BR-401LB
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Magnetic Contactor / Starter
Togami Electric Mfg. manufacturers standard electromagnetic contactor/starters, economical electromagnetic contactor/starters, DC-operated electromagnetic contactor/starters, and other types of electromagnetic contactor/starters.
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PCB Relay
Our extensive lineup includes PCB relays used for inrush current prevention circuits and pre-charge circuits.
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Motor Control Center
These are units for controlling the switching of equipment, including motors and pumps. They feature a compact design for cost-effectiveness and ease of use, allowing flexible custom designs combining the functions required to meet customer needs.
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Switchboard
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Explosion-Proof and Corrosion-Resistant Control Equipment
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Super Line Checker
This is ideal for checking lines following faults or during maintenance before electrical equipment expansion or modification work. It allows live power lines to be checked by a single operator.
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Recloser
Togami Electric Mfg. Co., Ltd. designs, manufactures, and supplies Automatic Circuit Reclosers (Fault Clear) for power distribution lines.
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Ring Main Unit (RMU)
We manufacture Ring Main Units (RMU) to connect, control, and protect different sections of a ring network.
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BR-401L
BR Series
This relay is ideal for inrush current prevention in inverter power circuits. It is compact and has a high capacity.
▼Contact rating for safety standardFeatures
Compact design, high capacity
Wide range of temperatures
Low temperature side up to -40 ℃
High temperature side up to ＋85 ℃
Specifications
Learn more
Model number BR-401LB BR-401L BR-301L Contact configuration 1a(NO) Contact resistance(Initial) MAX.100 mΩ(6 VDC,1 A, Voltage drop method) Contact material Silver alloy Rated operating voltage 480 VAC Limiting continuous current 45 A 40 A 30 A Contact rating
(Resistive load)250 VAC 440 VAC 480 VAC 250 VAC 440 VAC 480 VAC 250 VAC 440 VAC 480 VAC 40 A 28 A 25 A 40 A 28 A 25 A 30 A 21 A 19 A Rated breaking capacity(50 operations) 60 A 42 A 37.5 A 60 A 42 A 37.5 A 45 A 31.5 A 28.5 A Min. switching load 100 ｍA,5 VDC Electrical endurance 10×103 operations(Resistive load) Mechanical endurance 3×106operations(No load) Frequency of opening and closure No load 1,800 operations/ hour Resistive load 120 operations/ hour Operate voltage※1 Max. 95% of the rated coil voltage Max. 85% of the rated coil voltage Release voltage Min. 10% of the rated coil voltage Limiting voltage 110% of the rated coil voltage Operation time Max. 20 ms Release time Max. 10 ms Insulation resistance(Initial) Min. 1,000 MΩ Dielectric strength(Initial) Between open contacts：1,700 VAC for 1 minute Between coil and contact: 4,500 VAC for 1 minute Rated impulse withstand voltage
(Initial)Between open contacts：2,500 V(1.2×50 μs) Between coil and contact：6,000 V(1.2×50 μs) Protection RT Ⅱ Flux proof relay Insulation characteristics
(IEC 61810-1)Insulation distance：Clearance/ Creepage distance 5.5 mm/ 8.0 mm
Type of disconnection：Micro disconnection
Over voltage category：Ⅲ
Materials group：Ⅲa
Rated insulation voltage：500 V Rated insulation voltage：250 V
Between coil and contact：Basic insulation Between coil and contact：Reinforced insulation
Pollution degree：2 Pollution degree：3Shock resistance Malfunction Peak acceleration: 100 m/s2 Duration time: 11 ms Destruction Peak acceleration: 1,000 m/s2 Duration time: 6 ms Vibration resistance Malfunction Frequency range: 10 to 55 to 10Hz
Double amplitude: 1.5 mmDestruction Environmental conditions Avoid icing and condensation.
If left or used for a long period of time in sulfur gas or organic gas atmosphere, the contact surface may corrode and contact resistance may increase.
Do not use products dontaining silicon near relays.
Silicon oxide may form on the contact surface and cause contact failure.Ambient temperature -40 ℃ to 85 ℃ -40 ℃ to 65 ℃ Storage temperature -40 ℃ to 80 ℃ Ambient temperature and ambient humidity range
Storage temperature and storage humidity range
Altitude Max. 2,000 m Solder heat resistance Flow soldering Solder temperature 260±3 ℃ Solder dipping 5±0.5 s Hand soldering Soldering iron temperature Max.350 ℃ Solder dipping Max. 3 s Mounting direction No restriction Weight Approx. 26 g Packing Inner carton 100 pcs. Shipping unit 300 or 500 pcs.
※1 BR-401LB Thermal equilibrium: at 85 ℃, Contact carrying current 45 A
BR-401L Thermal equilibrium: at 65 ℃, Contact carrying current 40 A
BR-301L Thermal equilibrium: at 65 ℃, Contact carrying current 40 ACoil data
Rated coil voltage 6 VDC 12 VDC 24 VDC Rated current 150 mA 75 mA 46 mA Rated power consumption 0.9 W 0.9 W 1.1 W Coil resistance ※ ±10% 40 Ω 160 Ω 525 Ω
※ The rated current, the rated power consumption, and the coil resistance are measured at a coil temperature of 23 ℃.Dimensions
Contact ratings for safety standard
BR-401LB
Rating Electrical life Operating temperature UL 40 A,277 VAC(Resistive load)
25 A,480 VAC(Resistive load)10×103operations at 85 ℃ TUV 40 A,250 VAC(Resistive load)
28 A,440 VAC(Resistive load)
25 A,480 VAC(Resistive load)CQC 40 A,250 VAC(Resistive load)
28 A,440 VAC(Resistive load)
25 A,480 VAC(Resistive load)BR-401L
Rating Electrical life Operating temperature UL 40 A,277 VAC(Resistive load)
25 A,480 VAC(Resistive load)10×103operations at 65 ℃ TUV 40 A,250 VAC(Resistive load)
28 A,440 VAC(Resistive load)
25 A,480 VAC(Resistive load)CQC 40 A,250 VAC(Resistive load)
28 A,440 VAC(Resistive load)
25 A,480 VAC(Resistive load)BR-301L
Rating Electrical life Operating temperature UL 30 A,277 VAC(Resistive load)
19 A,480 VAC(Resistive load)10×103operations at 65 ℃ TUV 30 A,250 VAC(Resistive load)
21 A,440 VAC(Resistive load)
19 A,480 VAC(Resistive load)CQC 30 A,250 VAC(Resistive load)
21 A,440 VAC(Resistive load)
19 A,480 VAC(Resistive load)Product category
