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ALFG2PF121 | LF-G Relays


LF-G Relays

*Photo may vary from actual product.

  • RoHS Compliant This product has been confirmed that it does not contain the 6 substances specified in EU RoHS Directive 2011/65/EU and the 4 substances specified in 2015/863/EU.  
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Product Number ALFG2PF121
Part Number ALFG2PF121
Product name LF-G Relays
Features Load for solar inverter, Compact size, 1 Form A 22 A/33 A, Power relays

*“ Product Number ” is ordering part number for non Japanese market. “ Part Number ” is ordering part number for Japanese market.


As of August 19, 2022
Specifications and design of the products are subject to change without notice for the product improvement.

Spec Detail

Item Specifications
Product Number ALFG2PF121
Part Number ALFG2PF121
Protective construction Flux-resistant
Operating function Single side stable
Terminal shape PC board terminal
Contact rating type High capacity type
Coil insulation class Class F insulation
Insulation distance [Between contact and coil]
Clearance: Min. 6.5 mm, Creepage: Min. 9.5 mm
Contact gap 1.8 mm
Standard packing
Carton (pieces)
50
Standard packing
Case (pieces)
200

Coil data

Item Specifications
Rated coil voltage 12 V DC
Operate voltage (at20°C) Max. 70% V of rated coil voltage (Initial)
Release voltage (at20°C) Min. 10% V of rated coil voltage (Initial)
Rated operating current [±10%] (at 20°C) 117 mA
Coil resistance [±10%] (at 20°C) 103 Ω
Rated operating power 1,400 mW
Max. allowable voltage (at 20°C) 120% V of rated coil voltage

Specifications

Item Specifications
Contact arrangement 1 Form A
Contact resistance (initial) Max. 100 mΩ (by voltage drop 6 V DC 1 A)
Contact shape Single
Contact material AgSnO2 type
Contact rating (resistive load) 33 A 250 V AC
Max. switching power (resistive load) 8,250 VA
Max. switching voltage 250 V AC
Max. switching current 33 A (AC)
Min. switching load (reference value) 100 mA 5 V DC
Insulation resistance (initial) Min. 1,000 MΩ (at 500 V DC, Measured portion is the same as the case of dielectric strength.)
Dielectric strength (initial) : Between open contacts 2,500 Vrms for 1 min (detection current: 10 mA)
Dielectric strength (initial) : Between contact and coil 4,000 Vrms for 1 min (detection current: 10 mA)
Surge withstand voltage (initial) : Between contact and coil 6,000 V
Coil holding voltage 35 to 120% V (contact carrying current: 33 A, at 20°C)
40 to 80% V (contact carrying current: 33 A, at 85°C)
Operate time (initial) (at 20°C) Max. 20 ms at rated coil voltage (without bounce)
Release time (initial) (at 20°C) Max. 10 ms at rated coil voltage (without bounce, without diode)
Shock resistance (Functional) 100 m/s2 (half-sine shock pulse: 11 ms, detection time: 10 µs)
Shock resistance (Destructive) 1,000 m/s2 (half-sine shock pulse: 6 ms)
Vibration resistance (Functional) 10 to 55 Hz (at double amplitude of 1.5 mm, detection time: 10 µs)
Vibration resistance (Destructive) 10 to 55 Hz (at double amplitude of 1.5 mm)
Mechanical life Min. 500x103 ope. (switching frequency: at 180 times/min)
Conditions Ambient temperature: -40 to +60°C (When rated coil voltage applied)
Ambient temperature: -40 to +85°C
(When coil holding voltage is 45 to 80% V of rated coil voltage)
Humidity: 5 to 85% RH (Avoid icing and condensation)
Unit weight Approx. 23 g

Expected electrical life

Item Specifications
Destructive [switching frequency ON : OFF = 0.1 s : 10 s]
Min. 30x103 ope. 33 A 250 V AC (cosΦ = 0.8)
Over load [switching frequency ON : OFF = 0.1 s : 10 s]
Min. 50 ope. 50 A 250 V AC (cosΦ = 0.8)

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Information on Compliance with Standards

Standard Name Status Information on Compliance
UL/C-UL

Approval

File No. E43028
Rating 33A 277V AC
Remarks -
Last update May 7, 2019
CSA

N/A

File No. -
Rating -
Remarks CSA standard certified by C-UL
Last update May 7, 2019
VDE

Approval

File No. 40023067
Rating 33A 250V AC (cosφ=0.8)
Remarks -
Last update February 10, 2021
Mark on products* UL C-UL Recognaized VDE HOUSE MARK

* The "Mark on products" field shows the standards' certificate type marked to products. Note that not all certified products have a certificate mark affixed to them.


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