H3C CA-70A12 Manuale utente

Feature

特点 Description

说明

Security protection

具有保护功能 Provide overvoltage, short-circuit, overcurrent, and overtemperature protections.

具有输出过压保护、短路保护、限流保护、过温保护等功能

Support for

redundancy

configuration

支持冗余备份

Two power supplies can be connected in parallel to achieve 1+1 redundancy.

支持双电源模块并联工作，从而可以实现受电设备电源系统1+1备份

Hot swappable

支持热插拔

You can remove one of power supplies in 1+1 redundancy while the device is

operating. Before removing a power supply, first disconnect it from the external

power supply system.

在设备不断电的情况下，可先断开1+1冗余备份电源系统中某个电源模块与外置供电

系统的连接，然后直接对电源模块进行插拔操作

CA-70A12 is a DC-output power supply that supports both AC input and DC input. It provides a maximum

output of 70 W.

CA-70A12是一款提供直流输出的电源模块，既支持交流输入也支持直流输入。这款电源模块的最大输出功率

可达70W。

About the power supply

Power cord

retainer clip

电源线防脱卡勾

Power receptacle

电源模块输入插口

Captive screw

电源模块固定螺钉

Captive screw

电源模块固定螺钉

Handle

电源模块拉手

Protection

function

具体保护功能

Protection state

保护状态特征 Support for auto-recovery

恢复特性

Output overvoltage

protection

输出过压保护

The power supply is locked and stops

supplying power.

电源锁死，停止供电

不能自动恢复供电

Short-circuit

protection

短路保护

The power supply stops supplying power.

电源停止供电

Automatically restores power

supplying after the short circuit

condition is cleared.

消除短路后能自动恢复供电

Overcurrent

protection

限流保护

The power supply stops supplying power.

电源停止供电

Automatically restores power

supplying after the output current

decreases to an acceptable range.

降低电流后能自动恢复供电

Overtemperature

protection

过温保护

The power supply stops supplying power.

停止供电

Automatically restores power

supplying after the temperature

decreases to an acceptable range.

降温后自动恢复供电

Item 项目 Specifications 规格

AC input

交流输入

Rated voltage range

输入额定电压范围 100 VAC to 240 VAC @ 50 Hz or 60 Hz

Max voltage range

输入最大电压范围 90 VAC to 290 VAC @ 47 Hz to 63 Hz

Max input current

输入最大电流 2.5 A

HVDC input

高压直流输入

Rated voltage range

输入额定电压范围 240 VDC

Max voltage range

输入最大电压范围 180 VDC to 320 VDC

Max input current

输入最大电流 1A

Item 项目 Specifications 规格

Output voltage 输出电压 12 V

Max output current 最大输出电流 5.83 A

Max output power 最大输出功率 70 W

Dimensions (H × W × D)

外形尺寸（高×宽×深） 41.1 × 101.6 × 177 mm (1.62 × 4 × 6.97 in)

Weight 重量 0.6kg (1.32 lb)

Operating temperature 工作温度 –10°C to 55°C (14°F to 131°F)

Relative humidity 相对湿度 5% to 95%, noncondensing

5%～95%，无冷凝

Storage temperature 存储温度 -40°C to 70°C (–40°F to +158°F)

Preparing for installation

When installing and removing the power supply, wear an ESD wrist strap and make sure the wrist

strap makes good skin contact.

在安装和拆卸电源模块时请注意佩戴防静电腕带，并确保防静电腕带与皮肤良好接触。

Before installing the power supply, make sure the operating voltage of the external power supply

system is as required by the power supply, and the output voltage of the power supply is as

required by the powered device.

在安装电源模块前，请确认外置供电系统的工作电压同电源模块所标电压、电源模块输出电压同受

电设备所需电压是否相符，避免对电源模块和受电设备造成损坏。

To avoid bodily injury, do not touch any bare wire or terminal.

不要接触露出的任何导线、端子部分，以免对人体造成伤害。

Never place the power supply in a wet area and prevent fluid from flowing into the power supply.

请不要将电源模块放置在潮湿的地方，也不要让液体进入电源模块。

To avoid damages, do not open the power supply. When an internal circuit or component of the

power supply fails, contact H3C Support.

为了防止电源模块受损，请不要随意打开电源模块外壳，当电源模块内部线路或元器件出现故障时，

请移交维修人员进行检修。

Before installing or removing the power supply, make sure no power cord is connected to it.

