RH series thermal overload relay are suitable for overload and phase-failure protection of AC motors with frequency of 50/60Hz, voltage up to 690v, current up to 0.19-48A under 8-hours duty or uninterrupted duty.

Applicable Standards National Standard: GB 14048 International Standard: IEC 60947-4-1 The relays can be mounted onto contactors or installed as single units.

RH thermal overload relay