Abb Switch OT40G1-4BSN2 40A 4 Poles IEC frame G1

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ABB OT40G1-4BSN2 6417019931340

The ABB OT40G1-4BSN2 40A 4-pole disconnector (frame G1) is a compact OT Plus switch-disconnector for DIN rail or base, ideal for safely isolating lines and loads. Fourth pole switched late-break/early-make, Ui 800 V and Uimp 8 kV, lockable front control.

  • 40 A (Ith/Ithe) with 4 poles for complete line isolation

  • 4th pole switched on the right: late-break / early-make (simultaneous function)

  • Utilization category: AC-21A/AC-22A 40A and AC-23A 40A@415V / 25A@690V

  • Installation on base or DIN rail, front control, lockable provision

  • High reliability: 100,000 mechanical operations, IP20 front, pollution degree 3

  • Integrated screw terminals: quick wiring with Pozidriv 2 screwdriver.

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Abb Switch OT40G1-4BSN2 40A 4 Poles IEC frame G1
€19.56
€19.56

€19.56
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€19.56

Buy it within and receive it from Friday, 13 March
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ABB OT40G1-4BSN2: professional disconnection for LV panels

The ABB OT40G1-4BSN2 disconnector from the OT Plus series is designed to create tidy and safe panels, offering a clear and reliable disconnection up to 40 A. The 4P configuration is ideal for three-phase networks with neutral or for systems where you want to interrupt all conductors simultaneously, improving safety during maintenance phases and reducing the risks of returns or residual power supplies.

Thanks to mounting on base or DIN rail, it adapts to multiple scenarios: distribution boards, auxiliary lines, disconnection of dedicated utilities, and small industrial installations.

Switched fourth pole: correct sequence in operations

The device features the fourth pole on the right side, of the switched type with late-break / early-make function. In practice, the switched pole (often the neutral) opens last and closes first, improving the management of the disconnection sequence and reducing possible transient conditions during the opening/closing of the circuit. It is a useful feature especially in panels where the correct operation of the neutral is important for reliability and safety.

Electrical performance: AC-23A for loads in operation

The disconnector is suitable for the main categories of use, making it usable for both lines and loads:

  • AC-21A: 40 A @ 415/690 V

  • AC-22A: 40 A @ 415/690 V

  • AC-23A: 40 A @ 415 V and 25 A @ 690 V

  • AC-23A power: 18.5 kW (415 V) and 22 kW (690 V)

Additionally, it offers good holding parameters:

  • Ui 800 V (IEC 60947-1)

  • Uimp 8 kV

Orderly wiring and simple maintenance

The integrated screw terminals and the position of the line terminals (from Top to Bottom) make wiring intuitive. The indicated tightening torque (1 N·m) and the stripping length (910 mm) help achieve correct and repeatable connections. The operating mechanism on the top and the front control allow quick operations even in compact panels.

Operational safety: lockable and long-lasting

The provision for a padlock allows locking in position, useful in maintenance procedures and to prevent accidental reactivations. The mechanical durability of 100,000 operations confirms a reliable construction, also suitable for installations with frequent operations. The dissipation remains contained with 1.0 W per pole under nominal conditions, an important data for high-density panels

TECHNICAL DATA
Main circuit connection capacity Flexible with ferrule 1/2x Cu 0.75…4 mm²
Solid 1/2x Cu 0.75…6 mm²
Flexible 1x Cu 1.5…16 mm²
Flexible 2x Cu 1.5…6 mm²
Flexible cable 1x Cu 1.5…16 mm²
Strands 2x Cu 1.5…6 mm²
Conventional free air thermal current (Ith) 40 A
Conventional thermal current (Ithe) 40 A
Protection degree IP20 (front)
Fourth pole position Right side
Type of fourth pole Switched – Simultaneous function (Late-break / Early-make)
Handle colour Black
Handle length 28.5 mm
Handle type Knob handle (external handle and shaft not included)
Lock type Lockable
Maximum number of auxiliary contacts 4 NO + 4 NC
Mechanical durability 100,000 operations
Mounting type Base / DIN rail
Number of poles 4P
Operating mode Front
Pollution degree 3
Line terminal position Top → Bottom / Bottom → Top
Power loss per pole 1.0 W (nominal conditions)
Impulse withstand voltage (Uimp) 8 kV
Rated insulation voltage (Ui) 800 V (IEC 60947-1)
Rated current AC-21A (Ie) 40 A @ 415 V / 690 V
Rated current AC-22A (Ie) 40 A @ 415 V / 690 V
Rated current AC-23A (Ie) 40 A @ 415 V / 25 A @ 690 V
Rated power AC-23A (Pe) 18.5 kW @ 415 V / 22 kW @ 690 V
Rated operational voltage of main circuit 800 V
Short-circuit making capacity (Icm) 1.76 kA @ 690 V
Short-time withstand current (Icw) 0.8 kA (1 s) / 1.25 kA (0.2 s)
Recommended screwdriver Pozidriv 2
Control Mechanism on the top of the switch
Type of terminals Screw terminals
Tightening torque 1 N·m (IEC 60947-1)
Stripping length 9–10 mm (0.35–0.39")
DIMENSIONS
Width 46 mm
Height 68 mm
Depth 62 mm
Net weight 0.145 kg

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Data sheet

Voltage:
690V
Poles:
4P
Degree of protection:
IP20
Model:
OT Plus
Amps:
40A
Circuit Protections:
Disconnectors
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