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ALFG2PF121 | LF-G Relays

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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.

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

As of May 31, 2023
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	August 9, 2022

Mark on products*

* 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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