Datasheet

ISO9001、ISO14001 Certification Enterprises
Patent: ZL 2010 2 0625647.0
Contact Rating
 Nominal Load(Resistive Load Cosφ=1)
Contact Capacity
BT91-D.……………..……………20A/10A at 250VAC
BT91-DM/DB…………………..……….30A at 250VAC
 Max. Allowable Current
BT91-D….……..……..……………………….………20A
BT91-DM/DB…………………………………...…….30A
 Max. Allowable Voltage
BT91-D/DM/DB..………………………………..AC250V
 Max. Allowable Power Force
BT91-D....……....…………………….…………5,000VA
BT91-DM/DB………………………………….7,500VA
 Contact Material……………………………….. Ag Alloy
 Contact Form………………………….. …SPDT&SPST
Performance (at Initial Value)
 Contact Resistance………….…≤50mΩ at 6VDC/1A
 Operate Time……………………….………..10ms. Max
 Release Time……………………………..….. 5ms. Max
 Dielectric Strength:
Between Coil & Contact…….....2,500VAC at 50/60 Hz
for one minute
Between Contacts……………...1,500VAC at 50/60 Hz
for one minute
 Surge Resistance…………...…10,000V (between Coil
& Contact
1.2x50 μs)
Main Feature
1. Small size (32.2x27x28 in mm) produces a switching
capacity up to 30A for high density P.C.Board mounting
technique.
2. The contact form construction is 1A/1B/1C
3. The Surge Resistance of BT91 series is 10,000V
4. Sealing Construction (Free from dust and solder flux):
BT91-SS:
Plastic Sealed Type.
5. The selection of plastic insulation material is designed
for high temperature and provides better chemical
solution performance.
6. RoHS Compliant.
Application
Air Conditioning, Fridge, Washing Machine, etc Household
Appliances
 Insulation Resistance………...…1,000 MegaΩMin. at
500VDC
 Max. On/Off Switching:
Electrical……………………...……30 Ops per minute
Mechanical…………………………300 Ops per minute
 Temperature Range……………………….. –40~85℃
 Humidity Range……………………………5%~85% RH
 Coil Temperature Rise……………... 35℃ Maximum
 Vibration:
Endurance……………………………..10 to 55 Hz dual
amplitude width 1.5mm
Error Operation………………………..10 to 55 Hz dual
amplitude width 1.5mm
 Shock:
Endurance………………………………… 981m/s
2
Min
Error Operation………………...………… 98.1m/s
2
Min
 Life Expectancy:
Electrical………………………………10
5
Operations at
Rated Resistive
load
Mechanical……………………………10
7
Operations at
No load condition
 Weight………………………………………….about 32g
Safety Standard ＆ Its File Number
 UL………………………………………….……E333244
 CQC…………………………………CQC11002061851