Datasheet > RSI-1000-100

RSI-1000-100

更新时间： 2022-09-29 19:44:42

品牌	Logo	应用领域
RIEDON		/
页数	文件大小	规格书
3页	452K
描述
RES CHAS MNT 100 UOHM 0.25%

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RSI-1000-100 数据手册

RSI Series

DC Ammeter Shunts / Busbar Shunts

300 Amp - 1,200 Amp

TECHNICAL NOTES

Mounting: Shunts should be mounted with manganin resistive blades in a vertical position in order to

promote the free convectional ﬂow of air. If vertical mounting is not practical, forced air cooling or adding

heat sinks to the blocks can reduce the operating temperature. The manganin blades must never exceed

+145°C, otherwise permanent resistance change may occur.

When current of 100A or greater is passing through the shunt, the major portion of heat generated is dis-

sipated by conduction through the shunt terminal blocks into the connecting buss bar or cable. Therefore

it is necessary to insure that good contact is made between the shunt terminal blocks and the conductor

terminals and that the conductors have adequate cross section to keep the temperature of the shunt from

exceeding 145°C ( 125°C recommended ).

If the shunt is mounted in an enclosure, care must be taken to ensure adequate cooling. If the power density

is greater than 1/4 watt per square inch of the enclosure surface for all enclosed devices, additional cooling

must be supplied in the form of air vents or fans.

Shunts also must be installed in a way that protects them from thermal expansion forces produced from

buss bar or short-circuit forces. Flexible wiring may be required in high pulse current, high vibration, or high

temperature applications.

Where possible, all shunts should be mounted on the ground side of the circuit. For circuits above 750VDC,

RS shunts must be mounted on the ground side due to the dielectric strength of the shunt base.

Operating Current Derating: For continuous operation, it is recommended that shunts are not run at more

than two thirds (2/3) the rated current under normal conditions per IEEE standards for DC instrument shunts.

At ambient temperatures above 40°C, the current must be further derated to prevent damage.

Pulse Operation: Shunts that do not need continuous operation and are only exposed to intermittent pulses

can be operated at levels above their rated current for short periods of times. Pulses are limited to the

maximum temperature of the blades not exceeding 145°C ( 125°C recommended ). Many variables such as

ambient temperature, cross section of the current carrying conductors, and pulse duration make calculating

exact values diﬃcult. Shunt size will need to be validated by customer for pulse current and duty cycle on a

case by case basis.

Riedon Inc.

300 Cypress Avenue

Alhambra CA 91801

(626) 284-9901

(626) 284-1704

Revised: 201803_002

www.riedon.com

sales@riedon.com

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与RSI-1000-100相关器件

型号	品牌	获取价格	描述	数据表
RSI-1000-50	RIEDON	获取价格	RES CHAS MNT 50 UOHM 0.25%
RSI-1200-100	RIEDON	获取价格	RES CHAS MNT 83 UOHM 0.25%
RSI-1200-50	RIEDON	获取价格	RES CHAS MNT 42 UOHM 0.25%
RSI-300-100	RIEDON	获取价格	RES CHAS MNT 333 UOHM 0.25%
RSI-300-50	RIEDON	获取价格	RES CHAS MNT 167 UOHM 0.25%
RSI-400-100	RIEDON	获取价格	RES CHAS MNT 250 UOHM 0.25%
RSI-400-50	RIEDON	获取价格	RES CHAS MNT 125 UOHM 0.25%
RSI-500-100	RIEDON	获取价格	RES CHAS MNT 200 UOHM 0.25%
RSI-500-50	RIEDON	获取价格	RES CHAS MNT 100 UOHM 0.25%
RSI-600-100	RIEDON	获取价格	RES CHAS MNT 167 UOHM 0.25%

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