FTR-K1 SERIES
Discontinued in March 2019
POWER RELAY
1 POLE - 20/25/30A - Heavy power control
VF Series
FEATURES
UL, CSA, VDE recognized TV-15 rated
1 form A contact (SPST-NO)
Heavy duty 20 to 30A small power relay
High inrush current and high surge voltage
- Inrush current 65A
- Surge strength 10,000V
Printed circuit coil terminals type available
Small package meets high density mounting requirement
Flux proof sealing, RTII
RoHS Compliant
Please see page 7 for more information
PARTNUMBER INFORMATION
VF B - 6 H U
[Example] (a) (b) (*) (c) (d) (e)
(a) Relay type VF : VF-Series
(b) Terminal Nil : Top - All tab-terminal
B : Top - Tab terminal (contacts)
Bottom - PCB terminal (coil and movable contact)
D : Top - Tab terminal (coil)
Screw tight terminal (contacts)
P : Top - Screw tight terminal (contacts)
Bottom - PCB terminal (coil and movable contact)
(c) Coil rated voltage 6 : 3.....60 VDC
Coil rating table at page 3
(d) Contact rating H : 30A (applicable for D.P.
M : 25A
L : 20A
(e) Approvals U : UL, CSA, VDE rating acquired
Note: Actual marking omits hyphen (-) of (*)
1FTR-K1 SERIES
VF SERIES
Discontinued in March 2019
n SPECIFICATION
Item 30A type 25A type 20A type
VFD, VFP - ( ) H VF ( ) - ( ) M VF ( ) - ( ) L
Contact Configuration 1 form A (SPST-NO)
Data
Construction Single
Material Silver alloy (AgSnO ; AgSnOInO)
2
Resistance (initial) Max. 30m at 1A, 6VDC
Resistive 30A, 250VAC 25A, 250VAC 20A, 250VAC
Contact rating
Motor 2HP, 250VAC 1.5HP, 250VAC 1HP, 250VAC
Max. carrying current 30A 25A 20A
Max. switching voltage 250VAC
Max. switching power 7,500VA 6,250VA 5,000VA
Max. switching current 30A 25A 20A
Min. switching load * 1A, 10V
6
Life Mechanical Min. 5 x 10 operations
3
Resistive load Min. 100 x 10 operations
Electrical
3
(at contact rating)
Motor load Min. 200 x 10 operations
Coil Data Rated Power (at 20 C) 1,200 to 1,250mW
Operate Power (at 20 C) 590 to 620mW
Operating temperature range -30 to +65 C (no frost)
Timing Data Operate (at nominal voltage) Max. 20ms
Release (at nominal voltage) Max. 5ms (without diode)
Insulation Resistance (Initial) Min. 1,000M at 500VDC
Open contacts 1,200VAC (50/60Hz) 1min.
Dielectric strength
Coil and contacts 4,000VAC (50/60Hz) 1min.
Surge strength Coil and contacts 10.000V/ 1.2 x 50s standard wave
Other Misoperation 10 to 55Hz double amplitude 1.5mm
Vibration Resistance
Endurance 10 to 55Hz double amplitude 1.5mm
Misoperation Min. 200m/s (11 1ms)
Shock
Endurance Min. 1,000m/s (6 1ms)
Weight Approximately 55 g
Sealing Flux proof (RTII)
* 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 conditions
and expected reliability levels.
2