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Arista

Arista PWR-1021-AC-RED | 720XP 1050W AC Power Supply, Front-to-Rear Airflow

PWR-1021-AC-RED

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Description

The PWR-1021-AC-RED is a 1050W AC power supply for Arista 720XP and 722XPM campus PoE switches in the Cognitive Campus range. It suits campus access and aggregation deployments where a spare or upgrade PSU is needed to add PoE budget and power redundancy for wired and wireless access points, IoT devices and appliances.

The module accepts 100-240V AC input at 50-60Hz (12 to 5A) through an IEC-320-C16 inlet and is rated 80 Plus Platinum for reduced energy loss. It is the red-labelled, front-to-rear airflow variant, matched with FAN-7000-F fan modules. It is hot-swappable and field-replaceable, and supports N+1 redundant configurations. With dual 1050W AC supplies, the 720XP-48ZC2 and 720XP-24ZY4 provide a typical PoE budget of 1802W, and the 720XP-48TXH-2C-S provides 1775W.

It is compatible with the CCS-720XP series, including the 720XP-24ZY4, 720XP-48ZC2, 720XP-96ZC2, 720XP-48TXH-2C-S and 720XP-48Y6/24Y6, as well as 1RU CCS-722XPM switches such as the 722XPM-48ZY8. Use a C15-terminated power cord with the C16 inlet.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Hot-swappable, field-replaceable power supply
- Supports N+1 redundant power supply configurations on 720XP switches
- 80 Plus Platinum efficiency for reduced energy loss
- Front-to-rear airflow, matched with FAN-7000-F fan modules
- Supplies PoE budget for 802.3af/at/bt devices on 720XP and 722XPM switches
- Default PSU on 720XP-96ZC2 (x2), 720XP-48ZC2, 720XP-48TXH-2C-S (x2) and 1G platforms such as the 720XP-48Y6

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Part number: PWR-1021-AC-RED
- Output power: 1050W
- Input voltage: 100-240V AC
- Input current: 12 to 5A
- Input frequency: 50-60Hz
- Input connector: IEC-320-C16
- Efficiency: 80 Plus Platinum
- Airflow direction: Front-to-rear (red)
- Matched fan module: FAN-7000-F (front-to-rear airflow)
- Rear-to-front fan option: FAN-7000-R
- PoE budget with dual 1050W AC PSUs, 720XP-48ZC2 / 720XP-24ZY4: 1802W typical, 1787W minimum
- PoE budget with dual 1050W AC PSUs, 720XP-96ZC2: 1727W typical, 1707W minimum
- PoE budget with four 1050W AC PSUs, 720XP-96ZC2: 3512W typical, 3492W minimum
- PoE budget with dual 1050W AC PSUs, 720XP-48TXH-2C-S: 1775W typical, 1744W minimum
- Switch operating temperature (720XP system): 0 to 40 C
- Switch storage temperature (720XP system): -40 to 70 C
- Switch relative humidity (720XP system): 5 to 90%
- Switch operating altitude (720XP system): 0 to 3,000 m

FAQs

Q: Does this power supply need a licence or subscription?
A: No. The power supply itself requires no licence or subscription.

Q: What power cord does it need?
A: It has an IEC-320-C16 input, so it needs a power cord terminated with a C15 connector that complies with IEC-320. It accepts 100-240V AC at 50-60Hz.

Q: Which Arista switches is it compatible with?
A: It is used in the CCS-720XP series, including the 720XP-24ZY4, 720XP-48ZC2, 720XP-96ZC2, 720XP-48TXH-2C-S and 720XP-48Y6/24Y6, and in 1RU CCS-722XPM switches such as the 722XPM-48ZY8.

Q: Which fan module should I pair it with?
A: The front-to-rear airflow (red) PWR-1021-AC-RED pairs with the FAN-7000-F fan module. FAN-7000-R is the rear-to-front option and is not matched to this PSU.

Q: What PoE budget do two of these supplies provide?
A: Two 1050W AC PSUs give a typical PoE budget of 1802W on the 720XP-48ZC2 and 720XP-24ZY4, 1727W on the 720XP-96ZC2 and 1775W on the 720XP-48TXH-2C-S. Four PSUs on the 720XP-96ZC2 raise this to 3512W typical.

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