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Schneider Electric C16B4TM080 — Miniature Circuit Breakers (MCB)

Schneider Electric C16B4TM080 ComPacT NSX160B MCCB, 80 A, 25

MPNC16B4TM080
Active

Schneider Electric ComPacT NSX160B, C16B4TM080, 4P MCCB, 80 A TM-D trip, 25 kA Icu at 415 V AC, IP40, backplate mount.

Schneider Electric C16B4TM080 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

C16B4TM080 — Identification
ParameterValue
Product nameComPacT NSX
Product rangeComPacT
Product/component typeCircuit breaker
Device applicationDistribution
C16B4TM080 — Ratings
ParameterValue
Rated current (In)80 A at 40 °C
Poles configuration4P
Breaking capacity40 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 25 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 20 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 15 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2
Rated service breaking capacity (Ics)40 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 25 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 20 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 15 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2
Rated operational voltage (Ue)690 V AC 50/60 Hz
Rated insulation voltage (Ui)800 V AC 50/60 Hz
Rated impulse withstand voltage (Uimp)8 kV
Network type (AC/DC)AC
Network frequency50/60 Hz
Utilisation categoryCategory A
Overvoltage categoryIII
C16B4TM080 — Protection
ParameterValue
Trip unit technologyThermal-magnetic
Earth-leakage protectionWithout
Suitability for isolationYes conforming to EN/IEC 60947-2
Electrical durability (cycles)40000 cycles at 440 V In/2 20000 cycles at 440 V In 15000 cycles at 690 V In/2 7500 cycles at 690 V In
Mechanical durability (cycles)40000 cycles
C16B4TM080 — Mechanical
ParameterValue
Mounting supportBackplate
Control typeToggle
C16B4TM080 — Environmental
ParameterValue
Operating ambient temperature-25...70 °C
Storage ambient temperature-50...85 °C
IP degree of protectionIP40 conforming to IEC 60529
Pollution degree3 conforming to IEC 60664-1
Relative humidity0...95 %
C16B4TM080 — Approvals
ParameterValue
StandardsEN/IEC 60947-2
C16B4TM080 — Specifications
ParameterValue
[Ir] long-time protection pick-up adjustment range0.7...1 x In
Trip unit protection functionsLI

Product details

At 440 V AC the Icu drops to 20 kA, and at 500 V AC to 15 kA — so for a 480 V line (common in North American 480Y/277 V systems) the available fault current must be verified against the 15 kA limit. The breaker is Category A (no intentional short-time delay), which simplifies coordination with downstream devices but limits selectivity with upstream breakers in high-fault scenarios.

The thermal element tracks RMS heating for overloads; the magnetic element picks up instantaneous short-circuits.

The 140 mm width and 161 mm height fit standard ComPacT NSX panel cutouts. IP40 enclosure protection (no ingress of tools or small wires) and IK07 impact resistance are adequate for indoor switchboards and distribution boards.

Frequently asked questions

What is the breaking capacity of C16B4TM080 at 415 V?

The C16B4TM080 has a 25 kA Icu breaking capacity at 380/415 V AC 50/60 Hz per IEC 60947-2.

What standards does C16B4TM080 comply with?

The C16B4TM080 complies with EN/IEC 60947-2 and is suitable for isolation per that standard.

Where can I buy C16B4TM080?

The C16B4TM080 is sourced and quoted to order against an RFQ through independent distribution; availability and current pricing are confirmed at quote time.

MPN
C16B4TM080