FTR-B4 Series
n SPECIFICATIONS
Standard Type
FTR-B4-CA ( ) Z
FTR-B4-GA ( ) Z
FTR-B4-SA ( ) Z
Contact
Arrangement
Contact material
Contact type
Contact resistance (initial value)
Contact rating
Maximum carrying current
Maximum switching power
Maximum switching voltage
Maximum switching current
Maximum switching load*
Capacitance
2Form C
Gold overlay silver alloy
Bifurcated contact (cross-bar)
100mΩ maximum at 6VDC 1
30 VDC 1A, 125 VAC 0.3 A (resistive)
1A
62.5 VA / 30W
250 VAC. 220 VDC
1A
10m VDC, 0.01mA*
Approximately 0.7 pF (between open contacts)
Approximately 0.7 pF (adjacent contacts)
Approximately 1.0 pF (between coil and contacts)
140 mW up to 230 mW
80 mW up to 130 mW
-40°C to +85°C
3ms maximum (set)
3ms maximum (reset)
100 mW up to 130 mW
57 mW up to 68 mW
Latching Type
FTR-B4-CB ( ) Z
FTR-B4-GB ( ) Z
FTR-B4-SB ( ) Z
Coil
Nominal power (at 20°C)
Operate power (at 20°C)
Operating temperature (no frost)
Time value
Insulation
Operate (at nominal voltage, without bounce) 3ms maximum
Release (at nominal voltage, without bounce) 3ms maximum
Resistance
Dielectric
strength
Surge
strength
between open contacts
between adjacent contacts
between coil and contacts
between open contacts
between adjacent contacts
between coil and contacts
Minimum 1,000MΩ
1,000 VAC 1 minute
1,000 VAC 1 minute
1,500 VAC 1 minute
1,500 V (at 10 x 160µs) [FCC Part 68]
1,500 V (at 10 x 160µs) [FCC Part 68]
1,500 V (at 10 x 160µs) [FCC Part 68]
2,500 V (at 2 x 10µs) [Bellcore]
50 x 10
6
operations (at 3 Hz)
100 x 10
3
ops. min. at 1A, 30 VDC (at 0.5 Hz)
3
100 x 10
ops. min. at 0.3A, 30 VDC (at 0.5 Hz)
10 to 55 Hz at double amplitude of 3 mm
10 to 55 Hz at double amplitude of 5 mm
Min. 750 m/s
2
Min. 1,000 m/s
2
Approximately 1.0 g
Life
Mechanical
Electrical (resistive load)
Vibration
resistance
Shock
resistance
Weight
Misoperation
Endurance
Misoperation
Endurance
*1 Minimum switching loads mentioned above are reference values. Please perform the confirmation test with
the actual load before production since reference values may vary according to switching frequencies, envir
onmental conditions and expected reliability levels.
3
FUJITSU [ FUJITSU COMPONENT LIMITED. ]