安装和拆卸电源模块时，应确保电源模块上没有连接电源线。

Safety recommendations 安全注意事项

Installingthepower supply 电源模块的安装

Verify that the power supply is compatible with the device before installing it. For more information,

see the installation guide for the device.

安装前请检查电源模块型号与设备是否匹配，具体请参见各产品的安装指导。

To prevent damage to the power supply or the connector on the backplane of the powered device,

insert the power supply gently.

为了避免损坏电源模块或受电设备背板的连接器端子，在电源模块插入过程中动作要缓慢。

If you insert the power supply upside down, you will encounter a hard resistance because of the

special structure designs of the slot and power supply. You must pull out the power supply, orient

it correctly, and insert it again.

如果上下倒置，安装过程将受插槽和电源模块特意设计的结构限制，不能顺利进行，必须先拔出模

块，然后重新插入。

If the captive screw cannot be tightly fastened, examine the installation of the power supply.

固定螺钉时，如果发现螺钉不能拧紧，很可能是因为电源模块没有正确安装引起的，请仔细检查。

①Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.

佩戴防静电腕带，请确保防静电腕带与皮肤良好接触，并确认防静电腕带已经良好接地。

②Unpack the power supply and verify that the power supply model is correct.

从电源模块包装盒中取出电源模块，确认电源模块的型号与所需一致。

③Correctly orient the power supply. Grasping the power supply handle with one hand and supporting

the power supply bottom with the other, insert the power supply slowly into the slot along the guide

rails. See callout 1 in the following figure.

保证电源模块上下方向正确，用一只手握住电源模块上的拉手，另一只手托住电源模块底部，将电源

模块沿着电源插槽导轨水平插入，直到电源模块完全进入插槽，如下图①所示。

④Use a Phillips screwdriver to fasten the captive screws on the power supply to secure it in the chassis.

See callout 2 in the following figure.

用十字螺丝刀按顺时针方向拧紧电源模块两侧的固定螺钉，使电源模块固定在设备机箱中，如下图②

所示。

Removing the power supply filler panel 电源假面板拆卸

Before installing a power supply, remove the filler panel (if any) from the target power supply slot.

安装电源模块时，若待安装电源插槽装有电源假面板，请先拆卸假面板。

①Use a Phillips screwdriver to remove the screws on the filler panel, as shown by callout 1 in the

following figure. 使用十字螺丝刀逆时针方向拧松电源模块左右两侧的固定螺钉，直至固定螺钉完全与

设备脱离，如下图①所示。

②Insert a flat-head screwdriver into the holder on the filler panel and then pull the filler panel out of the

slot along the guide rails gently. See callout 2 in the following figure. 用一字螺丝刀插入假面板上的凸出

拉手，沿插槽导轨向外轻微用力拉出假面板，如下图②所示。

Make sure the power cord has a separate circuit breaker. 请保证电源线有独立的输入断路器。

Turn off the circuit breaker before connecting the power cord.连接电源线前，请将需要连接电源线的

输入端断路器置于断开状态。

The power cord in the following figure is for illustration only. The power cord for your country or

region might differ from this one. 不同国家或地区使用的电源线可能不同，如下图所示的电源线仅为

示意，具体请以设备实际情况为准。

Connecting the power cord 电源线的连接

4Removing the power supply 电源模块的拆卸

①Disconnect the power cord from the power supply and the external power supply system.

拆除电源线与电源模块和外置供电系统的连接。

②Face the front of the power supply.

操作者正对受电设备上要拆卸的电源模块。

③Use a Phillips screwdriver to loosen the captive screws on the power supply until the captive screws

are disengaged from the device. See callout 1 in the following figure.

用十字螺丝刀逆时针方向拧松电源模块左右两侧的固定螺钉，直至固定螺钉完全与受电设备脱离，如下

图①所示。

④Grasping the handle of the power supply with one hand, pull it part way out. Then supporting the power

supply bottom with the other hand, pull the power supply slowly out of the slot along the guide rails.

See callout 2 in the following figure.

用一只手握住电源模块上的拉手，将电源模块拉出来一部分，然后另一只手托住电源模块下方，将电源

模块沿着插槽导轨水平缓慢地拉出，如下图②所示。

⑤Put the removed power supply into an antistatic bag.

将拆卸下来的电源模块放到防静电袋中。

The information in this document is subject to change without notice.

本文档中的信息如有更改，恕不另行通知

如需了解产品及安装方面的更多信息，请登录H3C网站 www.h3c.com

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