We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

MERSEN Surge Protection Device: Single Phase, 120/240V AC, 2 Poles, 3 Wires, L-L/L-N - DIN Rail Internal-Mount SPDs
MERSENDIN Rail Internal-Mount SPDs

MERSEN Surge Protection Device: Single Phase, 120/240V AC, 2 Poles, 3 Wires, L-L/L-N

The MERSEN STP240S07 is a single-phase, DIN-rail mount surge protection device (SPD) with a 120/240V AC rating, 3 wires, and L-N protection modes. It features a 200kA short circuit current rating, a 600V (L-N)…

SKU 3G-OTH-23032

Brand
MERSEN
Item
Surge Protection Device: Single Phase, 120/240V AC, 2 Poles, 3 Wires, L-L/L-N
Category
DIN Rail Internal-Mount SPDs
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

MERSEN
Manufacturer Part Number
STP240S07
Type
L-L/L-N
AC
120/240V
Poles
2
Wires
3
Voltage
120/240V AC
Filtering
No
Mounting Style
DIN-Rail
Number of Wires
3 Wires
Enclosure Material
Polyethylene Terephthalate
Modes of Protection
L-N
Voltage Protection Rating
600V (L-N)
Short Circuit Current Rating
200kA
Max. Continuing Operating Voltage
175/350 V AC

Technical Documents

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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN STP240S07 is a single-phase, DIN-rail mount surge protection device (SPD) with a 120/240V AC rating, 3 wires, and L-N protection modes. It features a 200kA short circuit current rating, a 600V (L-N) voltage protection rating, and a max. continuing operating voltage of 175/350 V AC. The enclosure is made of polyethylene terephthalate, and the unit has no filtering.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the MERSEN STP240S07 surge protection device used for?

The MERSEN STP240S07 is a single-phase DIN-rail mount SPD that protects electrical equipment from transient overvoltages. It is used in industrial control panels, HVAC systems, and machinery where 120/240V AC, 3-wire L-N protection is required, with a 200kA short circuit current rating.

What are the specifications of the MERSEN STP240S07?

The MERSEN STP240S07 is rated 120/240V AC, 2 poles, 3 wires, with L-N protection modes. It has a max. continuing operating voltage of 175/350 V AC, a voltage protection rating of 600V (L-N), and a short circuit current rating of 200kA. The enclosure is polyethylene terephthalate, with no filtering.

Where to buy the MERSEN STP240S07 worldwide?

3G Electric supplies the MERSEN STP240S07 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this DIN-rail mount SPD.

How to install the MERSEN STP240S07?

Install the MERSEN STP240S07 on a standard DIN rail inside an electrical panel. Ensure the supply is disconnected, then connect the L and N conductors per the wiring diagram. The unit is for L-N protection only; verify the 120/240V AC system voltage and 200kA SCCR compatibility before energizing.

Used in

Common applications for MERSEN
Power electronics protection — MERSEN A70Q series semiconductor fuses in variable frequency drives for motor control.
Surge protection for industrial panels — MERSEN STP480D07 SPDs in three-phase 480V AC distribution boards.
Control circuit overcurrent protection — MERSEN ATM series midget fuses in PLC and instrumentation cabinets.
Power distribution in manufacturing — MERSEN FSPDB4A finger-safe blocks in motor control centers for wire management.
DC bus protection in renewable energy — MERSEN A30QS series fuses in solar inverter DC inputs.
High-voltage semiconductor protection — MERSEN A70Q series fuses in welding equipment power supplies.

MERSEN Products

3G Electric supplies MERSEN 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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Cross-referenced by specification & description
MERSEN Surge Protection Device: Single Phase, 120/240V AC, 2 Poles, 3 Wires, L-L/L-N, 175/350 V AC (MPN STP240S07M)
MERSEN
MERSEN Surge Protection Device: Single Phase, 120/240V AC, 2 Poles, 3 Wires, L-L/L-N, 175/350 V AC (MPN STP240S07M)
MERSEN Surge Protection Device: Single Phase, 240/480V AC, 2 Poles, 3 Wires, L-L/L-N, 275/550 V AC (MPN STP480S07)
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MERSEN Surge Protection Device: Single Phase, 240/480V AC, 2 Poles, 3 Wires, L-L/L-N, 275/550 V AC (MPN STP480S07)
MERSEN Surge Protection Device: Single Phase, 277V AC, 1 Poles, 2 Wires, L-N, 320 V AC, 600V (L-N) (MPN STP277P07)
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MERSEN Surge Protection Device: Single Phase, 277V AC, 1 Poles, 2 Wires, L-N, 320 V AC, 600V (L-N) (MPN STP277P07)
MERSEN Surge Protection Device: Three Phase, 120/208V AC Wye, 3 Poles, 4 Wires, L-L/L-N, 200kA (MPN STP208Y07)
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MERSEN Surge Protection Device: Three Phase, 120/208V AC Wye, 3 Poles, 4 Wires, L-L/L-N, 200kA (MPN STP208Y07)
MERSEN Surge Protection Device: Three Phase, 120/208V AC Wye, 4 Poles, 5 Wires, L-G/L-L/L-N/N-G (MPN STP208YN07)
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MERSEN Surge Protection Device: Three Phase, 120/208V AC Wye, 4 Poles, 5 Wires, L-G/L-L/L-N/N-G (MPN STP208YN07)

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MERSEN Surge Protection Device: Single Phase, 120V AC, 1 Poles, 2 Wires, L-N, 175 V AC, 600V (L-N) (MPN STP120P07M)
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MERSEN Surge Protection Device: Three Phase, 347/600V AC Wye, 4 Poles, 5 Wires, L-G/L-L/L-N/N-G (MPN STP600YN07)
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MERSEN Surge Protection Device: Three Phase, 347/600V AC Wye, 3 Poles, 4 Wires, L-L/L-N, 200kA (MPN STP600Y07)
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MERSEN Surge Protection Device: Three Phase, 347/600V AC Wye, 3 Poles, 4 Wires, L-L/L-N, 200kA (MPN STP600Y07)
MERSEN Surge Protection Device: Three Phase, 240V AC Delta, 3 Poles, 4 Wires, L-G/L-L, 275/550 V AC (MPN STP240D07)
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MERSEN Surge Protection Device: Three Phase, 240V AC Delta, 3 Poles, 4 Wires, L-G/L-L, 275/550 V AC (MPN STP240D07)
MERSEN Surge Protection Device: Single Phase, 277V AC, 1 Poles, 2 Wires, L-N, 320 V AC, 600V (L-N) (MPN STP277P07M)
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