LZ (ALZ)
TYPES
Standard packing: Carton: 100 pcs.; Case: 500 pcs.
Notes: 1. Tube packing type is also available. Please consult us.
2. Carton packing symbol “W” is not marked on the relay.
3. EN60335-1 GWT compliant types available. When ordering, please add suffix “T”.
Ex. ALZ51F12TW
RATING
1. Coil data
2. Specifications
Notes: *1. This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the
actual load.
*2. Wave is standard shock voltage of ±1.2 × 50µs according to JEC-212-1981.
*3. In order to obtain the full rated life cycles, the relay should be properly vented by removing the vent nib. More detail, please look at caution for NOTES.
*4. Class F type is ambient temperature 105°C 221°F.
*5. The upper limit of the ambient temperature is the maximum temperature that can satisfy the coil temperature rise value. Refer to Usage, transport and storage
conditions in NOTES.
*Please note that some of the specifications listed above may not comply with overseas standards.
Contact arrangement Coil voltage
Flux-resistant type Sealed type
Class B insulation Class F insulation Class B insulation Class F insulation
Part No. Part No. Part No. Part No.
1 Form C
5 V DC ALZ11B05W ALZ11F05W ALZ12B05W ALZ12F05W
9 V DC ALZ11B09W ALZ11F09W ALZ12B09W ALZ12F09W
12 V DC ALZ11B12W ALZ11F12W ALZ12B12W ALZ12F12W
18 V DC ALZ11B18W ALZ11F18W ALZ12B18W ALZ12F18W
24 V DC ALZ11B24W ALZ11F24W ALZ12B24W ALZ12F24W
48 V DC ALZ11B48W ALZ11F48W ALZ12B48W ALZ12F48W
1 Form A
(New PC board terminal)
5 V DC ALZ51B05W ALZ51F05W ALZ52B05W ALZ52F05W
9 V DC ALZ51B09W ALZ51F09W ALZ52B09W ALZ52F09W
12 V DC ALZ51B12W ALZ51F12W ALZ52B12W ALZ52F12W
18 V DC ALZ51B18W ALZ51F18W ALZ52B18W ALZ52F18W
24 V DC ALZ51B24W ALZ51F24W ALZ52B24W ALZ52F24W
48 V DC ALZ51B48W ALZ51F48W ALZ52B48W ALZ52F48W
Nominal coil
voltage
Pick-up voltage
(at 20°C 68°F)
Drop-out voltage
(at 20°C 68°F)
Nominal operating
current
[±10%] (at 20°C 68°F)
Coil resistance
[±10%] (at 20°C 68°F)
Nominal operating
power
(at 20°C 68°F)
Max. applied voltage
(at 20°C 68°F)
5 V DC
Max. 70%V
nominal voltage
(Initial)
Min. 10%V
nominal voltage
(Initial)
80 mA 63Ω
400 mW 130%V of
nominal voltage
9 V DC 44.4 mA 203Ω
12 V DC 33.3 mA 360Ω
18 V DC 22.2 mA 810Ω
24 V DC 16.7 mA 1,440Ω
48 V DC 8.3 mA 5,760Ω
Characteristics Item Specifications
Contact
Arrangement 1 Form C, 1 Form A
Contact resistance (Initial) Max. 100 mΩ (By voltage drop 6V DC 1A)
Contact material AgSnO2 type
Rating
Nominal switching capacity (resistive load) 16A 250V AC
Max. switching power (resistive load) 4,000V A
Max. switching voltage 440V AC
Max. switching current 16A
Nominal operating power 400mW
Min. switching capacity*1100mA 5V DC
Electrical
characteristics
Insulation resistance (Initial) Min. 1,000 MΩ (at 500V DC) Measurement at same location as “Breakdown voltage” section.
Breakdown voltage
(Initial)
Between open contacts 1,000 Vrms for 1 min. (Detection current: 10mA)
Between contacts and coil 5,000 Vrms for 1 min. (Detection current: 10mA)
Temperature rise (coil) Max. 55°C 131°F
[with nominal coil voltage and at 16A contact carrying current (resistance method) at 20°C 68°F]
Surge breakdown voltage*2
(Between contacts and coil) (Initial) 10,000 V
Operate time (at nominal voltage) (at 20°C 68°F) Max. 15ms (excluding contact bounce time)
Release time (at nominal voltage) (at 20°C 68°F) Max. 5ms (excluding contact bounce time, without diode)
Mechanical
characteristics
Shock resistance Functional 100 m/s2 (Half-wave pulse of sine wave: 11ms; detection time: 10µs)
Destructive 1,000 m/s2 (Half-wave pulse of sine wave: 6ms)
Vibration resistance Functional 10 to 55Hz at double amplitude of 1.5mm (Detection time: 10µs)
(Only the N.C. side of 1 Form C is 0.8mm)
Destructive 10 to 55Hz at double amplitude of 1.5mm
Expected life Mechanical (at 180 times/min.) Min. 107
Electrical (at 20 times/min.) N.O.: Min. 105, N.C.: Min. 5 × 104
Conditions Conditions for operation, transport and storage*3, *4Ambient temperature: –40°C to +85°C –40°F to +185°F (Class B),
Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature)
Max. operating speed 20 times/min. (at nominal switching capacity)
Unit weight Approx. 12 g .42 oz
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