JR28 Relé tepelného přetížení

VIOX’s JR28 thermal overload relay protects AC motors from overload and phase failure. Operating at 50/60Hz up to 690V, it covers 0.1-93A range. Features include manual/automatic reset, temperature compensation, and clear status display. Compliant with IEC 60947-4-1, it offers IP2X protection and -30°C to +55°C operation. Ideal for industrial machinery, HVAC, and manufacturing equipment, this CE-certified relay ensures comprehensive motor protection across various applications. Its versatile design accommodates different current ranges and contactor sizes, providing flexible protection solutions.

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JR28 Relé tepelného přetížení

Přehled

The VIOX JR28 series thermal overload relays are designed to protect AC motors from overload and phase failure. These relays offer comprehensive protection for motors operating at 50/60Hz frequency with voltages up to 690V and currents ranging from 0.1A to 93A.

Klíčové vlastnosti

Široký provozní rozsah: Suitable for 50/60Hz, up to 690V AC
Versatile Current Protection: 0.1-93A range
Multiple Protection Functions: Overload and phase failure protection
Flexible Reset Options: Manual and automatic reset available
Temperature Compensation: Ensures reliable protection across various conditions
Status Indication: Clear ON/OFF status display
Dodržování mezinárodních předpisů: Meets IEC 60947-4-1 standards

Technické specifikace

Charakteristiky hlavního obvodu
Jmenovité izolační napětí Ui	690V
Jmenovité impulzní výdržné napětí Uimp	6kV
Tripping class	10A
Current setting range	0.4…0.63A
Conductors cross-section	1×1,5…10 mm²flexible cable without cable end 1×1…4 mm²flexible cable with cable end 1×1…6 mm²rigid cable without cable end
Utahovací moment	1,85 N·m
Auxiliary contacts characteristics
Conventional thermal current	5A
Max power of the contactor coil	100VA at 24V AC 200VA at 48V AC 400VA at 110V AC 600VA at 220V AC 600VA at 380V AC 600VA at 600V AC
Ochrana proti zkratu	fuse gG 5A
Conductors cross-section	1×1…2,5 mm²/2×1…2,5 mm²flexible cable without cable end 1×1…2,5 mm²/2×1…2,5 mm²flexible cable with cable end 1×1…2,5 mm²/2×1…2,5 mm²rigid cable without cable end
Utahovací moment	1,2 N·m
Environmental characteristics
Stupeň ochrany	IP2X
Provozní teplota	-30°C…+55°C
Skladovací teplota	-60°C…+70°C

Test	Series No.	I/I_n		Operating time, T_p	Start condition
Ochrana proti přetížení	1	1,05		> 2h	Cold state
	2	1,2		< 2h	Heat state following the No.1 test
	3	1,5		< 4min	Heat state following the No.1 test
	4	7,2		2s<T_p≤10s	Cold state
Phase failure protection	5	any 2 phases	another phase	> 2h	Cold state
	5	1,0	0,9	> 2h	Cold state
	6	1,15	0	< 2h	Heat state following the No.5 test

Rozměr

Model

Položka	Kód	Rated current(A)	Contactor
JR28-13	1301	0.1-0.16	CJX2-09 CJX2-12 CJX2-18 CJX2-25
	1302	0.16-0.25
	1303	0.25-0.4
	1304	0.4-0.63
	1305	0.63-1
	1306	1-1.6
	1307	1.6-2.5
	1308	2.5-4
	1310	4-6
	1312	5.5-8
	1314	7-10
	1316	9-13
	1321	12-18
	1322	17-25
	1353	23-32
JR28-23	2353	23-32	CJX2-32
JR28-23	2355	28-36	CJX2-32
JR28-33	3353	23-32	CJX2-40 CJX2-50 CJX2-65 CJX2-80 CJX2-95
	3355	30-40
	3357	37-50
	3359	48-65
	3361	55-70
	3363	63-80
	3365	80-93

Certifikace

Aplikace

Ideal for motor protection in:

Průmyslové stroje
Systémy HVAC
Pumps and compressors
Dopravníkové systémy
Výrobní zařízení
Systémy řízení procesů
Zařízení pro manipulaci s materiálem

Výhody

Comprehensive motor protection against overload and phase failure
Flexible installation options for various control panel designs
Accurate protection with temperature compensation
Easy monitoring with clear status indication
Adaptable to different motor sizes with wide current range
V souladu s mezinárodními bezpečnostními normami
Suitable for continuous operation in industrial environments

Sortiment výrobků

The JR28 series includes multiple models to accommodate different current ranges and contactor sizes. Please refer to the detailed specification chart for specific model information and compatibility with various contactors.