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SCHNEIDER Surge Arrester: Two Phase, 120/240V AC, 2 Poles, 3 Wires, L-N - DIN Rail Internal-Mount SPDs
SCHNEIDERDIN Rail Internal-Mount SPDs

SCHNEIDER Surge Arrester: Two Phase, 120/240V AC, 2 Poles, 3 Wires, L-N

The SCHNEIDER ELECTRIC Surge Arrester (MPN M9L12240) is a two-phase DIN Rail internal-mount SPD designed for 120/240V AC systems. It features 3-wire configuration with L-N protection modes, a voltage protection…

SKU 3G-OTH-22551

Brand
SCHNEIDER
Item
Surge Arrester: Two Phase, 120/240V AC, 2 Poles, 3 Wires, L-N
Category
DIN Rail Internal-Mount SPDs
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Technical Specifications

SCHNEIDER
Manufacturer Part Number
M9L12240
Type
L-N, 200 kA
AC
120/240V
Phase
Two
Poles
2
Wires
3
Voltage
120/240V AC
Mounting Style
DIN-Rail
Number of Wires
3 Wires
Modes of Protection
L-N
Voltage Protection Rating
1200V (L-L)
Short Circuit Current Rating
200 kA
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SCHNEIDER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SCHNEIDER ELECTRIC Surge Arrester (MPN M9L12240) is a two-phase DIN Rail internal-mount SPD designed for 120/240V AC systems. It features 3-wire configuration with L-N protection modes, a voltage protection rating of 1200V (L-L), and a short circuit current rating of 200 kA.

Frequently Asked Questions

What is the SCHNEIDER ELECTRIC Surge Arrester M9L12240 used for?

The SCHNEIDER ELECTRIC Surge Arrester M9L12240 protects two-phase 120/240V AC electrical systems from transient overvoltages. It is commonly installed on DIN rails in commercial or industrial distribution panels to safeguard sensitive equipment against lightning strikes or switching surges, using L-N protection modes.

What are the specifications of the SCHNEIDER ELECTRIC Surge Arrester M9L12240?

The SCHNEIDER ELECTRIC Surge Arrester M9L12240 is rated for 120/240V AC, two-phase, 3-wire systems. It offers L-N protection modes, a voltage protection rating of 1200V (L-L), and a short circuit current rating of 200 kA. It mounts on a DIN rail and has 2 poles.

Where to buy the SCHNEIDER ELECTRIC Surge Arrester M9L12240 worldwide?

You can source the SCHNEIDER ELECTRIC Surge Arrester M9L12240 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install a DIN Rail surge arrester like the SCHNEIDER M9L12240?

To install a DIN Rail surge arrester such as the SCHNEIDER M9L12240, first disconnect power. Mount the unit securely on a standard DIN rail. Connect line, neutral, and ground wires per the wiring diagram, ensuring proper torque on terminals. Verify the system voltage matches the device rating before re-energizing.

Used in

Common applications for SCHNEIDER
Motor starting in conveyor systems — Schneider Altistart ATS 22 soft starters (e.g., ATS22D17S6U) reduce inrush current.
Speed control for industrial pumps — Schneider Altivar ATV320 VFDs (e.g., ATV320U55N4W) provide variable flow regulation.
Machine safety interlocking — Schneider XPSUAF13AP safety relays monitor emergency stop circuits on assembly lines.
Panel-mounted control stations — Schneider XB5 flush push buttons (ZB5AA5) serve as start/stop operators in MCCs.
Heavy-duty motor switching — Schneider LC1G150LSEA contactors handle 150 A loads in compressor and crusher applications.
Emergency stop actuation — Schneider 9001K mushroom-head push buttons (9001KR25R) provide red, momentary stop functions.

SCHNEIDER Products

3G Electric supplies SCHNEIDER din rail internal-mount spds. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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