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德国Limitor GmbH温度保护开关热保护器 P系列 40-150°C 4A (P82)

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产品简介

功能特点BimetallicswitchPAreaofApplicationThetemperaturedetectorPisusedwhereverprotectionagainstovertemperaturesisrequired

详细介绍

功能特点

Bimetallic switch P

Area of Application
The temperature detector P is used wherever protection against overtemperatures is required. Specific applications include: protection of primary windings in transformers, winding protection in small electric motors and general temperature protection of small electric equipment.
Mounting brackets or clips available.

Function
The temperature detector P operates independent from any current supply. Temperature detection is effected by means of a bimetal disc which was first dimensioned in accordance with the required cut-off temperature TA. When this fixed cut-off temperature TA is reached, this bimetal disc will snaps over, breaking a contact system and thereby interrupting the electric circuit of the device to be protected. After cooling down and reaching the cut-in temperature TE, the bimetal disc will automatically return into its original position, thus re-establishing the contact. The electric circuit is closed again.

规格尺寸

技术参数

Breaking capacity:	250 V; 2,5 (1,6) A / 50 Hz
Min. current:	20 mA
Switching temperature:	40°C – 150°C, (±5 or ±10), in 5 Kelvin steps
Max. breaking capicity:	2,5 A cos Φ 1,00 / 250 V, 150°C 4,0 A cos Φ 0,45 / 250 V, 135°C
Switching differential:	10 K ... 60 K depending on the cut-off temperature
Type of action:	2.B (max. drift ±5 K)
max. ambient temperature:	160°C / 200°C, 1 minute
Approvals:	VDE (EN 60730) UL 2111, conform to RoHS