoperation
Endurance
750VAC, 1min
2,000VAC, 1min
4,000V / High surge: 6,000V, 1.2 x 50µs standard wave
10 to 55Hz double amplitude 3.3 mm
10 to 55Hz double amplitude 3.3 mm
Min. 100m/s² (11 ± 1ms)
Min. 1,000m/s² (6 ± 1ms)
Approximately 7.7g
Timing Data
Insulation
Operate (at nominal voltage)
Release (at nominal voltage)
Resistance (initial)
Dielectric strength
Surge strength
Other
Vibration resistance
Shock
Weight
* Minimum switching loads mentioned above are reference values. Please perform the confirmation test with actual
load before production since reference values may vary according to switching frequencies, environmental contions
and expected reliability levels.
2
FTR-K1 SERIES
LZ SERIES
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SPECIFICATION
LZ-( ) S (High sensitive type)
Item
Contact
Data
Configuration
Construction
Material
Resistance (initial) (at 6VDC, 1A)
Contact rating
Max. carrying current
Max. switching voltage
Max. switching power
Max. switching current
Min. switching load *
Life
Coil Data
Mechanical
Electrical
Rated power (at 20 °C)
Operate power (at 20 °C)
Operating temperature range
Timing Data
Insulation
Operate (at nominal voltage)
Release (at nominal voltage)
Resistance (initial)
Dielectric strength
Surge strength
Other
Vibration resistance
Shock
Weight
Open contacts
Contacts to coil
Coil to contacts
Misoperation
Endurance
Misoperation
Endurance
Resistive
Motor load
5A Type
LZ-( )HS, LZ -( )HSE
Single (crossbar)
Gold overlay silver
nickel
Silver nickel (LZ-
HSE, SE)
3A Type
LZ-( )S, LZ-( )SE
1A Type
LZ-( )WS
Bifurcated (crossbar)
Gold overlay silver-
palladium
Max. 50mOhm
1 form A (SPST-NO), 1 form C (SPDT)
Max. 70mOhm (LZ-HS, S)
Max. 100mOhm (LZ-HSE, SE)
1/8 HP, 120VAC
5A
250VAC, 150 VDC
960VA, 120W
5A
600VA, 90W
3A
1/10 HP, 120VAC
5A, 120VAC / 24VDC 3A, 120VAC / 30VDC 1A, 120VAC / 30VDC
-
1A
190VA, 30W
1A
0.1 mA, 100mVDC
10 mA, 5VDC (LZ-HS, S)
100 mA, 5VDC (LZ-HSE, SE)
Min. 20 x 10
6
operations
Min. 100 x 10
3
operations
330 mW
140 mW
-30 °C to +80 °C (no frost)
Max. 7 ms
Max. 4 ms
Min. 250MOhm at 500VDC
750VAC, 1min
2,000VAC, 1min
4,000V / -HV type: 6,000V, 1.2 x 50µs standard wave
10 to 55Hz double amplitude 3.3 mm
10 to 55Hz double amplitude 3.3 mm
Min. 100m/s² (11 ± 1ms)
Min. 1,000m/s² (6 ± 1ms)
Approximately 7.7 g
* Minimum switching loads mentioned above are reference values. Please perform the confirmation test with actual
load before production since reference values may vary according to switching frequencies, environmental contions
and expected reliability levels.
3
LZ SERIES
FTR-K1 SERIES
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COIL RATING
Standard type (450 mW)
Coil
Code
Rated Coil
Voltage
(VDC)
Coil Resistance
+/- 10% (Ohm)
Must Operate Voltage
(VDC) *
LZ-(B) ( ) VM
LZ-(B) ( ) (M) (E)
LZ-(B) ( ) W (M)
1.5
3
5
6
9
12
18
24
48
100
1.5
3
5
6
9
12
18
24
48
100
5
20
56
80
180
320
720
1,280
3,800
22,200
0.97
1.95
3.25
3.9
5.85
7.8
11.7
15.6
28.8
65
LZ-(B) ( ) V
Must Release-
Voltage
(VDC) *
Rated
Power
(mW)
1.2
2.4
4
4.8
7.2
9.6
14.4
19.2
38.4
80
0.08
0.15
0.25
0.3
0.45
0.6
0.9
1.2
2.4
5
600
450
450
High sensitive type (330 mW)
Coil
Code
1.5
3
5
6
9
12
18
24
Rated Coil
Voltage
(VDC)
1.5
3
5
6
9
12
18
24
Coil Resistance
+/- 10% (Ohm)
6.8
27
80
110
250
440
990
1,780
Must Operate
Voltage
(VDC) *¹
0.97
1.95
3.25
3.9
5.85
7.8
11.7
15.6
Must Release-
Voltage
(VDC) *¹
0.08
0.15
0.25
0.3
0.45
0.6
0.9
1.2
330
Rated Power
(mW)
Note: All values in the table are valid for 20°C and zero contact current.
* Specified operate values are valid for pulse wave voltage.
4
FTR-K1 SERIES
LZ SERIES
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SAFETY STANDARDS
Type
UL
Compliance
UL 508
E 56149, E 45026
CSA
C22.2 No. 14
LR 35579
Contact rating
Flammability: UL 94-V0 (plastics)
[LZ-( )W, LZ-( )WS]
0.8A, 240VDC (resistive)
1A, 120VAC / 30VDC (resistive)
[LZ-( ), LZ-( )S]
2.5A, 240 VDC (resistive)
3A, 120 VAC / 30VDC (resistive)
1/10 HP, 120VAC/2400VAC
Pilot duty: D150
[LZ-( ), LZ-( )S]
2.5A, 240 VAC (resistive)
3A, 120 VAC / 30VDC (resistive)
1/10 HP, 120VAC/2400VAC
Pilot duty: D150
[LZ-( )V]
7A, 240 VDC (resistive)
10A, 120 VAC / 30VDC (resistive)
1/4 HP, 120VAC/2400VAC
Also complies with SEV.
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