EatonPKZM0-6,3Motor Protective Circuit Breaker — 3-Pole, 4-6.3 A Adjustable Overload, 2.2 kW at 400 V, 150 kA at 400 V, Class 10, DIN Rail

Product Description

What this part is

The Eaton PKZM0-6,3 (catalog number 072738) is a Moeller series PKZM0 three-pole motor-protective circuit breaker with an adjustable 4 to 6.3 A overload release and screw terminals. Brand: Eaton. MPN: PKZM0-6,3. Catalog Number: 072738. Rated Operational Current (Ie): 6.3 A. Overload Release Setting: 4–6.3 A. Rated Operational Power AC-3e at 400 V: 2.2 kW. Number of Poles: 3. Degree of Protection: IP20. GTIN: 4015080727385.

Decoding the designation

PKZM0 — Eaton Moeller PKZM0 motor-protective circuit breaker frame.

6,3 — maximum overload release setting, 6.3 A.

What these specs mean in practice

Rated Operational Voltage (Ue): 690 V. Rated Frequency: 50/60 Hz. Rated Operational Power AC-3e: 1.1 kW at 230 V, 2.2 kW at 400 V, 3 kW at 440 V and 500 V, 4 kW at 690 V. Assigned Motor Power (UL/CSA): 0.25 HP at 115/120 V 1-phase, 0.5 HP at 230/240 V 1-phase, 1 HP at 200/208 V 3-phase, 1.5 HP at 230/240 V 3-phase, 3 HP at 460/480 V 3-phase, 5 HP at 575/600 V 3-phase. Tripping Class: 10 A. Short-Circuit Release: fixed 15.5 x Iu, 97.7 A. Rated Short-Circuit Breaking Capacity Icu: 150 kA at 400 V, 150 kA at 440 V, 42 kA at 500 V, 3 kA at 690 V. Phase-failure sensitive. Actuator: turn button. Lifespan: 100,000 operations electrical and mechanical.

Mounting data

Mounting: snaps onto IEC/EN 60715 top-hat rail, 7.5 or 15 mm. Dimensions (W x H x D): 45 x 93 x 76 mm. Item Weight: 0.29 kg. Terminal Capacity: 1 or 2 x 1–6 mm², AWG 18–10. Ambient Operating Temperature: −25 to 55 °C. Approvals: UL 60947-4-1 (File E36332), CSA-C22.2 No. 60947-4-1-14, IEC/EN 60947-4-1, CE.

Interchange guidance

Same PKZM0 frame accessories apply, including the U-PKZ0 undervoltage release, BK25/3-PKZ0 extension terminal and CI-K insulated enclosures for PKZ0. MPN Variants: PKZM0-6,3, PKZM0-6.3, PKZM0 6,3, PKZM 0-6.3, 072738.

Frequently asked questions

What is the Eaton PKZM0-6,3?

It is a Moeller series PKZM0 three-pole motor-protective circuit breaker, catalog number 072738, with a 4–6.3 A adjustable overload release.

What motor size does it protect?

Rated operational power AC-3e is 2.2 kW at 400 V. UL/CSA assigned motor power is 3 HP at 460/480 V 3-phase and 1.5 HP at 230/240 V 3-phase.

What is its short-circuit breaking capacity?

Rated short-circuit breaking capacity Icu is 150 kA at 400 V and 440 V, 42 kA at 500 V and 3 kA at 690 V.